Osl dating technique
He concluded, after studying rocks at many outcrops, that each layer represented a specific interval of geologic time.Further, he proposed that wherever uncontorted layers were exposed, the bottom layer was deposited first and was, therefore, the oldest layer exposed; each succeeding layer, up to the topmost one, was progressively younger.You may find it useful for the clear definitions, and for excellent links on a variety of topic.
[ While this may be true, a shrub in Tasmania could be 40,000 years old.
These tests have been performed on what are thought to be the earth's oldest surviving rocks, meteorites, and moon rocks.
These tests have consistently given the same ages for each of these objects.
There, you will find a brief description of the method, plus links to take you to other webpages with more extensive information.
Dating is not necessary to demonstrate that evolution is a fact.