Relative dating of geological strata


02-Oct-2020 19:19

Using these key or index fossils as markers, Smith could identify a particular layer of rock wherever it was exposed.Because fossils actually record the slow but progressive development of life, scientists use them to identify rocks of the same age throughout the world.See more information about "Strata" Smith and his original geologic map of England.Information about Simon Winchester's delightful biography of Smith, The Map That Changed the World is available at Tree-Ring dating is based on the principle that the growth rings on certain species of trees reflect variations in seasonal and annual rainfall.Cross-dating is a technique used to take advantage of consistencies in stratigraphy between parts of a site or different sites, and objects or strata with a known relative chronology.

relative dating of geological strata-81

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There, you will find a brief description of the method, plus links to take you to other webpages with more extensive information.

Because of the distortions and lies spread by fundamentalists about scientific dating there is a need for a centralized source of information on the topic.



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