| 单词 | interstratify |
| 例句 | The beds are horizontal, and according to Brown and Sawkins, three layers of greenstone, partly intrusive and partly contemporaneous, are interstratified with the sedimentary deposits. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z The Hythe beds are interstratified thin limestones and sandstones; the former are bluish-grey in colour, compact and hard, with a certain amount of quartz and glauconite. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 5 "Greek Law" to "Ground-Squirrel" 2011-12-05T03:00:51.527Z There are several series of parallel beds, interstratified with quartzite and schist, the most important being the “main reef” series. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z The first of these divisions represents the plutonic, intrusive or subsequent phase of eruptivity; the second marks the volcanic, interstratified or contemporaneous phase. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z Sometimes we went through deep cuttings in the red clay, close enough for me to notice it was interstratified with waterworn but angular quartz peebles. The Sea and the Jungle 2011-08-30T02:00:30.350Z Coalmeasures, a series of sandstones and shales with which are interstratified the seams of coal, varying in thickness from six inches to as much in one instance as thirty feet. Sea-Weeds, Shells and Fossils 2011-08-20T02:00:11.557Z More or less extensive sheets of this material, in many instances 319 interstratified with sedimentary beds, and especially with the strata laid down in Tertiary lakes, or separating lava-flows, occur widely throughout the Pacific mountains. North America 2011-05-05T02:00:20.027Z When they occur as beds interstratified with aqueous strata, they are said to be contemporaneous, because they have evidently been erupted at the time the series of strata among which they appear was being amassed. Geology 2011-02-20T03:00:12.660Z The interstratified or volcanic series is of special importance in geology, inasmuch as it contains the records of volcanic action during the past history of the globe. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z The country in this vicinity consists of a bluish limestone, interstratified with slate-clay: and naked and rugged ridges of trap rocks rise in various places above the general level. Narrative of a Second Expedition to the Shores of the Polar Sea By this means, we learn how occasional beds of drifted marine shells may become interstratified with freshwater strata at a river's mouth. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology In the Lough Mask district beds of this age are found, as in Wales, interstratified with volcanic lavas and tuffs. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" Many of the trachytic beds are brecciated and highly columnar; sedimentary beds are also interstratified with those of volcanic origin. Volcanoes: Past and Present Near the surface the pisolites are sometimes loosened by weathering, yielding a gravel ore, and some of the material has been transported a short distance to form detrital ores interstratified with sands and gravels. The Economic Aspect of Geology Near these cliffs the slate-clay and reddish limestone are interstratified, and form a bold rocky point, in which the strata dip to the N.E. at an angle of 20°. Narrative of a Second Expedition to the Shores of the Polar Sea The same effect is produced where numerous thin beds of members of the different classes are interstratified, the disintegrated portions being gradually intermixed, and valuable soils formed. Elements of Agricultural Chemistry It is a truly eruptive rock, occurring in intrusive bosses, or in beds interstratified with gneiss and mica-schist, and owes its various shades of green to the presence of copper. Roman Mosaics Or, Studies in Rome and Its Neighbourhood Ayrshire, and in the western parts of Devonshire, beds of felspathic porphyry, felstone and ash are interstratified with strata believed to be of Permian age. Volcanoes: Past and Present The beds of salt so formed are found interstratified with shales, sandstones, and limestones, and are frequently associated with gypsum. The Economic Aspect of Geology It is interstratified with thin beds of soft white marl; and in a few places with a marly sandstone. Narrative of a Second Expedition to the Shores of the Polar Sea The thickness of the entire series varies from 4000 to as much as 12,000 feet, according as it contains more or less of interstratified igneous rocks. The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science The soil here consists of ice and volcanic ashes interstratified; and at a little depth beneath the surface it must remain perpetually congealed, for Lieut. The Voyage of the Beagle The Tuscan alabaster occurs in nodular masses, embedded in limestone, interstratified with marls of Miocene and Pliocene age. The Project Gutenberg Encyclopedia Volume 1 of 28 Then came a thick envelope of sand, sometimes interstratified with mud; and, finally, muddy matter prevailed. Vestiges of the Natural History of Creation The geological features consist of a fine-grained sandstone interstratified with slate and coarse conglomerates. Journals of Australian Explorations The most famous depot for the fossil fishes of this period is the limestone of Monte Bolca, near Verona, which is interstratified with beds of volcanic ashes, the whole being referable to the Middle Eocene. The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science This process accounts for the very puzzling, though very common case in Snowdon and elsewhere, in which we find lavas interstratified with rocks which are plainly older than those lavas. Town Geology In the upper portion of these deposits volcanic tuffs or ashy materials are interstratified with ordinary muddy sediment, and here and there associated with thick beds of feldspathic lava. The Student's Elements of Geology When I descended the river in 1859, a German Major of Engineers, in the employ of the Government, told me that he had found calcareous layers, thickly studded with marine shells interstratified with the clay. The Naturalist on the River Amazons We meet occasionally with extremely compact beds of volcanic materials, interstratified with fossiliferous rocks. The Student's Elements of Geology The saline or gypseous interstratified beds may have been produced by submarine gaseous emanations, or hot mineral springs, which often continue to flow in the same spots for ages. The Student's Elements of Geology Layers of light brown and sometimes black lignite are interstratified with the clays and sands, and often irregularly diffused through them. The Student's Elements of Geology Hornblendic and micaceous schists are often interstratified, and beds of limestone, usually crystalline. The Student's Elements of Geology At Worcester, in the State of Massachusetts, 45 miles due west of Boston, a bed of plumbago and impure anthracite occurs, interstratified with mica-schist. The Student's Elements of Geology Beds of gneiss and quartzite, with interstratified limestones, in one of which, 1000 feet thick, occurs a foraminifer, Eozoon Canadense, the oldest known fossil. The Student's Elements of Geology |
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