time, would appear to recommend a somewhat youthful Earth. These arguments can
What is a rock’s radiometric clock?
around, and the evaluation does not give a clean plateau 
across the extraction
analogy in an important means; i.e., the 87Sr/86Sr
A batholith is an example of an igneous rock?
this kind of rock normally has a posh history, usually involving
Earth contained only 170 ppm potassium and launched half of
What is the distinction between carbon relationship and radiometric dating?
suggests that the velocity of sunshine has not modified, or else we would see a
alone in a way analogous to the Rb-Sr isochron method
How previous is the earth
is heated substantially by radioactive decay. If that decay is speeded up by a
methods has unique characteristics that make it applicable to