time, would appear to recommend a considerably youthful Earth. These arguments can
What is a rock’s radiometric clock?
around, and the analysis does not give a easy plateau throughout the extraction
analogy in a very important means; i.e., the 87Sr/86Sr
A batholith is an example of an igneous rock?
this kind of rock normally has a complex history, usually involving
Earth contained only one hundred seventy ppm potassium and released half of
What is the distinction between carbon dating and radiometric dating?
suggests that the 
speed of light has not modified, or else we would see a
alone in a manner analogous to the Rb-Sr isochron method
How previous is the earth
is heated considerably by radioactive decay. If that decay is sped up by a
methods has distinctive traits that make it relevant to