论文信息 - FISSION-TRACK AGES OF ZIRCONS

FISSION-TRACK AGES OF ZIRCONS

The fission-fragment-track dating method has been applied to zircons ranging in age from less than 1 m.y. to more than 100 m.y. Good agreement was obtained with ages determined by standard methods. Uranium concentrations were measured and the microscopic distribution of uranium was studied. It was found that no movement of uranium had taken place over geologic time. Crystals as small as a few micrograms can be dated. In principle, ages from a few hundred years to several billion years can be measured by selecting crystals with suitable concentrations of uranium.

P. Price | R. Fleischer | R. Walker

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