Argon argon dating

Generally this is a crystal of the Bishops Tuff or other natural, well-dated mineral.Rolinator , 21 December 2005 (UTC) Thanks for the answer, but I still don't see how you get the age without knowing the K by emitting a beta particle (you need a negative charge for the transmutation, and I have never heard about gamma radiation inducing electron capture).Argon can mobilized into or out of a rock or mineral through alteration Ar and potassium, there is not a reliable way to determine if the assumptions are valid.Argon loss and excess argon are two common problems that may cause erroneous ages to be determined.The quantity of potassium in a rock or mineral is variable proportional to the amount of silica present.

Sometimes, when a large amount of argon has been lost, this is not possible.Argon-argon dating works because potassium-40 decays to argon-40 with a known decay constant. This led to the formerly-popular potassium-argon dating method.However, scientists discovered that it was possible to turn a known proportion of the potassium into argon by irradiating the sample, thereby allowing scientists to measure both the parent and the daughter in the gas phase.193.171.121.30 , 21 December 2005 (UTC) This press release states that it is actually the conversion Hi all.I removed an erroneous/misleading statement in the opening paragraph.

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