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Libros Libros 1 - 8 de 8 sobre York system, or the lower division o!' the Silurian system of Mr. Murchison. The...
" York system, or the lower division o!' the Silurian system of Mr. Murchison. The fossils found in the Black slate, it should be mentioned, were Trilobites — Atoj»t trilineatun, a form allied to Triiirthru* beckii and EllipFlo. "
Second Contribution to the Studies on the Cambrian Faunas of North America - Página 68
por Charles Doolittle Walcott - 1886 - 369 páginas
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The Canadian Naturalist and Geologist, Volumen6

1861
...series in question. As to the geological age of this series, Dr. Emmons maintains that his Taconie system occupies a position inferior to the Champlain division of the New York system, and is consequently beneath the Lower Silurian system of Murchison. As we have before shown however,...
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Report of Progress ..., Parte1

1878
...to the Lower Cambrian of Prof. Sedgwick," (Geology, Second District, page 163,) and he now asserted that " the Taconic system occupies a position inferior...division of the Silurian system of Mr. Murchison." (Agriculture of New YorK, page 55.) § 91. In this last quoted volume, giving the results of his more...
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Report of Progress, Parte1

Geological Survey of Pennsylvania, Pennsylvania. Board of Commissioners for the Second Geological Survey - 1878
...to the Lower Cambrian of Prof. Sedgwick," (Geology, Second District, page 163,) and he now asserted that " the Taconic system occupies a position inferior...division of the Silurian system of Mr. Murchison." (Agriculture of New Yor£, page 55.) § 91. In this last quoted volume, giving the results of his more...
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The American Journal of Science

1888
...became more positive in regard to the relation of the Taconic to the Lower Silurian rocks. He says : " I shall take the broad and distinct ground that the...division of the Silurian system of Mr. Murchison." || " 1. Position. — It rests unconformably upon primary schists, and passes beneath the New York...
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Contributions to the History of American Geology

George Perkins Merrill - 1906 - 545 páginas
...2. Stockbridge limestone. 1. Granular quartz. The system as here outlined, Emuions argued, occupied a position inferior to the Champlain division of the...division oF the Silurian system of Mr. Murchison. The fossils found in the Black slate, it should be mentioned. ^Z?**^ were Trilobites— Atoj>$ trilineatun,...
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Report upon the condition and progress of the U.S. National Museum during ...

United States National Museum - 1906
...2. Stockbridge limestone. 1. Granular quartz. The system as here outlined, Emmons argued, occupied a position inferior to the Champlain division of the New York system, or the lower division o!' the Silurian system of Mr. Murchison. The fossils found in the Black slate, it should be mentioned,...
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Contributions to the history of American geology

George Perkins Merrill - 1906 - 545 páginas
...2. Stockbridge limestone. 1. Granular quartz. The system as here outlined, Emmons argued, occupied a position inferior to the Champlain division of the New York system, or the lower division o* the Silurian system of Mr. Murchison. The fossils found in the Black slate, it should be mentioned,...
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Report Upon the Condition and Progress of the U.S. National Museum During ...

United States National Museum - 1906
...2. Stockbrulge limestone. 1. Granular quartz. The system as here outlined, Kmmons argued, occupied a position inferior to the Champlain division of the New York system, or the lower division o!' the Silurian system of Mr. Murchison. The fossils found in the Black slate, it should be mentioned,...
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