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" Necessity dictates the adoption of some system so far as respects the classification and arrangement of names. The Wernerian seems to be the most suitable, first, because it is the most perfect and extensive in its general outlines; and secondly, the... "
Observations on the Geology of the United States of America: With Some ... - Página 28
por William Maclure - 1817 - 127 páginas
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The Journal of Geology, Volumen1;Volúmenes13-14

Thomas Chrowder Chamberlin - 1893
...(Observations on the Geology of the United States of America, Philadelphia, 1817). The author writes: "Necessity dictates the adoption of some system so...relative position of the different series of rocks." (Observations, etc., p. 28). The classification there set forth is as follows (in the order from below...
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Bulletin of the United States Geological Survey, Tema 81

1891
...6, 1800, pp. 411, 112. the nature and relative situation of the minerals in the United States, while they are certainly the most extensive of any field yet examined, may perhaps be found to bo the most correct elucidation of the general exactitude of that theory as respects the relative...
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The Texan Permian and Its Mesozoic Types of Fossils

Charles Abiathar White - 1891 - 51 páginas
...6, 1809, pp. 411, 412. the nature and relative situation of the minerals in the United States, while they are certainly the most extensive of any field yet examined, may perhaps be found to be the most correct elucidation of the general exactitude of that theory an respects the relative...
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The Journal of Geology, Volumen1;Volúmenes13-14

Thomas Chrowder Chamberlin - 1893
...(Observations on the Geology of the United States of America, Philadelphia, 1817). The author writes: "Necessity dictates the adoption of some system so...relative position of the different series of rocks." (Observations, etc., p. 28). The classification there set forth is as follows (in the order from below...
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Geological Biology: An Introduction to the Geological History of Organisms

Henry Shaler Williams - 1895 - 395 páginas
...edition, 1833. f "Observations on the Geology of the United States of America," Philadelphia, 1817. nature and relative situation of the minerals in the...relative position of the different series of rocks." * The classification there set forth is as follows (in the order from below upwards) : Class I. Primitive...
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Transactions, American Philosophical Society (vol. 1, 1818)

...agitation of the water, are to be found in high preservation on the south side of Lake Erie. SECTION II. Observations on the Geology of the United States of...the various substances, the following nomenclature wUl be used. CLASS I.— Primitive Rocks. SIENA BROWN. 1. Granite, 8. Porphyry, 2. Gneiss, 9. Sienite,...
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The Journal of Geology, Volumen1;Volúmenes13-14

Thomas Chrowder Chamberlin - 1893
...(Observations on the Geology of the United States of America, Philadelphia, 1817). The author writes: "Necessity dictates the adoption of some system so...relative position of the different series of rocks." (Observations, etc., p. 28). The classification there set forth is as follows (in the order from below...
Vista completa - Acerca de este libro




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