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Open-File Report 2014–1199

Prepared in cooperation with the Afghan Geological Survey under the auspices of the U.S. Department of Defense

Geologic Map of the Ahankashan-Rakhna basin, Badghis, Ghor, and Herat Provinces, Afghanistan, Modified from the 1974 Original Map Compilation of Y.I. Shcherbina and Others

By Robert D. Tucker, Will R. Stettner, Linda M. Masonic, and Anya K. Bogdanow

Thumbnail of and link to report PDF (76.5 MB)Abstract

This geologic map of the Ahankashan-Rakhna basin, Afghanistan, is a redrafted and modified version of the Geological map of the area of Ahankashan-Rakhna basin, scale 1:50,000 and Geological map of the Ahankashan area with data on mineral resources, scale 1:12,000 from Shcherbina and others (1974) (Soviet report no. 0822). That unpublished Soviet report contains the original maps and cross sections, which were prepared in cooperation with the Ministry of Mines and Industries of the Republic of Afghanistan in Kabul during 1974 under contract no. 50728 (Technoexport, USSR). The redrafted maps and cross sections in this USGS publication illustrate the geology of the Ahankashan and Rakhna basins, located within Badghis, Ghor, and Herat Provinces.

The Ahankashan and Rakhna prospect area is one of several gold and copper deposits within west-central Afghanistan. Here, various felsic to intermediate igneous porphyries intrude Lower Triassic to lower Paleogene sedimentary rocks, producing mineral and ore-bearing zones related to hydrothermal alteration, skarns, silicification, and crushing (brecciation). Mineralized skarns contain assemblages such as magnetite, magnetite-hematite, epidote-hematite, and epidote-garnet, as well as disseminations of chalcopyrite, covellite, chalcocite, cuprite, malachite, and azurite. Gold mineralization is mainly associated with zones of crushing along faults, and with small silicified igneous veins within granite and quartz porphyry.

First posted December 16, 2014

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Suggested citation:

Tucker, R.D., Stettner, W.R., Masonic, L.M., and Bogdanow, A.K., comps., 2014, Geologic map of the Ahankashan-Rakhna basin, Badghis, Ghor, and Herat Provinces, Afghanistan, modified from the 1974 original map compilation of Y.I. Shcherbina and others: U.S. Geological Survey Open-File Report 2014–1199, 1 sheet, scale 1:50,000 and 1:12,000,

ISSN 2331–1258 (online)



Description of Map Units

Explanation of Map Symbols


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