Mineralogical Journal
Online ISSN : 1881-4174
Print ISSN : 0544-2540
ISSN-L : 0544-2540
 
Fission track dating and uranium mineralization in pegmatites of Bhilwara area, Rajasthan State (India)
H. S. VIRKSurinder SINGH
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1977 Volume 8 Issue 5 Pages 263-271

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Abstract

Uranium estimation studies on muscovites occurring as pegmatites in the Bhilwara area, Rajasthan State (India) give an evidence of second-phase intrusions of uranium in the mica matrix. The uranium content of mica varies from 10−10 atom/atom to 10−5 atom/atom. The mean fission track age for this region was found to be 1069±51 m. y. The pegmatites are of Precambrian origin but the uranium inclusions belong to a much later stage in the geothermal history of the samples.

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© 1977 Japan Association of Mineralogical Sciences
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