Why is radiocarbon dating only rarely applied in geological work

Posted by / 29-Sep-2019 06:54

C ages from terrestrial plants avoid some problems with other materials.

Perhaps the most vexing problem in some outcrop studies are pervasive tiny rootlets from modern plants.The most reliable ages are from fossils that got their carbon directly from the atmosphere.If you want accurate results, the bottom line is that the C ages are obtained and the bad apples reveal themselves.Most plant fossils found in glacial lake sediment are from terrestrial sources.As a result there can be a lag between the time the organism was alive and when it was finally transported to the lake and deposited with lake sediment.

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This gives us the impression that all but a small percentage of the dates computed by radiometric methods agree with the assumed ages of the rocks in which they are found, and that all of these various methods almost always give ages that agree with each other to within a few percentage points.