112-pp4 - 1 GY 112: Earth History Lecture 4: Clever...

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Unformatted text preview: 1 GY 112: Earth History Lecture 4: Clever Thinking 1: Geological Principles UNIVERSITY OF SOUTH ALABAMA Last time we covered 1. Formation and differentiation of the Earth (Hot and Cold Accretion) 2. Formation of the moon (4 hypotheses) Todays Agenda 1. The first geologists and their ideas Pliny, Ussher, Steno, Strachy, Hutton, Smith, Lyell, Darwin, Wegener etc. The 5 major geological principles necessary for stratigraphic correlation The 3 major types of unconformities (non-conformity, disconformity, angular unconformity) Lecture 4: Geological Thinking (Web Lecture 4) Geological Thinking First geologists date back to the days of early hominids ht p:/ arizonagourds.homestead.com/supplies.html ht p:/ ijanpromoters.blogspot.com/2009/02/human-apes.html Clever thinkers: AD 79 Pliny the Younger: first documented Geological report (eruption of Mt. Vesuvius in AD 79 2 Clever thinkers: 1658 Archbishop James Ussher: determined the age of the Earth using biblical criteria Clever thinkers: 1638-1687...
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112-pp4 - 1 GY 112: Earth History Lecture 4: Clever...

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