| 单词 | geological time |
| 例句 | They would try to tell themselves that in terms of geological time it was an insignificant event. The God of Small Things 1997-01-01T00:00:00Z Haircuts change, but America’s racial history runs on geological time. ‘The Real World’ Revisited: When Reality Had Bite 2021-03-05T05:00:00Z The cemetery rests, as well, on heights formed by the Ice Age terminal moraine, while the bedrock schist she imprinted dates even deeper in geological time. Her Art Reads the Land in Deep Time 2021-11-24T05:00:00Z Oliver predicted their “imminent” extinction, at least in geological time, since “only bdelloid rotifers survived tens of million of years living the sexless life.” A Year Without Oliver Sacks 2016-08-18T04:00:00Z In geological time, that is really incredibly recent. Humans – the real threat to life on Earth 2013-06-29T23:05:50Z Our lives held meaning for us, but in geological time, they were blips on radar, small and insignificant. Want to see Alaska’s wilderness up close? The UnCruise goes where the big cruise ships can’t. 2019-08-30T04:00:00Z “Even something as seemingly permanent as a cliff face in geological time is eroding away like a dirt bank.” Yosemite rockfall launches high-stakes race to re-map iconic Half Dome climb 2015-07-10T04:00:00Z Compared with the mayfly life spans of most dance troupes, the endurance of the Martha Graham Dance Company suggests a geological time scale. Review: Martha Graham Dance Celebrates 90 Years 2016-04-15T04:00:00Z The pillows add a certain anthropomorphic humor, as if the stones were incarnations of the legendary Seven Sages of the Bamboo Grove, whose minds expanded beyond human limits to embrace geological time. Art Review: A Fine Line: Style or Philosophy? 2011-06-23T22:45:46Z It’s a book about living creatures, about the old-timers, the survivors, the organisms and ecologies that, he writes, have survived many mass extinction events and are “messengers from deep geological time.” Books of The Times: ?Horseshoe Crabs and Velvet Worms,? by Richard Fortey 2012-04-12T19:42:43Z “Rivers exist in deep geological time,” he writes, “and yet they are forever restarting.” Coming of Age Amid the Troubles 2020-08-05T04:00:00Z Eons of geological time are visible in everything from the walls of a towering canyon to the dull, dusty stone at your feet that hides the lacy remains of some ancient sea creature. Along the Rio Grande, a Hot Spring and a Warm Welcome 2018-02-07T05:00:00Z So perhaps in that geological time, 30,000 foot view, the sufferings of any individual, or a small town of individuals, is so insignificant as to be almost non-existent. ‘Billions’ Season 2, Episode 10: Nonconformity 2017-04-23T04:00:00Z When writing about space exploration, he drew on the sometimes otherworldly feeling that being in the mountains gave him — the exhilaration, isolation and sense of his own insignificance in a geological time frame. A Sci-Fi Writer Returns to Earth: ‘The Real Story Is the One Facing Us’ 2022-05-11T04:00:00Z If Irving’s sculptures resemble archaeological specimens pulled from ash and pumice and situated in deep geological time, a closer look reveals that these works document the near-present. Kahlil Robert Irving Roves Across Millenniums at MoMA 2022-03-23T04:00:00Z Dean's drawings are, I think, about time: geological time, the flash of a life, a passing thought. Documenta 13: Mysteries in the mountain of mud 2012-06-11T17:53:51Z The poet Elizabeth Bishop used to say that when she was miserable, as she frequently was, she felt comforted by thinking about things in terms of geological time. Abstract and affecting, the new Mars pictures are a confrontation with the sublime | Sam Leith 2010-03-21T22:30:00Z We became educated — through the guides and the books they provided — in geological time. Older adventurers stay young at heart rafting the Grand Canyon’s rapids 2016-01-07T05:00:00Z Additionally, the analysis highlights the potentially substantial influence of phytoplankton subsistence nitrogen and phosphorus quotas on atmospheric CO2 levels on geological time scales. What phytoplankton physiology has to do with global climate 2023-10-13T04:00:00Z Or do they belong to the background population of spherules from “local” solar system meteors, which have accumulated on the seafloor over geological time? Have We Found Fragments of a Meteor from Another Star? 2023-07-05T04:00:00Z Recovery times for biodiversity after the end-Cretaceous extinction are shorter, in geological time, than for the end-Permian extinction, on the order of 10 million years. Fundamentals of Biology 2015-01-01T00:00:00Z The most recent extinction in geological time, about 65 million years ago, saw the disappearance of the dinosaurs and many other species. Concepts of Biology 2013-04-25T00:00:00Z A panel of scientists took a step toward declaring a new interval of geological time: the Anthropocene, or age of humans. E.P.A. Tightens Rules on Pollution From Vans, Buses and Trucks 2022-12-20T05:00:00Z “We just speed up natural processes and make it happen not on geological time scales, but on human time scales.” Ocean geoengineering scheme aces its first field test 2022-12-15T05:00:00Z But, as Dr. Solomon noted, “on geological time scales, 38 years is pretty short.” With Mauna Loa’s Eruption, a Rare Glimpse Into the Earth 2022-12-03T05:00:00Z What is rapid in geological time seems slow on human time scales. Opinion | The world’s ice is melting. Humanity must prepare for the consequences. 2022-09-18T04:00:00Z Biogeography is the study of biological species as they relate to geographical space and geological time. Biology for AP Courses 2022-06-09T00:00:00Z This is a very short interval in geological time—less than 3% of the age of Earth. Astronomy 2016-10-13T00:00:00Z This process creates a topographic landscape inferring geological time. L.A. artists take on drought crisis in new show. One solution? Embrace impermanence 2022-08-19T04:00:00Z Relative dating places rock layers with their fossils in order of geological time. Miller & Levine Biology 2018-01-01T00:00:00Z Over geological time, a stream will erode its drainage basin into a smooth profile similar to that shown in Figure 13.9. Physical Geology 2015-01-01T00:00:00Z Recovery times for biodiversity after the end- Cretaceous extinction are shorter, in geological time, than for the end-Permian extinction, on the order of 10 million years. Biology for AP Courses 2022-06-09T00:00:00Z Although he wasn’t exactly correct—there is a beginning and will be an end to planet Earth—Hutton was expressing the difficulty humans have in perceiving the vastness of geological time. An Introduction to Geology 2017-01-01T00:00:00Z “If you think in terms of time, geological time, there’s a lot of fluctuation over millions and millions of years, and I think we have that.” The strong winds of climate change have failed to move the opinions of many Americans 2021-11-12T05:00:00Z Human time and geological time were brought into sync by the volcano. AP PHOTOS: A slow motion burial awaits in volcano no-go zone 2021-11-04T04:00:00Z If salts are always going into the ocean, and never coming out, one might assume that the oceans have been continuously getting saltier over geological time. Physical Geology 2015-01-01T00:00:00Z “The natural forest fire — caused by lightning strikes, fireballs, sparks and volcanic activity — was a regular phenomenon throughout geological time,” including in a continent that is known for its iciness today. Fossilized charcoal shows once-temperate Antarctica was often hit by wildfires 2021-10-29T04:00:00Z "We know quite well what happened to them through a variety of mass extinctions, so their experience can be really helpful as we try to understand the major changes in biodiversity across geological time." 'Squiggly wiggly' fossils rise from a Jurassic sea 2021-07-21T04:00:00Z In geological time, young means thousands of years. NASA looks at Louisiana delta system, eyes global forecasts 2021-06-28T04:00:00Z These students were also better than controls at estimating numbers in the billions, an ability that is vital to understanding geological time, astronomical distances or the bewildering sums in the federal budget. Who’s Afraid of Big Numbers? 2021-06-17T04:00:00Z If one thing has been constant about Earth’s climate over geological time, it is its constant change. Physical Geology 2015-01-01T00:00:00Z By the late Pleistocene — practically yesterday in geological time — nearly all of the fossils are of species that still exist. The enduring mystery of Critchfield’s spruce 2021-02-14T05:00:00Z Although there’s much to be teased out, it’s clear that, when viewed over relatively short geological time spans, there’s nothing constant about plate tectonics, says Karin Sigloch, a geophysicist at the University of Oxford. Slowdown in plate tectonics may have led to Earth’s ice sheets 2020-12-22T05:00:00Z Our lifespans barely a blink of geological time. Country diary: watching a still from a gargantuan motion picture 2020-11-05T05:00:00Z On the scale of geological time, the Golden State’s 20th century treescape was anomalous. Op-Ed: The Golden State treescape wasn't made to last 2020-11-01T04:00:00Z Natural climate forcing has been going on throughout geological time. Physical Geology 2015-01-01T00:00:00Z The team picked Nightingale for its abundant pebbles and because the site appears young, probably because an impact exposed it in recent geological time, leaving it largely unaltered by bombarding cosmic rays. A NASA mission is about to capture carbon-rich dust from a former water world 2020-10-08T04:00:00Z “But this study pushes it back by another order of magnitude in terms of geological time,” Orsi notes. Scientists pull living microbes from 100 million years beneath the sea 2020-07-28T04:00:00Z Five years is practically geological time in the video-game industry, but then again, Death Stranding is a game that does not adhere to accepted time conventions. Hideo Kojima’s Strange, Unforgettable Video-Game Worlds 2020-03-03T05:00:00Z Geologic ages are part of the geological time scale, a dating system that matches layers of rock to time. Scientists just named a new geological age: the Chibanian 2020-02-14T05:00:00Z Paleontologists have placed most of the divisions of the geological time scale at points in the fossil record where there are major changes in the type of organisms observed. Physical Geology 2015-01-01T00:00:00Z It shows that in geological time and space, we have not transcended our materiality at all. What Climate Change Tells Us about Being Human 2019-12-19T05:00:00Z These fjords are partially submerged valleys, which were themselves excavated over vast stretches of geological time by the glaciers’ movement. Greenland’s ice losses have septupled and are now in line with its highest sea-level scenario, scientists say 2019-12-10T05:00:00Z Although planetary temperatures do vary on geological time scales, this recent warming is not a natural fluctuation but rather is very likely due entirely to human activity. Americans broadly accept climate science, but many are fuzzy on the details 2019-12-08T05:00:00Z In terms of geological time, Iceland is young. Review: A photographer's portraits of Iceland, in all of its epic, impossible beauty 2019-12-04T05:00:00Z You may be wondering why it’s so important to really “understand” geological time. Physical Geology 2015-01-01T00:00:00Z Placing the development of lichenization in geological time provides a better understanding of how plants and lichens influenced our world’s evolving climate. In the Race to Live on Land, Lichens Didn’t Beat Plants 2019-11-19T05:00:00Z Trips below the surface inspire reflections on “deep” geological time and raise urgent questions about the human impact on planet Earth. The 100 best books of the 21st century 2019-09-21T04:00:00Z The animal appears in rocks that belong to a slice of geological time known as the Ediacaran. Early animal had 'complex behaviour' 2019-09-04T04:00:00Z Last year, the International Commission on Stratigraphy, which sets new geological time units, designated this stalagmite as a marker for the Meghalayan age, which began 4,250 years ago. India’s geologists champion law to protect fossil treasures 2019-08-04T04:00:00Z Over geological time, streams change the landscape that they flow within, and eventually they become graded, meaning their profile is a smooth curve. Physical Geology 2015-01-01T00:00:00Z The second movement, ‘Air’, traces the evolution of the atmosphere through geological time, as carbon-based life takes on increasing importance in the cycle. An ode to carbon 2019-06-11T04:00:00Z But when combined, the data sets seem to coalesce into three broad peaks over geological time. Role of major erosion events in Earth’s dynamics 2019-06-04T04:00:00Z Past shifts in geological time have often been accompanied by mass extinctions, as species struggle to adapt to new environments. The Anthropocene epoch: have we entered a new phase of planetary history? 2019-05-30T04:00:00Z The panel plans to submit a formal proposal for the epoch by 2021 to the International Commission on Stratigraphy, which oversees the official geological time chart. Anthropocene vote, pollution cover-up and quark pioneer dies 2019-05-28T04:00:00Z Natural climate forcings, which have operated throughout geological time, include solar evolution and cycles, continental drift, continental collisions and mountain building, volcanism, orbital variations, and ocean current cycles. Physical Geology 2015-01-01T00:00:00Z The panel plans to submit a formal proposal for the new epoch by 2021 to the International Commission on Stratigraphy, which oversees the official geological time chart. Anthropocene now: influential panel votes to recognize Earth’s new epoch 2019-05-20T04:00:00Z For this book is also about man’s almost incidental place in the world when seen from the perspective of geological time. Underland by Robert Macfarlane review – a dazzling journey into deep time 2019-05-08T04:00:00Z Zalasiewicz’s favourite joke, that geologists “work in geological time”, was starting to wear thin. The Anthropocene epoch: have we entered a new phase of planetary history? 2019-05-30T04:00:00Z In geological time, his career—like any human life—is an eyeblink. A Geological "Orrery" Could Reveal Planetary Dynamics in Deep Time 2019-04-09T04:00:00Z Unfortunately, knowing how to express geological time doesn’t really help us understand or appreciate its extent. Physical Geology 2015-01-01T00:00:00Z If geological time could be roughly calibrated everywhere, and if even a smattering of places had left behind calendars, recorded history could be tied to sedimentary chronology and true dates derived from the ground. Is Ancient DNA Research Revealing New Truths — or Falling Into Old Traps? 2019-01-17T05:00:00Z "Our sampling of the fossil record is extremely patchy throughout geological time and space," he cautions. Middle East fossils push back origin of key plant groups millions of years 2018-12-20T05:00:00Z The beads were real, but they were abundant across many geological times, and soot and charcoal did not seem to spike at the time of the Younger Dryas. Massive crater under Greenland’s ice points to climate-altering impact in the time of humans 2018-11-14T05:00:00Z It describes Lleiniog as an important site for studies of the quaternary period, the most recent period in geological time when the Ice Age occurred. Ice Age evidence bulldozed from beach 2018-11-04T04:00:00Z That makes it difficult to appreciate the extent of geological time. Physical Geology 2015-01-01T00:00:00Z “With geological time, stone is malleable, perishable and alive. And like stone, memorials are dynamic as they change over time.” For artist Richard Turner, there’s a hidden story in every stone 2018-09-19T04:00:00Z It’s easy to think in a geological time scale in the traditional Assiniboine wintering grounds, where the floodplains meet the highland valleys where tyrannosauruses once roamed, now submerged beneath the reservoir. The fight to save clean water on the Fort Peck Indian Reservation 2018-08-30T04:00:00Z The ‘release’ provided by speculative zoology is that sufficient geological time effectively always allows life to recover. Speculative Zoology, a Discussion 2018-07-21T04:00:00Z This near death and eventual resurrection wasn’t a one-off, according to a new study that reveals the reef’s shifting boundaries over geological time. The Great Barrier Reef has had five near-death experiences in the past 30,000 years 2018-05-28T04:00:00Z And because almost every period of the Phanerozoic is represented along that section through Wales and England, it is a primitive geological time scale. Physical Geology 2015-01-01T00:00:00Z The Earth's climate is constantly under natural change due to many factors, but natural changes happen over geological time - giving life adequate time to evolve gradually to slow changes. Daniel Ellsberg Thinks We’re in Denial About Nuclear War 2018-02-08T05:00:00Z But since it is geological time, not human history that we’re after, we keep walking down city streets in a world now populated by woolly mammoths and giant ground sloths. Opinion | Rambling Through Time 2018-01-27T05:00:00Z “While that sounds like a long time ago - and it is from the human perspective - in geological time that was yesterday,” Stickney said. Montana geologist finds new Bitterroot fault line 2017-09-23T04:00:00Z “While that sounds like a long time ago – and it is from the human perspective — in geological time that was yesterday,” Stickney said. Montana geologist finds new Bitterroot fault line 2017-09-22T04:00:00Z Most of the boundaries between the periods and epochs of the geological time scale have been fixed on the basis of significant changes in the fossil record. Physical Geology 2015-01-01T00:00:00Z Maybe over geological time that would be true. What Swims Like a Duck and Quacks Like a Duck Could Be a Hybrid of Two Duck Species 2017-09-11T04:00:00Z Losos takes some poetic license in suggesting that we now know evolution may operate “at light speed,” but from a perspective of eons of geological time, he’s not far wrong. Does evolution bring the same results no matter what? 2017-08-25T04:00:00Z Older sediments have been exposed to so much water over geological time that most of their arsenic has already washed out to sea. Arsenic in drinking water threatens up to 60 million in Pakistan 2017-08-23T04:00:00Z Coincidence doesn’t prove causality, as they say, but when the same two things happen together over and over again through the vast span of geological time, there must be a causal link. Underground magma triggered Earth’s worst mass extinction with greenhouse gases | Howard Lee 2017-08-01T04:00:00Z Index fossils represent shorter geological times, and if a rock has several different fossils with known age ranges, we can normally narrow the time during which the rock formed. Physical Geology 2015-01-01T00:00:00Z In 2014, the Anthropocene was inducted into the Oxford English Dictionary, and last year, the epoch was formally endorsed by a working group within the International Commission on Stratigraphy, the official keeper of geological time. 'A reckoning for our species': the philosopher prophet of the Anthropocene 2017-06-15T04:00:00Z The hummocky hills, the depressions of water everywhere and the rocks are remains of the county’s fairly recent, in geological time anyway, glacial history. Ashley Jewish cemetery gets rededication 2017-05-13T04:00:00Z In geological time, these floods lasted a mere blink of the eye, Jaramillo says, “but it’s still a long time for a tree.” Was the Amazon once an ocean? 2017-05-03T04:00:00Z Precise boundaries are the basis for defining geological time, a prerequisite for the correlation of abiotic and biotic events and the understanding of the rates and timing of biological and geological processes on our planet. Anthropocene: keep communication clear : Nature : Nature Research 2017-01-24T05:00:00Z To be able to solve important geological problems and critical societal challenges, like climate change, we need to really understand geological time. Physical Geology 2015-01-01T00:00:00Z She likes the awareness the desert gives her of distance, emptiness, and geological time. The Fantastic Ursula K. Le Guin 2016-10-10T04:00:00Z Ocean floors rarely linger on Earth's surface—at least in geological time. Mediterranean Sea may harbor piece of oldest ocean crust 2016-08-15T04:00:00Z Whether the seas will swell to staggering new heights in a time span ruinous to civilization or over the forgiving horizon of geological time is the most pressing problem in glaciology and climate modeling today. Lessons From Underwater Miami 2016-04-23T04:00:00Z Formalization is a complex question because, unlike with prior subdivisions of geological time, the potential utility of a formal Anthropocene reaches well beyond the geological community. The Anthropocene is functionally and stratigraphically distinct from the Holocene | Science 2016-01-07T05:00:00Z But just because we can measure geological time doesn’t mean that we understand it. Physical Geology 2015-01-01T00:00:00Z We spend so little time thinking beyond our own flimsy, tiny blink of an eye existences, we are nothing against geological time. 2015 Was Hottest Year in Historical Record, Scientists Say 2016-01-20T05:00:00Z In high school biology class, rather than create an illustrated geological time table, which was the assignment, I illustrated a timeline of the biblical seven-day creation story. I Didn't Understand the Need for Pop Culture—Until I Read the Bible 2015-08-28T04:00:00Z All across the region, seismologists are looking at their watches, wondering how long we have, and what we will do, before geological time catches up to our own. ♦ The Earthquake That Will Devastate Seattle 2015-07-20T04:00:00Z “Everything on earth is biodegradable on a geological time scale,” Mr. Wilson said. California Takes Step to Ban Microbeads Used in Soaps and Creams 2015-05-22T04:00:00Z Some people, who don’t understand geological time, are quick to say that the climate has changed in the past, and that what is happening now is no different. Physical Geology 2015-01-01T00:00:00Z In anything else than near geological time spans that is. The Fight For $15 Protests Aren't Really About The Minimum Wage At All 2015-04-15T04:00:00Z But for a group of geologists, the 16 July test at Alamogordo, New Mexico, marks the start of a new unit of geological time, the Anthropocene epoch. First atomic blast proposed as start of Anthropocene 2015-01-15T05:00:00Z “These salts are persistent, they get diluted but they will sit there for geological time,” said Shilling. Can Winter De-Icers Go Completely Green? 2014-12-26T05:00:00Z Other earthquakes are surprising only to those not used to thinking on a geological time scale. Earthquakes also strike in states other than California 2014-11-26T05:00:00Z One way to wrap your mind around geological time is to put it into the perspective of single year, because we all know how long it is from one birthday to the next. Physical Geology 2015-01-01T00:00:00Z As a palaeontologist I think about the appearance and extinction of species — that shows how we do geological time. The invisible extinction 2014-10-20T04:00:00Z Nagel doubts whether there could have been enough viable mutations ‘in the available geological time’ for beings like us to evolve through sheer ‘accident’. Science Denial: Missing A Sense Of Scale 2014-05-31T04:00:00Z The result of the earth's remarkable oxygenation over geological time is nothing less than our planet's rich biosphere of complex, multicellular life. Book Review: Oxygen 2013-12-27T13:45:02.073Z “He’s proven that he’s able to think over a geological time scale.” Bezos Brings Promise of Innovation to Washington Post 2013-08-07T01:16:32Z The geological time scale is now maintained by the International Commission on Stratigraphy. Physical Geology 2015-01-01T00:00:00Z “It’s a confirmation that the molecular-clock studies are decent estimates for what’s going on in geological time,” says Michael Steiper, an anthropologist at Hunter College of the City University of New York. Fossils Indicate Common Ancestor for Old World Monkeys and Apes 2013-05-16T16:45:00.373Z As they cascade downwards, they form discrete layers that can be preserved over geological time as laminations in the rock. Curiosity to return to some classic rocks 2013-05-08T22:42:41Z On the scale of geological time they occur quite frequently. Supervolcanoes in the Ancient World 2013-04-17T21:45:05.617Z Looking somewhat like fat crocodiles, these creatures were widespread throughout the globe for a good chunk of geological time. We have the global warming answer 2013-01-20T17:00:00Z Access a copy of the geological time scale at http://www.stratigraphy.org/index.php/ics-chart-timescale. Physical Geology 2015-01-01T00:00:00Z Humanity's impact on the globe is so great and varied that we have launched a new geological time period in the Earth's history. Leaving our mark: Fossils of the future 2012-11-03T00:34:29Z "It's a clearer picture we get of warm analogues through geological time," he said. Palm trees 'grew on Antarctica' 2012-08-01T20:04:49Z In addition, these small molecules are often expressed in specific tissues and help to regulate the development of certain organs, so they could explain the origin of morphological innovations over geological time. Phylogeny: Rewriting evolution 2012-06-27T17:50:32.213Z The animals, still in embrace, were then buried in the lakebed sediments and locked away in geological time. Turtles fossilised in sex embrace 2012-06-20T01:20:24Z Earth’s magnetic field is generated within the outer core by the convective movement of liquid iron, but as we discovered in Chapter 8, the magnetic field is not stable over geological time. Physical Geology 2015-01-01T00:00:00Z "The fact that the process of magma body formation occurs in historical time, instead of geological time, completely changes the nature of the problem." Supervolcanoes 'quicker to blow' 2012-05-30T22:00:21Z Fertilizer is produced from rock phosphate, which forms on geological time scales. We must set planetary boundaries wisely 2012-05-23T17:20:06.747Z Humans had survived across geological time because they could chase animals until the prey dropped from exhaustion. Caballo Blanco?s Last Run: The Micah True Story 2012-05-21T14:57:31Z It takes geological time to develop a new species. Ancient giant snake 'could return' 2012-04-03T15:14:52Z This is followed by a review of Earth’s internal structure and the processes of plate tectonics, and an explanation of geological time. Physical Geology 2015-01-01T00:00:00Z A year is too small a unit of measurement in geological time; a thousand years or, better, a million years, would more nearly answer the requirements. Joseph Smith as Scientist A Contribution to Mormon Philosophy 2012-03-12T03:00:27.817Z Better yet, more of it was in the crystalline calcite form, which is more stable—and likely to sequester CO over geological time—than amorphous CaCO. Genetically Engineered Bacteria Could Help Fight Climate Change 2012-02-26T17:00:00Z He, too, had read his Lyell, and the contemplation of geological time suggested to him exactly the same reflections which FitzGerald draws out. Tennyson and His Friends 2011-12-28T03:00:32.373Z The most recent epoch of geological time, the Pleistocene, is known to have been divided into a series of alternating glacial and interglacial ages. Speciation of the Wandering Shrew 2011-12-22T03:00:30.143Z A version of the geological time scale is included as Figure 1.9. Physical Geology 2015-01-01T00:00:00Z During the long periods of geological time many and vast changes have taken place in the contour of the earth's surface. The Romance of Industry and Invention 2011-12-19T03:00:43.870Z Possibly this is because the habitat, or even the ecological niche, occupied in geological time by these mice was restricted, geographically and in kind. Speciation and Evolution of the Pygmy Mice, Genus Baiomys 2011-12-15T03:00:11.933Z Both phenomena resulted from natural variations in mean temperatures due to slight changes in the sun’s output and Earth’s orbit over geological time scales. Two-Degree Global Warming Limit Is Called a `Prescription for Disaster' 2011-12-07T13:15:04.653Z Various facts, which can only shortly be mentioned here, go to show that the British Isles have not existed as such, and separated from the Continent, for any great length of geological time. Cornwall 2011-12-05T03:00:38.530Z A useful mechanism for understanding geological time is to scale it all down into one year. Physical Geology 2015-01-01T00:00:00Z The species of the Graptoloidea have individually a remarkably short range in geological time; but the geographical distribution of the group as a whole, and that of many of its species, is almost world-wide. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" 2011-11-13T03:00:13.177Z If the Reelfoot fault had been popping off giant earthquakes repeatedly, for a long geological time, it would have built up a noticeable scarp, like the impressive topography of a mountain range. Is Money Wasted Preparing for a Major Midwest Quake? 2011-11-10T11:15:00.450Z Hence, Futterer infers, in recent geological times no large sea has occupied the central part of the Gobi. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z Boss estimates that 800,000 years ago the cluster was only half as far from the sun as at present, but probably that was as near as it has been during recent geological times. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z Moreover, they appear to have possessed these qualifications from early geological times. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z The ancient Egyptian religion had a lifetime so long that it almost requires to be meted by the vague measures of geological time. Myth, Ritual And Religion, Vol. 2 (of 2) 2011-07-22T02:00:19.110Z Looking at the boxes I felt trapped in lost geological time. Errol Morris: Did My Brother Invent E-Mail With Tom Van Vleck? (Part Three) 2011-06-22T01:00:10Z In any case it is probable that the Foraminifera have experienced alternations of expansion and shrinkage,42 of elevation and decadence, in the lapse of geological time. The Chain of Life in Geological Time A Sketch of the Origin and Succession of Animals and Plants 2011-06-01T02:00:24.880Z The first quarter of geological time as well as the last three must be considered in this connection. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z We speak of the Cretaceous, Jurassic, and Cambrian periods, and of the Cretaceous fauna, the Jurassic flora, the Cambrian trilobites, as if these adjectives denoted simply epochs of geological time. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z Abundant remains of extinct species of the horse family have been found, ranging far back in geological time, but native horses are not known to have existed since the coming of Europeans. North America 2011-05-05T02:00:20.027Z F. Stuhlmann, on the contrary, places the migrations practically in geological times. Man, Past and Present 2011-03-28T02:00:29.283Z Thus we obtain the means of dividing the rocks of the earth into groups of different ages, known as “Formations,” and marking particular periods of geological time. The Chain of Life in Geological Time A Sketch of the Origin and Succession of Animals and Plants 2011-06-01T02:00:24.880Z In case the hypothesis stands firm, it may be possible to use the stars as a help in determining the exact chronology of the later part of geological times. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z This is true to-day, and has, as far as known, been true in all past geological time. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z The order of Crinoids has diminished so much in modern geological times that we must consult its fossil forms in order to understand fully the peculiar adaptation of the Echinoderm plan in this group. Seaside Studies in Natural History Marine Animals of Massachusetts Bay. Radiates. 2011-03-07T03:00:13.343Z If we assume that man existed on the earth in remote geological time, the question arises, was this pleistocene man specifically one? Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 8 "Ethiopia" to "Evangelical Association" 2011-03-05T03:00:24.537Z But the land has been in process of renewal as well as of waste in geological time; and a better measure will be afforded by the amount of beds actually deposited. The Chain of Life in Geological Time A Sketch of the Origin and Succession of Animals and Plants 2011-06-01T02:00:24.880Z The testimony of ancient glaciation as to the slight difference in the climate and therefore in the atmosphere of early and late geological times is almost as clear as that of life. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z Lord Kelvin has never dealt with the geological and palaeontological objections against the limitation of geological time to a few millions of years. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z Some discussion has arisen in respect to the geological time of these bones. A Manual of the Antiquity of Man 2011-02-21T03:00:07.080Z The history of life on the earth during the epochs of geological time unfolds no more wonderful discovery among types of animals which have become extinct than the family of fossils known as flying reptiles. Dragons of the Air An Account of Extinct Flying Reptiles 2011-02-20T03:00:13.067Z The genus Discina, which is nearly as old, also continues throughout geological time. The Chain of Life in Geological Time A Sketch of the Origin and Succession of Animals and Plants 2011-06-01T02:00:24.880Z Hence our supposed general increase in the volume of the air during part of geological times would tend to reduce the amount of solar energy reaching the earth's surface. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z Modern instances are known where, under certain circumstances, submerged trees may last for some centuries, but even the most durable must decay in what, after all, is a brief space of geological time. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z With the establishment of the deep geological time by the first geologists and naturalists it became clear that not only the distribution of sea and land changed over time, but so did climate. Climate research in the geologic past 2011-02-17T16:45:00.337Z They attained their largest dimensions in this period of geological time. Dragons of the Air An Account of Extinct Flying Reptiles 2011-02-20T03:00:13.067Z But in the old world of past geological time the case was altogether different. The Chain of Life in Geological Time A Sketch of the Origin and Succession of Animals and Plants 2011-06-01T02:00:24.880Z We have inquired into the nature of the changes through which the earth's crust, the oceans, and the atmosphere have influenced the climate of geological times. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z We now come to the consideration of the palaeontological evidence as to the value of geological time. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z Lyell also considered geological time as a cycle, idea adopted from astronomy and the celestial movements of the planets. Climate research in the geologic past 2011-02-17T16:45:00.337Z The dimensions of the animals have probably varied in all periods of geological time. Dragons of the Air An Account of Extinct Flying Reptiles 2011-02-20T03:00:13.067Z One of the first questions meeting us is that which relates to the point in geological time signalised by the advent of our species. The Chain of Life in Geological Time A Sketch of the Origin and Succession of Animals and Plants 2011-06-01T02:00:24.880Z It is given here because ultimately the question of changes in solar activity during geological times must be faced. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z In more recently reviewing his argument, Lord Kelvin expressed himself in favour of more strictly limiting geological time than he had at first been disposed to do. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z Just 15 short days ago — a blink of an eye in the geological time frame of a three-term mayoralty — public school students across the city were demanding the ouster of Mayor Michael R. Bloomberg. City Room: With a Simple Snow Day, a Mayor's Image Is Reborn 2011-01-27T23:01:38Z Such are the more remarkable characters of the bones in a type of animal life which was more anomalous than any other which peopled the earth in the Secondary Epoch of geological time. Dragons of the Air An Account of Extinct Flying Reptiles 2011-02-20T03:00:13.067Z It is this: animals have continued long in geological time in the inverse ratio of their rank. The Chain of Life in Geological Time A Sketch of the Origin and Succession of Animals and Plants 2011-06-01T02:00:24.880Z Putting together the evidence on both sides in this disputed question, it appears that throughout most of geological time there is some evidence of a zonal arrangement of climate. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z It is manifest, however, that, whatever may have been the original composition of the oceans, they have for a vast section of geological time been constantly receiving mineral matter in solution from the land. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z It was clear only geological time would begin to knit this wound. Burnley 1-0 Bolton 2010-09-21T20:58:00Z The circumstance that Mammals, Birds, and Reptiles are all known low down in the Secondary epoch of geological time, is favourable to the idea of their history being parallel rather than successive. Dragons of the Air An Account of Extinct Flying Reptiles 2011-02-20T03:00:13.067Z On the same principle it is not to be expected that man, the highest of all animals, should extend far back in geological time. The Chain of Life in Geological Time A Sketch of the Origin and Succession of Animals and Plants 2011-06-01T02:00:24.880Z With this assumption, then, let us inquire into the degree to which the sun's atmosphere has probably been disturbed throughout geological times. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z Of course, the impacts of human climate change will persist over deep geological time, just as for example, the Paleocene-Eocene Thermal Maximum warming did. Scientists React to a Nobelist's Climate Thoughts 2010-09-17T22:30:00Z Are you able to determine how old the species are in geological time? Questions on Congo River Fishes 2010-09-10T21:13:00Z It is a silicate of calcium, magnesium, iron, and aluminium, and alters in geological time by slow recrystallization into hornblende, possibly with some loss of calcium. The New Gresham Encyclopedia. Vol. 1 Part 3 Atrebates to Bedlis This resemblance with difference in successive faunæ also connects itself very directly with the successive elevations and depressions of our continental plateaus in geological time. The Chain of Life in Geological Time A Sketch of the Origin and Succession of Animals and Plants 2011-06-01T02:00:24.880Z This, however, is not an objection, for Shapley points out that during geological times the sun can never have varied as much as do the novæ, or even as most of the friction variables. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z Aragonite passes into calcite in the course of geological time, but is important as the mineral precipitated to form the oolitic limestones of warm seas, and from being the material of most molluscan shells. The New Gresham Encyclopedia. Vol. 1 Part 2 Amiel to Atrauli On the whole the climate throughout geological time would seem to have been warmer than at the present day. The Geological Story of the Isle of Wight The facts of geographical distribution teach us that in these regions there has been a centre of origin within comparatively recent geological times. The History of the European Fauna I have already referred to the permanence of certain species in geological time. The Chain of Life in Geological Time A Sketch of the Origin and Succession of Animals and Plants 2011-06-01T02:00:24.880Z Yet within a hundred million years, according to many estimates of geological time, and almost certainly within a billion, there have been at least half a dozen glaciations. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z In tracing back animals and groups of animals in geological time, we find that they always end without any link of connection with previous beings, and in circumstances which render any such connections improbable. The Origin of the World According to Revelation and Science For though recent in comparison with the ages of geological time, they are of a vast antiquity compared with the historical periods of human history. The Geological Story of the Isle of Wight No land-connection at all need be supposed to have existed in recent geological times, that is to say, during the Glacial period or after, if Mr. Warming's and Colonel Feilden's views be adopted. The History of the European Fauna Mastodons and elephants used to live here no great geological time ago, as shown by their bones, often discovered by miners in washing gold-gravel. My First Summer in the Sierra According to the solar cyclonic hypothesis such conditions ought to have prevailed throughout most of geological time. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z Neither must we forget that the oldest land has been subjected throughout geological time to wearing and degrading agencies, and that from its waste the later formations have been mainly derived. The Origin of the World According to Revelation and Science No doubt a prejudice has been excited against it in the minds of many geologists, by its being thought to lead necessarily to frequently recurring glacial epochs throughout all geological time. Island Life Or the Phenomena and Causes of Insular Faunas and Floras It is generally admitted now that such a union between these two seas, viz., the Baltic and the White Sea, occurred in recent geological times, but opinions differ as to the duration of this connection. The History of the European Fauna The further question suggests itself, whether the volcanic phenomena of the middle Tertiary period bear any comparison with those of past geological times. Volcanoes: Past and Present Moreover, the progressive increase in the height of the lands has presumably played a part in fostering local and zonal diversity in contrast with the relative uniformity of earlier geological times. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z Another is that it proves too much, namely, a regular succession of cold and warm periods throughout geological time, of which we have no good evidence, and which is on many grounds improbable. The Origin of the World According to Revelation and Science But in the opinion of all our first naturalists and geologists, the period occupied in the formation of the known stratified rocks only represents a portion, and perhaps a small portion, of geological time. Island Life Or the Phenomena and Causes of Insular Faunas and Floras Not a single species of land or freshwater mollusc can be quoted as having migrated to Europe from Siberia in recent geological times. The History of the European Fauna The regularity of these movements and the amount of material evidence found furnish a great opportunity for measuring geological time movements and hence the life of plants and animals, including man. History of Human Society Hence in this chapter we shall assume that throughout geological times the condition of the sun has been almost as at present. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z He endeavors to judge from the rocks as he now finds them, where the seas, the bays, the dry land, and the mountains of earlier geological times lay. The Meaning of Evolution It possesses vast beds of coal of Tertiary age; and these, no less than the great extent of alluvial deposits in its valleys, indicate great changes of level in recent geological times. Island Life Or the Phenomena and Causes of Insular Faunas and Floras The latter has, moreover, undergone great physical changes in recent geological times. The History of the European Fauna Would they command Darwin from the grave and bid him blot out his geological time, give us back a paltry few thousand years? The World I Live In In recent geological times, that is, during the Pliocene and Pleistocene, much of the present continental shelf, the zone less than 600 feet below sea level, was land. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z When we remember that both mammals and birds are the modern descendants of cold and scaly reptiles of an earlier geological time, it becomes interesting to compare their clothing. The Meaning of Evolution From the earliest geological times the great area of deposit has been, as it still is, the marginal belt of sea-floor skirting the land. Island Life Or the Phenomena and Causes of Insular Faunas and Floras All entered from Asia Minor, which is proved to have been connected with Greece until recent geological times. The History of the European Fauna Grounds are not wanting for the belief that in the very early days of geological time the volcanic energy on the earth was much greater than at present. The Story of the Heavens The extreme limits of temperature beyond which the climate of geological times cannot have departed can be approximately determined. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z Concerning the antiquity of the Pleistocene age, which was characterized by such extraordinary vicissitudes of heat and cold, there has been, as in all questions relating to geological time, much conflict of opinion. The Discovery of America Vol. 1 (of 2) with some account of Ancient America and the Spanish Conquest The next question discussed is that of geological time as bearing on the development of the organic world. Island Life Or the Phenomena and Causes of Insular Faunas and Floras Whales are warm-blooded creatures which suckle their young, and have been developed in past geological times from land animals—the primitive carnivora—which were also the ancestors of dogs, bears, seals and cats. More Science From an Easy Chair Far back in geological times the tapir-like Moeritherium, which wandered through Eocene swamps, had within itself the prophecy of two diverse lines. Edge of the Jungle According to Chamberlin's view, the ordinary oceanic circulation of the greater part of geological time was the reverse of the present circulation. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z But we might reasonably expect to find a general concurrence of geological testimony to the larger fact—namely, of there having been throughout all geological time a uniform progression as regards the larger taxonomic divisions. Darwin, and After Darwin (Vol. 1 and 3, of 3) An Exposition of the Darwinian Theory and a Discussion of Post-Darwinian Questions Species of one genus, or genera of one family occurring in the same geological time are more closely allied than those separated in time. Contributions to the Theory of Natural Selection A Series of Essays In the discussion which followed the reading of the paper, Professor Ramsay "agreed with the author in the belief in the junction of Africa with India and Australia in geological times." The Story of Atlantis and the Lost Lemuria How and when such prehistoric immigrants came, whether by the approaching shores of Behring Straits, whether in that geological time when land connection between North America and Asia was intact, is buried in oblivion. Mexico Its Ancient and Modern Civilisation, History, Political Conditions, Topography, Natural Resources, Industries and General Development Another hypothesis, which has some adherents, especially among geologists, holds that the position of the earth's axis has shifted repeatedly during geological times, thus causing glaciation in regions which are not now polar. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z The whole process and its result is roughly represented in the accompanying diagram, in which A B represents the course of geological time, and the curve, the rise, culmination, and decline of successive dominate classes. Darwin, and After Darwin (Vol. 1 and 3, of 3) An Exposition of the Darwinian Theory and a Discussion of Post-Darwinian Questions If this be even an approximation to the truth, then there seem to be strong reasons for believing that geological time is not sufficient for such a process. On the Genesis of Species It is near the mainland of Greece, opposite the mouths of the Nile and in easy communication with Asia Minor, with which it was actually connected in late geological times. The Journal of Negro History, Volume 2, 1917 This rock formation extends right across Mexico—although isolated in places—from sea to sea, and its existence possibly goes to show that the Pacific and the Gulf were one, in earlier geological times. Mexico Its Ancient and Modern Civilisation, History, Political Conditions, Topography, Natural Resources, Industries and General Development There we shall inquire into the periodicity of the climatic phenomena of geological times, and shall ask whether there is any reason to suppose that the sun's activity has exhibited similar periodicity. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z Topographically, stream flood plains—the expanses of flat bottomland that have been deposited over long periods of geological time by the streams they border—are similar to what legal terminology calls "attractive nuisances." The Nation's River A report on the Potomac from the U.S. Department of the Interior But anthropology has shown that human beings existed far back in geological time, and in a savage state but little better than that of the brute.... The Necessity of Atheism "It may be described in a word as the best summary of scientific conclusions concerning the question of man's antiquity as affected by his known relations to geological time." The Mind of the Child, Part II The Development of the Intellect, International Education Series Edited By William T. Harris, Volume IX. The topographical formation is similar to that of Yucatan, great calcareous, undulating plains of recent geological times. Mexico Its Ancient and Modern Civilisation, History, Political Conditions, Topography, Natural Resources, Industries and General Development But our knowledge of early geological times is extremely limited, so limited that lack of evidence of glaciation in the Archeozoic may have no significance. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z In geological time, natural barriers have sprung up which separated the species which have since developed. Evolution An Investigation and a Critique From 1890 to 1897 we had been steadily delving into the history of the Age of Mammals, in deposits dating from two hundred thousand to three million years back, as we rudely estimate geological time. Dinosaurs With Special Reference to the American Museum Collections It is an interesting fact that almost all the known dead seas have in recent geological times been living lakes—that is, they poured over their brims. Outlines of the Earth's History A Popular Study in Physiography Pre-historians have to reckon in geological time—that is to say, not in years, but in ages of indefinite extent corresponding to marked changes in the condition of the earth's surface. Anthropology On the other hand, the contraction of the earth has produced remarkable effects throughout the whole of geological time. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z They are, in a general way, believers in some kind of evolution; but they prefer not to specify exactly the laws which have been operative in past "geological time." Evolution An Investigation and a Critique What, then, is the ordinary idea of 'geological time' in the minds of people like my good friend who refused to discuss with me the exact antiquity of the Atlantosaurian? Falling in Love With Other Essays on More Exact Branches of Science Now we are assured that all this sediment was transported by the rivers to the sea during geological time. The Birth-Time of the World and Other Scientific Essays By the geological time mentioned, therefore, the earliest true horses had already lost some of the toes that their progenitors possessed. The Doctrine of Evolution Its Basis and Its Scope Since the dawn of geological time the earth's temperature has apparently always included the range from about the freezing point of water up to about the point where protoplasm begins to disintegrate. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z If you throw light on the want of geological time, may honour, eternal glory and blessings crowd thick on your head.—Yours most sincerely, CH. Alfred Russel Wallace: Letters and Reminiscences, Vol. 1 The Glacial Epoch is the yesterday of geological time, and it was the Glacial Epoch that finally killed off the last mammoth. Falling in Love With Other Essays on More Exact Branches of Science I have already touched upon the chemistry of the ocean, and on the remarkable fact that the sodium contained in it has been preserved, practically, in its entirety from the beginning of geological time. The Birth-Time of the World and Other Scientific Essays It may therefore be considered as a general fact that the phases of development of all living animals correspond to the order of succession of their extinct representatives in past geological times. The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 Again, although the earth's atmosphere has probably changed far less during geological times than was formerly supposed, its composition has doubtless varied. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z Rate of deposit and geological time: there no doubt I may have gone to an extreme, but my "twenty-eight million years" may be anything under 100 millions, as I state. Alfred Russel Wallace: Letters and Reminiscences, Vol. 1 The subject of my discourse naturally divides itself, like the conventional sermon, into two heads—the precise date of 'geological times,' and the exact bigness of the animals that lived in them. Falling in Love With Other Essays on More Exact Branches of Science The great solubility of its salts has protected it from abstraction, and it has gone on collecting during geological time, practically in its entirety. The Birth-Time of the World and Other Scientific Essays Ice-borne rocks are also found abundantly scattered over the ocean bottom within a definite distance of the arctic and antarctic circles, clearly marking out the limit of floating icebergs in recent geological times. Darwinism (1889) In the first place, there are various groups, some of them highly organised, which make their appearance at an extremely ancient date, but which continue throughout geological time almost unchanged, and certainly unprogressive. The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science I have shown that there is a correspondence between the succession of Fishes in geological times and the different stages of their growth in the egg,—this is all. The Atlantic Monthly, Volume 09, No. 51, January, 1862 It must be remembered that ants, in point of antiquity, date back, under one form or another, no doubt to a very remote period of geological time. Falling in Love With Other Essays on More Exact Branches of Science If geological time since the Devonian is 400 millions of years, then 1,200 millions of alpha rays are concerned in its genesis. The Birth-Time of the World and Other Scientific Essays Either we do not know the distribution of the group in recent geological times, or we are still ignorant of the special methods by which the organisms are able to cross the sea. Darwinism (1889) Nor need we shrink back affrighted at the vastness of the conception—the vaster for its very vagueness—that we are thus compelled to form as to the duration of geological time. The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science In geological times it had been the channel of the Jordan; now it is called the Wadi el-Araba. Early Israel and the Surrounding Nations The progress of life is then described as the basis of subdivision into Geological Ages; and the subdivisions of geological time are presented as follows:— I. Azoic Time or Age. The Atlantic Monthly, Volume 11, No. 66, April, 1863 If, now, geological time since the Devonian is 50 millions of years, then 150 millions of rays built up the halo. The Birth-Time of the World and Other Scientific Essays We, therefore, conclude that the thousand-fathom line marks out, approximately, the "continental area,"—that is, the limits within which continental development and change throughout known geological time have gone on. Darwinism (1889) Inconceivable as is to us the lapse of "geological time," it is no more than "a mere moment of the past, a mere infinitesimal portion of eternity." The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science Now any great slowing-down of the Earth's rotation period within geological times would be expected to show in the surface features. Popular Science Monthly Oct, Nov, Dec, 1915 — Volume 86 "I will add," I continued, "that a similar barrier exists between Gibraltar and Ceuta, which in geological times formed the entire Mediterranean." Twenty Thousand Leagues under the Sea From these vast quantities we know that the parent rock denuded during geological time amounted to some 300 million cubic kilometres or about seventy million cubic miles. The Birth-Time of the World and Other Scientific Essays The species have been continually changing throughout geological time, and at each period have probably been as numerous as they are now. Darwinism (1889) Man only came into being yesterday so far as geological times goes. The Poison Belt I told you that the earth's crust had been worked over to a depth of many miles since geological time first commenced. Scientific American Supplement, No. 384, May 12, 1883 There is a striking contrast between the presence and realism of these once living things still preserving the outer forms of life and the vast and inconceivable distances of "geological time." The Naturalist on the Thames The slow accomplishment of results so vast conveys some idea of the great duration of geological time. The Birth-Time of the World and Other Scientific Essays The changed conditions to which we refer are such as we know have occurred throughout all geological time and in every part of the world. Darwinism (1889) In past geological times the lake, then very much larger, had an outlet not far from the town of Puyusca. Inca Land Explorations in the Highlands of Peru How long it has taken to prepare this natural garden for man is one of those questions of geological time which have been well called of late ‘appalling.’ At Last Coal involves a different theory of time, because coal, unlike a tree, is produced on the scale of geological time. Public Opinion The Alps, the Jura, the Pyrenees, the Andes, have been remade more than once in the course of geological time, the _débris_ of a worn-out range being again uplifted in succeeding ages. The Birth-Time of the World and Other Scientific Essays There is, therefore, no motive power to destroy or seriously to modify them; and they have thus probably persisted, under slightly varying forms, through all geological time. Darwinism (1889) The whole lapse of geological time has as yet yielded not a single new ordinal type of vegetable structure.* Lectures and Essays He believed the deeper sea would show forms of life akin to animals of earlier geological times, throwing new light on the relation between the fossil and the living world. Louis Agassiz: His Life and Correspondence It is as impossible for us to grasp geological time as sidereal space. Time and Change So must an Eternal Being regard the scintillation of the stars and the periodic vibration of life in our geological time and the most enduring efforts of thought. The Birth-Time of the World and Other Scientific Essays A series of ancestors, similar to these European fossils, but still more equine, and extending in unbroken order much farther back in geological time, was discovered in America. Life and Letters of Thomas Henry Huxley — Volume 2 In recent geological times the Great Basin was filled with water, forming the great Lake Bonneville which drained into the Columbia River. Dry-Farming : a System of Agriculture for Countries under a Low Rainfall Sitting down before some interesting strata, I lost myself in something like nirvana, grew so subject to the idea of vastness in geological time that all human desires and purposes shrivelled to ridiculous unimportance. Born in Exile Trails and burrows of worms have been left on the sea beaches and mud flats of all geological times from the Algonkian to the present. The Elements of Geology However this may be, the greater part of mechanical denudation during geological time has been done on the mountain ranges. The Birth-Time of the World and Other Scientific Essays The two first chapters of the "Geological Observations on South America," deal with the proofs which exist of great, but frequently interrupted, movements of elevation during very recent geological times. Geological Observations on South America In recent geological times, the Great Basin was filled with water, forming a vast fresh-water lake known as Lake Bonneville, which drained into the Columbia River. Dry-Farming : a System of Agriculture for Countries under a Low Rainfall These plains are the newest part of America, for many of them have emerged from the sea only in recent geological times. The Red Man's Continent: a chronicle of aboriginal America Most great mountain ranges, like the Sierra Nevada and the Alps, mark lines of weakness along which the earth's crust has yielded again and again during the long ages of geological time. The Elements of Geology From what has been reviewed above it is evident that the sodium in the ocean is an index of the total activity of denudation integrated over geological time. The Birth-Time of the World and Other Scientific Essays The whole lapse of geological time has as yet yielded not a single new ordinal type of vegetable structure. Geological Contemporaneity and Persistent Types of Life The rapid development as far as we can judge of all the higher plants within recent geological times is an abominable mystery. More Letters of Charles Darwin — Volume 2 From the earliest geological times the vast interior of Asia has been the great mother of the world, the source from which the most important families of living things have come. The Red Man's Continent: a chronicle of aboriginal America During all geological time since life began on earth old species have constantly become extinct and with them the genera and families to which they belong, and other species, genera, and families have replaced them. The Elements of Geology The element sodium has, in fact, accumulated in the ocean during the whole of geological time. The Birth-Time of the World and Other Scientific Essays It delighted me to see so inverted an order of proceeding—viz., the assuming the descent of species as certain, and then taking the changes of closely allied forms as the standard of geological time. More Letters of Charles Darwin — Volume 1 By this it means that the two regions have a very large number of forms peculiar to themselves, and which are supposed not to have been derived from other quarters during modern geological times. The Naturalist on the River Amazons Each individual labouring in his day through geological time in front must produce an effect. The Story of My Heart An Autobiography Pre-Cambrian time probably was longer than all later geological time down to the present, as we may infer from the vast thicknesses of its rocks and the unconformities which part them. The Elements of Geology We have here an effect due to the sea salts derived by denudation from the land which has been slowly augmenting during geological time. The Birth-Time of the World and Other Scientific Essays Much to his surprise Sir Charles told him that certain forms, like Terebratula, appeared to be identical from the beginning to the end of geological time. The Education of Henry Adams But the geographical and climatical changes which have certainly occurred within recent geological times, must have rendered discontinuous the formerly continuous range of many species. The Origin of Species by means of Natural Selection, 6th Edition This renders me less sanguine of united effort through geological time ahead, unless some idea can be formed to give a stronger impulse even than selfishness, or unless the selfishness can be utilised. The Story of My Heart An Autobiography To quote Darwin's vigorous words: "The rapid development, as far as we can judge, of all the higher plants within recent geological times is an abominable mystery." Darwin and Modern Science Movements of the land during geological time have resulted in some portion being uplifted along with other sediments. The Birth-Time of the World and Other Scientific Essays And the observations of the geologist prove that similar upward and downward movements of portions of the earth's crust have been going on through all geological times. The San Francisco calamity by earthquake and fire But the geographical and climatal changes, which have certainly occurred within recent geological times, must have interrupted or rendered discontinuous the formerly continuous range of many species. On the Origin of Species By Means of Natural Selection, or, the Preservation of Favoured Races in the Struggle for Life From these considerations alone I am convinced that, by the aid of ideas yet to be discovered, the geological time in front may be immeasurably shortened. The Story of My Heart An Autobiography That in later geological times the south has been the grave of the weakened offspring of the aggressive north can hardly be doubted. Darwin and Modern Science The results of these actions, integrated over geological time, are enormous. The Birth-Time of the World and Other Scientific Essays The aspect of Nature perpetually varies under our eyes, still more grandly and strikingly has it altered in geological times. History of the Conflict Between Religion and Science Europe, as a continent, has had more "ups and downs" than America in the course of geological time. The Story of Evolution But anthropology has shown that human beings existed far back in geological time, and in a savage state but little better than that of the brute. History of the Conflict Between Religion and Science Yet in geological times myriads of evolutions and extinctions have occurred. History of the Conflict Between Religion and Science We have now considered the source of the detrital sediments, as well as of the dissolved matter which has given to the ocean, in the course of geological time, its present gigantic load of salts. The Birth-Time of the World and Other Scientific Essays Though the general postulate of the immensity of geological times may be conceded, such calculations are on too uncertain a theoretical basis to furnish incontestable results. History of the Conflict Between Religion and Science On the scale of geological time it may be called a revolution. The Story of Evolution When we turn to the question of chronology we have the same acute difference of opinion as we have found in regard to all questions of geological time. The Story of Evolution Apart from these special periods of cold, however, we have seen that there has been, in recent geological times, a progressive cooling of the earth, which we have not explained. The Story of Evolution |
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