Radioactive and relative dating
Relative dating by biostratigraphy is the preferred method in paleontology, and is in some respects more accurate (Stanley, nathan for you dating website party planner 16769).
The half-life of U-235 decaying to Pb-207 is 713 million years.
Yet few people know how radiometric dating works or bother to ask what assumptions drive the conclusions. This figure wasn’t established by radiometric dating of the earth itself. Radiohalos shouldn’t exist, according to conventional wisdom!
Though they are very tiny, polonium radiohalos have a huge message that cannot be ignored.
It is important to remember the difference between the two different kinds of rock.
They can provide fairly precise information about the age of a rock layer.
Many geologists claim that radiometric “clocks” show rocks to be millions of years old.
Similarly for paleontologists who find layers of fossils.
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The age of the carbon in the rock is different from that of the carbon in the air and makes carbon dating data for those organisms inaccurate under the assumptions normally used for carbon dating.
This restriction extends to animals that consume seafood in their diet.