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Geochemical Journal
Geochemical Journal An open access journal for geochemistry
Published for geochemistry community from Geochemical Society of Japan.

Fission track dating and uranium estimation in pegmatitic minerals of Rajasthan state (India)

Surinder Singh, H. S. Virk
Geochemical Journal, Vol. 12, No. 4, P. 271-274, 1978


Fission track geochronology of muscovite samples collected from some pegmatitic mines of Bhilwara and Ajmer districts of Rajasthan state (India) has been discussed. The ages obtained suggest the occurrence of Delhi Orogenic Cycle as the last major metamorphic activity in the region. The atomic fraction of uranium in muscovite samples is less than 1 p.p.b.

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