Reconnaissance of the geology and ore mineralization in part of the Chagai District, Pakistan
Open-File Report
75-550
By: Raymond H. Nagell
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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.
| 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 |
| DOI | 10.3133/ofr75550 |
| Year Published | 1975 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey], |
| Description | 73 p. ill., maps ;27 cm. |