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Korgal pegmatite field (Korghal; Kurghal), Nuristan District, Nuristan Province (Nurestan Province; Nooristan Province; Nuristan), Afghanistan

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Latitude & Longitude (WGS84): 35° 4' 4'' North , 70° 18' 21'' East
Latitude & Longitude (decimal): 35.0677777778, 70.3058333333
Other regions containing this locality:Asia

The deposits consist of Cs-Rb-Li-Ta-Nb-rich pegmatite veins, embedded in proterozoic crystalline schist and garnet-sillimanite-biotite gneiss (Bariand & Poullen 1978). Individual veins are hundreds of meters long and up to 50 m thick. The Kurghal pegmatite, for which the field is named, was mined for some time around 1995. Among other species, it produced green tourmaline (Orris & Bliss, 2002).

The grid reference is centered on the field.

Mineral List

Regional Geology

Proterozoic541 - 2500 MaProterozoic intrusive and metamorphic terranes

Intrusive and metamorphic terranes

Mixtures of metamorphic and intrusive or plutonic rocks, tracts known as crystalline, migmatitic terranes, moderately to highly metamorphosed rocks of unknown origin with or without intrusions. This classification is inherently prone to variable interpretation, as other compilers might distinguish some packages by their metamorphic or gneissic protoliths, and the associated age ranges may be more variable.

Siderian2300 - 2500 MaEarly Paleoproterozoic gneiss


Early Paleoproterozoic two-mica, biotite, biotite-amphibole, garnet-biotite, garnet-sillimanite-biotite, pyroxene-amphibole, plagiocalse, and cordierite gneiss; schist, migmatite, quartzite, marble, amphibolite.

References for regional geology:

Data provided by

Geological Survey of Canada. Generalized geological map of the world and linked databases. doi:10.4095/195142. Open File 2915d.

Doebrich, J.L., R.R. Wahl et al. Geologic and mineral resource map of Afghanistan. isbn: 9781411318038. USGS Open-File Report 2006-1038.

12 valid minerals.

The above list contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Bariand, P. and Poullen, J.F. (1978): Famous mineral localities: The pegmatites of Laghman - Nuristan - Afghanistan. Mineralogical Record 9, 301-308.

Orris, G.J., and Bliss, J.D. (2002): Mines and Mineral Occurrences of Afghanistan. United States Geological Survey Open-File Report 02-110.

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