| 单词 | Lower Carboniferous |
| 例句 | When they re-emerge, in what is called the Lower Carboniferous period, they do, indeed, live up to their potential. New fossils illuminate the route that led ultimately to human beings 2016-12-08T05:00:00Z The interesting geological feature of these islands is the development of Lower Carboniferous volcanic rocks. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" 2012-01-31T03:00:17.257Z Lower Carboniferous, New Brunswick. a, Outline. b, c, d, Sculpture of scales magnified. The Chain of Life in Geological Time A Sketch of the Origin and Succession of Animals and Plants 2011-06-01T02:00:24.880Z Lower Carboniferous sandstone and limestone occur on the north of Lower Lough Erne. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 3 "Fenton, Edward" to "Finistere" 2011-03-14T03:01:00.580Z The Coal-Measures and Millstone Grit are usually grouped together in the Upper Carboniferous, the Carboniferous Limestone series constituting the Lower Carboniferous. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" Compared with the rugged and picturesque scenery of the Lower Carboniferous rocks, that of the Coal Measures is, as a rule, featureless and monotonous. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 4 "England" to "English Finance" Taken as a whole, the Crustacean fauna of the Devonian period presents many alliances with that of the Upper Silurian, but has only slight relationships with that of the Lower Carboniferous. The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science All these strata, from the rim down, are said to be in the Upper and Lower Carboniferous Systems. The Grand Canyon of Arizona; how to see it Sphenophyllum was evidently much specialised; the only other known genus is based on an isolated cone, Cheirostrobus, of Lower Carboniferous age, with an extraordinarily complex structure. Darwin and Modern Science Farther south in the Donetz basin the coals only appear at the close of the Lower Carboniferous. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" Oil and gas are of importance in the Lower Carboniferous Pocono sandstone of West Virginia and in the Berea grit of Ohio, where brine also occurs. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" In the Lower Carboniferous rocks of Scotland intercalated volcanic rocks are strikingly abundant, and now form an important feature in the geology of the southern portion of that country. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" |
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