Radiometric dating answers com

This depends on the decay of uranium-237 and uranium-238 to isotopes of lead.

radiometric dating answers com-33radiometric dating answers com-12radiometric dating answers com-37radiometric dating answers com-82

To date older fossils, other methods are used, such as potassium-argon or argon-argon dating.Other elements used for dating, such as rubidium, occur in some minerals but not others, restricting usefulness.Note that although carbon-14 dating receives a lot of attention, since it can give information about the relatively recent past, it is rarely used in geology (and almost never used to date fossils).Other forms of dating based on reactive minerals like rubidium or potassium can date older finds including fossils, but have the limitation that it is easy for ions to move into rocks post-formation so that care must be taken to consider geology and other factors.Radiometric dating — through processes similar to those outlined in the example problem above — frequently reveals that rocks, fossils, etc.

Leave a Reply