The Abyss of Time, Changing Conceptions of the Earth's Antiquity After the Sixteenth CenturyFreeman, Cooper, 1980 - 251페이지 |
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119 페이지
... units on the basis of composition , presence or absence of stratification , and presence or absence of fossils . These major units form a chronologic sequence , as established by their order of superposition . Since mountains can be no ...
... units on the basis of composition , presence or absence of stratification , and presence or absence of fossils . These major units form a chronologic sequence , as established by their order of superposition . Since mountains can be no ...
123 페이지
... units of magnitudes intermediate between formations and the vast sequences of formations encompassed in the Transitional and Floetz units . These new units , or systems , were distinguished mainly on the basis of the kinds of rocks that ...
... units of magnitudes intermediate between formations and the vast sequences of formations encompassed in the Transitional and Floetz units . These new units , or systems , were distinguished mainly on the basis of the kinds of rocks that ...
124 페이지
... units below the base of the Carboniferous System of Conybeare and Phillips . More- over he could demonstrate that each of these units contained distinc- tive fossils . In 1835 he named these collective strata the Silurian Sys- tem ...
... units below the base of the Carboniferous System of Conybeare and Phillips . More- over he could demonstrate that each of these units contained distinc- tive fossils . In 1835 he named these collective strata the Silurian Sys- tem ...
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Adam Sedgwick Agassiz animals appeared Arthur Holmes began beginning bodies bottom Buffon Burnet calculations Cambrian Carboniferous Carozzi catastrophists causes Cenozoic century changes CHAPTER continents cooling Cuvier Darwin deposits earth earth's crust energy erosion essay estimates evidence father figures fishes Floetz Flood formation fossiliferous fossils Geological Society geologists glaciation glaciers heat Holmes Hooke Hooke's Hutton idea Jura Mountains Kelvin kinds land later layers lectures living Lyell Maillet marine mathematics million minerals molten Murchison natural history neptunist ocean Ordovician organisms original Paleozoic particles period petrifactions physical plants Playfair present primitive mountains principle published radioactive radiometric radiometric dating rocks Royal Society Sacred Theory Scrope sea level Sedgwick sediment sedimentary shells Siccar Point Silurian Smith solid species Steno strata stratigraphic stratum studies substances succession superposition surface Telliamed temperature thickness Thomson tion tonguestones Triassic uniformitarians University volcanic Werner William