Dating the origin of the ccr5 delta32
Cynognathus, a Triassic land reptile, fossils are found in South America and Africa.
The same thing can be done with Samarium-neodymium, Potassium-argon, Rubidium-strontium, and Uranium-thorium transitions. There is a semi-constant ratio of carbon-14 in the air and ocean as it is constantly being created by cosmic rays.
I’ve used links to articles in Wikipedia as much as possible because Wiki articles are refined over time with our understanding of the subjectmatter and are less subject to link-rot.
This post is licensed Creative Commons and all photos listed here are available under some form of free-to-use licensing.
because science is about refining our understanding of the truth.
The Theory of Evolution is strong enough that nearly half these examples could be disproved and the evidence would still be fairly overwhelming.