About Uranium-lead Dating

rocks were examined as whole-rock samples using K-Ar dating and also

was only confirmed experimentally within the 1990s. Virtual Dating–a very helpful educational course on half-lives and

Why is radiometric dating not used for sedimentary rocks?

used to calculate the age of the lava flows and no knowledgeable

How rocks are dated?

radioisotopes.

yearly layers are slightly harder to observe. For this purpose,

Why is it simpler to use igneous rocks for radiometric dating?

ancient rocks of the Earth. They noticed that every rock

Which rock type is finest fitted to radiometric dating?

describe beneath. However, in actuality there’s usually a small amount of argon

Why is radiometric relationship accomplished primarily on igneous rocks and not sedimentary or metamorphic rocks?

drive the major geologic modifications within the earth that accompanied