Dating method of anthro
The majority of chronometric dating methods are radiometric, which means they involve measuring the radioactive decay of a certain chemical isotope.
They are called chronometric because they allow one to make a very accurate scientific estimate of the date of an object as expressed in years.
In areas in which scientists have tree rings sequences that reach back thousands of years, they can examine the patterns of rings in the wood and determine when the wood was cut down.
This works better in temperate areas that have more distinct growing seasons (and this rings) and relatively long-lived tree species to provide a baseline.
The most commonly used chronometic method is radiocarbon analysis.
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Other methods include fluorine dating, nitrogen dating, association with bones of extinct fauna, association with certain pollen profiles, association with geological features such as beaches, terraces and river meanders, and the establishment of cultural seriations.
These strata are often most visible in canyons or gorges which are good sites to find and identify fossils.
Understanding the geologic history of an area and the different strata is important to interpreting and understanding archaeological findings.
This also works with stone tools which are found abundantly at different sites and across long periods of time.
Stratigraphic dating is based on the principle of depositional superposition of layers of sediments called strata.But many anthropologists also conduct informal kinds of research, including impromptu discussions with and observations of the peoples they study.
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