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Unformatted text preview: of Uniformitarianism , the basis of modern geology and paleontology. According to Hutton's work, certain geological processes operated in the past in much the same fashion as they do today, with minor exceptions of rates, etc. Thus many geological structures and processes cannot be explained if the earth is only 5000 years old. British geologist William Smith (1769-1839) recognized different strata (layers) had their own unique collections of fossils. He concluded that fossil assemblages succeed one another through time. This led to the process of correlation of rock strata, as well as evolution (change in life over time). The 18th century French scientist Georges Louis de Buffon cooled iron balls he thought simulated the Earth, arriving at an age of at least 75,000 years. This date was well beyond Ussher's calculations!...
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- Fall '10