HW1: Stratigraphy & Geologic Time.docx - Name Bryan...

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Name: Bryan Sana HW1: Stratigraphy & Geologic Time S2018 Read – 1. James Hutton used the term Uniformitarian to compare present-day rock cycle to ancient rock cycles; the geologic processes operating today were the same ones operating in the past. 2. William Smith discovered that fossils found in rock sequences always follow each other in a specific order, and that this order was exactly the same even when rocks were found as isolated layers at different locations. 3. Unlike Hutton, George Cuvier recognized extinctions in the biological life recorded in layered rock, which he interpreted as being caused by major global changes that he referred to as catastrophes . 4. Nicholas Steno, a Danish physician living in Italy in 1669, proposed that the Earth’s strata accumulated with three basic principles. List Steno’s three principles. superposition, original horizontality, and lateral continuity.
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  • Spring '18
  • calvin lee
  • Geology, Stratigraphy, James Hutton, Nicholas Steno, George Cuvier, sedimentary rock layers

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