Uranium potential of graphitic metapelites of Gandghar Range N.W. Pakistan. | [Proceedings of 5th Pakistan Geological Congress • 2007]

Author(s):

1. Jamil Ahmad: Pakistan Atomic Energy Commission, Regional Exploration Office, Peshawar University Campus, Peshawar, Pakistan

2. Abdul-Khaliq: Pakistan Atomic Energy Commission, Regional Exploration Office, Peshawar University Campus, Peshawar, Pakistan

3. Ahmad Qadir: Pakistan Atomic Energy Commission, Regional Exploration Office, Peshawar University Campus, Peshawar, Pakistan

4. Shaheen Iqbal: Pakistan Atomic Energy Commission, Regional Exploration Office, Peshawar University Campus, Peshawar, Pakistan

Abstract:

Graphitic metapelites of Gandghar Range extend along a narrow strip for about 3 km. This is structurally bounded by Bagdara fault which frequently marks the upper contact of Manki Formation with Shekhai Formation in SW Hazara. Geological, geophysical and geochemical investigations conducted on the prospect revealed fair concentration of U, V, Ba and Pb. Siliceous nature of graphitic metapelites with anomalous graphitic carbon (14.20%) indicated an euxenic environment with transitional oxygenated conditions close to continent. Deep drilling and analytical data of core samples favour a supergene enrichment mechanism. Fracturing tectonics facilitated persistent mobilization of mobile elements and labile uranium in a regime dominated by oxidizing ground water of surface/ meteoric origin. Three consecutive zones have been defined from surface to depth. In the light of exploration data collected hitherto, it is concluded that graphitic metapelites of NW Himalayas in Pakistan have all the characteristics of low-grade large reserve potential for uranium.

Page(s): 119-140

DOI: DOI not available

Published: Journal: Proceedings of 5th Pakistan Geological Congress , Volume: 0, Issue: 0, Year: 2007

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