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Reconnaissance of the geology and ore mineralization in part of the Chagai District, Pakistan

Open-File Report 75-550

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Abstract

The Chagai District of the Quetta Division is in the northwestern part of Pakistan. Igneous activity during the Himalayan orogeny included the extrusion of horizontally layered andesites of the Cretaceous Sinjrani Volcanic Group, emplacement of monzonitic stocks of the Cretaceous Chagai intrusions, and the extrusion of flows and tuffs of the Koh-i-Sultan Volcanic Group during the Pleistocene.

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Reconnaissance of the geology and ore mineralization in part of the Chagai District, Pakistan
Series title:
Open-File Report
Series number:
75-550
Edition:
-
Year Published:
1975
Language:
ENGLISH
Publisher:
U.S. Geological Survey],
Description:
73 p. ill., maps ;27 cm.