| 单词 | unstratified |
| 例句 | Bowlder clay, the unstratified clay deposit of the Glacial or Drift epoch, often containing large numbers of bowlders. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z In structure, the drift which is strictly glacial, is unstratified. The Geography of the Region about Devils Lake and the Dalles of the Wisconsin 2011-11-29T03:00:17.347Z From this arrangement they have been termed “stratified,” in contrast to the unstratified or igneous series. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z All the unstratified rocks have certainly been fused, and probably all the stratified rocks originated from the unstratified, and have been modified by water and heat. The Religion of Geology and Its Connected Sciences 2011-02-28T03:00:28.890Z Further observation showed that stratified tumuli occupy a certain fixed position with regard to other works, which the unstratified tumuli do not. The Progress of Ethnology An Account of Recent Archaeological, Philological and Geographical Researches in Various Parts of the Globe 2011-02-12T03:00:34.983Z I have stated in a previous article that the relative position of the stratified and unstratified rocks gives us the key to their comparative age. The Atlantic Monthly, Volume 11, No. 68, June, 1863 2011-02-11T03:00:30.570Z The drift as a whole is therefore partly stratified and partly unstratified. The Geography of the Region about Devils Lake and the Dalles of the Wisconsin 2011-11-29T03:00:17.347Z They present in addition other structures which have been superinduced upon them, and which they share with the unstratified or igneous rocks. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z For the unstratified rocks have certainly once been melted, and most of the stratified series were derived from the unstratified. The Religion of Geology and Its Connected Sciences 2011-02-28T03:00:28.890Z A rock usually containing much magnesian earth, for the most part unstratified, but sometimes appearing to be an altered or metamorphic stratified rock. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology They lie confusedly bedded in a red unstratified marl, and some of them can be traced to the Welsh hills from twenty to fifty miles distant. Island Life Or the Phenomena and Causes of Insular Faunas and Floras These deposits may have been made on the rock which underlies the drift, or they may have been made on stratified or unstratified drift already deposited. The Geography of the Region about Devils Lake and the Dalles of the Wisconsin 2011-11-29T03:00:17.347Z Boulder-clay is a coarse unstratified deposit of fine clay, with more or less sand, and boulders of various sizes, the latter usually marked with glacial striations. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 4 "Cincinnatus" to "Cleruchy" The unstratified class are all colored red, to indicate their igneous origin. The Religion of Geology and Its Connected Sciences 2011-02-28T03:00:28.890Z A rock of a uniform texture, belonging to the unstratified and volcanic classes, which has an unctuous appearance like indurated pitch. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology It signifies, therefore, very little whether we distinguish the groups by calling one stratified and 143 the other unstratified, or one "coherent" and the other "crystalline," or one "lateral" and the other "central." Modern Painters, Volume IV (of V) Neither products of the volcanoes, whether extinct or in action, nor the stratified or unstratified rocks, have exhibited a sample of that combination of metallic and earthy substances which the meteoric stones present. Harper's New Monthly Magazine, Volume 1, No. 4, September, 1850 It is unstratified; but by the action of water on it, stratified deposits have been formed, some of clay, containing remains of arctic animals, some, and very extensive ones, of sand and gravel. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 2 "Demijohn" to "Destructor" It is unstratified, and so resistant that it is everywhere worn into smooth, rounded surfaces, instead of being splintered and shattered. More Science From an Easy Chair The boulders of Erreré do not rest on the stratified sandstone of the Serra, but are sunk in the unstratified mass of the clay. The Atlantic Monthly, Volume 18, No. 106, August, 1866 A sheet of drift, consisting of the same homogeneous, unstratified paste, and containing loose materials of all sorts and sizes, covers the country. The Atlantic Monthly, Volume 18, No. 105, July 1866 They were imbedded in the middle of an unstratified cliff, four hundred feet high, of very compact silt or trachytic clay, free from stones, and resting on a hard quartzoze sandstone. The Andes and the Amazon Across the Continent of South America These rocks are found lying one above another in regular order; beneath them are the unstratified rocks, which seem to form the basis or foundations upon which the others have been deposited. A Catechism of Familiar Things; Their History, and the Events Which Led to Their Discovery. With a Short Explanation of Some of the Principal Natural Phenomena. For the Use of Schools and Families. Enlarged and Revised Edition. A simpler term, however, quite as distinctive, and more descriptive of their structure, is that of the stratified and massive or unstratified rocks. Young Folks' Library, Volume XI (of 20) Wonders of Earth, Sea and Sky The case is otherwise with granite, syenite, quartzose porphyry, serpentine, and the whole series of unstratified compact rocks, to which, from a predilection for a mythological nomenclature, the term Plutonic has been applied. COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 The rock is compact unstratified limestone, in which so many of the famous caverns of the world are found. Ice-Caves of France and Switzerland Finally, over the undulating surface of the denuded sandstone an ochraceous, unstratified sandy clay was deposited. The Andes and the Amazon Across the Continent of South America Sometimes, however, it is a soft clay, at others it is mixed with sand, but whatever the composition of the underclays may be, they always agree in being unstratified. The Story of a Piece of Coal What It Is, Whence It Comes, and Whither It Goes They are rarely, if ever, seen in unstratified rocks; but many layers of stratified rocks abound in these remains. Young Folks' Library, Volume XI (of 20) Wonders of Earth, Sea and Sky Beside the stratified and unstratified rocks, there is still a third set, produced by the contact of these two, and called, in consequence of the changes thus brought about, the Metamorphic rocks. The Atlantic Monthly, Volume 11, No. 65, March, 1863 Similar unstratified deposits were formed by the agency of ice. The Gutenberg Webster's Unabridged Dictionary Section D and E But all underclays agree in two points: they are all unstratified. Scientific American Supplement, No. 447, July 26, 1884 In every climate, unstratified granite separates by decomposition into blocks of prismatic, cylindric, or columnar figures. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2 The overlying unstratified boulder clays 3 and 4 were thrown down in deeper water by the aid of floating ice coming from the north. The Antiquity of Man A simpler term, however, quite as distinctive, and more descriptive of their structure, is that of the stratified and unstratified or massive rocks. The Atlantic Monthly, Volume 11, No. 65, March, 1863 Most of them were of the Depilto quartz rock and gneiss, and I saw many in the unstratified gravel near Ocotal fully eight miles from their parent rock. The Naturalist in Nicaragua The unstratified Drift is unfossiliferous, and where the stratified Drift contains fossils they are the remains of land animals, except in a few low-lying districts near the sea. Ragnarok : the Age of Fire and Gravel This familiar rock may be studied as an example of the second great group of rocks,—the unstratified, or igneous rocks. The Elements of Geology A second unstratified mass of yellow and more sandy clay 40 feet thick, with pebbles and angular polished and striated blocks of granite and other Scandinavian rocks, transported from a distance. The Antiquity of Man Superposition, therefore, is not of the same value as a test of age in the unstratified volcanic rocks as in fossiliferous formations. The Student's Elements of Geology There were the same rounded and smoothed rock surfaces, the same moraine-like accumulations of unstratified sand and gravel, the same transported boulders that could be traced to their parent rocks several miles distant. The Naturalist in Nicaragua Says one authority: "The origin of the unstratified drift is a question which has been much controverted." Ragnarok : the Age of Fire and Gravel The unstratified portion of the drift consists chiefly of sheets of dense, stony clay called till, which clearly are the ground moraines of ancient continental glaciers. The Elements of Geology Blue clay or till, with erratic blocks unstratified. The Antiquity of Man Upland gravel of various kinds and periods, consisting in some places of unstratified boulder clay or glacial drift. The Student's Elements of Geology On the banks of the river, from about a mile below Depilto, unstratified beds of gravel are exposed in numerous natural sections. The Naturalist in Nicaragua In the first place, it is mainly unstratified; its lower formation is altogether so. Ragnarok : the Age of Fire and Gravel Land ice is the only agent known which can spread unstratified material in such extensive sheets. The Elements of Geology White siliceous sand with layers of chalky marl, and included fragments of Chalk, for the most part unstratified, 9 feet. The Antiquity of Man This idea was adopted in the infancy of the science, when all formations, whether stratified or unstratified, earthy or crystalline, with or without fossils, were alike regarded as of aqueous origin. The Student's Elements of Geology Near Ocotal this unstratified formation is nearly level, excepting where worn into deep gulches by the existing streams. The Naturalist in Nicaragua No trace is left of their destructive powers, save the huge, unstratified, unfossiliferous deposits of clay and stones and bowlders, locked away between great layers of the sedimentary rocks. Ragnarok : the Age of Fire and Gravel It is laying down its load without assortment in unstratified deposits. The Elements of Geology Brown clay with angular flints, and occasionally Chalk rubble, unstratified, following the slope of the hill, probably of subaerial origin, of very varying thickness, from 2 to 5 feet and upwards. The Antiquity of Man These rocks are for the most part unstratified, and are devoid of fossils. The Student's Elements of Geology It is unstratified, and is composed of compact tuff, in parts having the resin-like fracture. Volcanic Islands The brunt of the controversy settled about the unstratified rocks—granites and their allies—which the Plutonists claimed as of igneous origin. A History of Science — Volume 3 Over much of the northern states there is spread an unstratified stony clay called the drift. The Elements of Geology Calcareous loam, buff-coloured, resembling loess, for the most part unstratified, in some places with slight traces of stratification, containing freshwater and land shells, with bones of elephants, etc.; thickness about 15 feet. The Antiquity of Man The deposit c in that section consists of sand, mud, gravel, and stones, for the most part unstratified, resembling the till or boulder clay of Europe. The Antiquity of Man In places the unstratified drift is heaped in hills of various kinds, which we will now describe. The Elements of Geology A section of it, such as that illustrated in Figure 87, shows that for the most part it is unstratified, consisting of clay, sand, pebbles, and even large bowlders, all mingled pell- mell together. The Elements of Geology The drift includes two distinct classes of deposits,—the unstratified drift laid down by glacier ice, and the stratified drift spread by glacier waters. The Elements of Geology |
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