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05-Nov-2019 04:05

Other relative methods include chemical dating, biostratigraphic or faunal dating, and cultural dating.Chemical dating, such as fluorine dating, compares the relative amounts of absorbed fluorine in bones from the same site.Paleoanthropologists focus much of their research in East and South Africa, because these areas have the most ideal conditions for fossilization and access to the deep layers containing the fossils.While early hominids likely lived throughout the entire continent, it is in the specific regions where paleoanthropologists have had the most success at discovering fossils.Biostratigraphic or faunal dating utilizes known dates of appearance or extinction for specific fauna to provide approximate dates of the strata in which they are found.Cultural dating utilizes changes in form of various cultural objects, such as tools or pottery, to provide a general date for a stratum or site.

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date of organic material - but an approximate age, usually within a range of a few years either way.They do not provide “exact” dates for the materials.Relative methods include stratigraphic correlation, which matches strata from different sites that are temporally comparable.In addition, local climatic and environmental conditions determine whether fossilization will occur, so that there is differential preservation among different locations.

Moreover, the rock sequences are not always complete in all places, so certain periods cannot be investigated.Response: The two major types of dating include relative methods and absolute methods.

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