5.Geology & Paleontology

5.Geology & Paleontology - Relative Dating –...

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Geology & Paleontology Nicolas Steno (1669) Dissertationis prodromus of 1669
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Stratigraphy
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The principle of original horizontality
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Baron Georges Léopold Chrétien Frédéric Dagobert Cuvier Early 19 th century Anatomist Correlation of parts Demonstrated extinction Advocated catastrophism Earlier Age of Reptiles Argued against evolution Break correlation of parts Insufficient timescale
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William Smith Principle of Faunal Succession (1790)
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The principle of faunal succession
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Charles Lyell Principles of Geology (1830) 1. Law of Superposition 2. Principle of Uniformitarianism 3. Index Fossil Concept
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Superposition
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Lyell’s Uniformitarian Geology
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Index Fossil & Bio-stratigraphy
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Unformatted text preview: Relative Dating – incestuous fossils ? Using one well documented fossil to date another Charles Darwin On the Origin of Species (1859) Speciation by Natural Selection “Descent with Modification” Evolutionary Fitness Not Progressive Darwin synthesized earlier views by incorporating: A biblical creator as an initiator and monogenesis. Lyell’s Uniformaterianism gave Smith’s faunal succession sufficient time. Linnaean homologies to deduce common ancestry. Cuvier’s anatomical metrics & extinction. Malthusian competition. Lamarkian environmental force....
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