Geochemical prospecting for copper and nickel in the Wulgai and Tor Tangi areas southeast of Hindubagh, Quetta Division, Pakistan
Open-File Report
75-163
By: S. Anthony Stanin, M.A. Wahid, and Shamsher Khan
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Abstract
Showings of magnetite, copper, and possible nickel mineralization in the Hindubagh chromite mining district are near Wulgai and Tor Tangi. Several hundred samples of clastic material from dry streambeds in these areas were sieved for the minus-80-mesh fraction and analyzed for copper using 2, 2'-biquinoline and for nickel using alpha-furildioxime. The copper threshold is 75 ppm, and the nickel threshold is 400 ppm. A geochemical map has been prepared that shows nine areas of anomalously high copper and six areas of high nickel. The nickel anomalies may represent secondary dispersion patterns derived from the erosion of nickeliferous ultramafic rocks of the Hindubagh intrusive complex. Copper showings in and near four of the anomalous copper areas indicate that detailed geological investigation and detailed geochemical sampling of rocks, soil, and unconsolidated clastic material are required to determine the source of the anomalies.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Geochemical prospecting for copper and nickel in the Wulgai and Tor Tangi areas southeast of Hindubagh, Quetta Division, Pakistan |
| Series title | Open-File Report |
| Series number | 75-163 |
| DOI | 10.3133/ofr75163 |
| Edition | - |
| Year Published | 1975 |
| Language | ENGLISH |
| Publisher | s.n.], |
| Description | i, 9 leaves, 1 sheet, :ill., maps (some folded) ;27 cm. |
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