Radiogenic Argon Diffusion Studies on Two Hawaiian Basalts

Date
2014-01-15
Authors
Kimura, Judy
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University of Hawaii at Manoa
Abstract
The potassium-argon dating technique is based on the fact that one of the three isotopes of potassium, K-40, naturally decays to Ca-40 by beta-emission and to Ar-40 by electron capture. Because the rate of decay is known, the time elapsed since the formation of a rock or mineral can be found by knowing the quantities of the parents and daughter it contains.
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