Stratigraphy – Earth’s Geological and Archaeological Layers

Started by gash, January 13, 2017, 02:19:04 pm

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Stratigraphy refers to the natural and cultural soil layers that make up an archaeological deposit. The notion is tied up with 19th-century geologist Charles Lyell's Law of Superposition, which states that because of natural forces, soils found deeply buried will have been laid down earlier--and therefore be older--than the soils found on top of them. Geologists and archaeologists alike have noted that the earth is made up of layers of rock and soil that were created by natural occurrences-the deaths of animals and climate events such as floods and volcanic eruptions-and by cultural ones such as midden (trash) deposits and building events.

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