Geo101.17.Stratigraphy

Geo101.17.Stratigraphy - Stratigraphy The Rock Cycle In...

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1 Stratigraphy The Rock Cycle In 1669, a Danish scientist, Nicolas Steno , argued that fossils were not a result of the supernatural, but were relics of ancient life. Steno published his Fndings in “Forerunner to a dissertation on a solid naturally occurring within a solid” Steno’s law’s Principle of original horizontality… Law of superposition… Nicolas Steno , and the foundations of stratigraphy, circa 1670. Principle of original horizontality… Law of superposition… In 1785, a Scottish doctor, James Hutton , published a book entitle “The theory of the Earth with proofs and illustrations”. Hutton is considered the father of modern geology.
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2 Hutton argued that physical processes we observe today also operated in the past and that these processes were responsible for the formation of geologic features we see in the rocks… James Hutton’s (1788), “..we Fnd no vestige of a beginning, no prospect of an end.” This would become known as uniformitarianism , coined in 1832 by William Whewell , who also coined the term catastrophism for the preceding idea that the Earth had been created through supernatural means and had then been shaped by a series of catastrophic events caused by forces which no longer prevailed. In 1815, William “Strata” Smith publishes his “Delineation of the strata of England and Wales and part of Scotland”, …the Frst geological map. Smith , in studying fossils from a various geologic layers, concluded that each strata contained a unique assemblage of fossils that could be used to correlate or determine the relative age of of geologic unit.
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Geo101.17.Stratigraphy - Stratigraphy The Rock Cycle In...

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