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White Schist occurrence, Sar-e Sang (Sar Sang; Sary Sang), Koksha Valley (Kokscha Valley; Kokcha Valley), Khash & Kuran Wa Munjan Districts, Badakhshan Province (Badakshan Province; Badahsan Province), Afghanistan

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 36° North , 70° East (est.)
Margin of Error:~3km
Other regions containing this locality:Asia


At lower elevations, near the river, are relict lenses of a peculiar talc-kyanite-dravite “white schist” (Kulke & Schreyer, 1973; Kulke, 1976; Faryad, 2003); this rock, intercalated in the lowermost part of the marble unit, is thought to represent a high-pressure metamorphic facies of late Precambrian age (Kulke and Schreyer, 1973; Faryad, 1999).

Mineral List


10 valid minerals.

Rock Types Recorded

Entries shown in red are rocks recorded for this region.

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References

KULKE, H. and SCHREYER, W. (1973) Kyanite-talc schist from Sar e Sang, Afghanistan. Earth and Planetary Science Letters, 18, 324-328.

Schreyer and Abraham (1975) Mineralogical Magazine, 40, 171-180

KULKE, H. (1976) Die Lapislazuli-Lagerstätte, Sare Sang (Badakhshan): Geologie, Entstehung, Kulturgeschichte und Bergbau. Afghanistan Journal, 3 (2), 43-56 (in German).

FARYAD, S.W. (1999) Metamorphic evolution of the Precambrian South Badakhshan block, based on mineral reactions in metapelites and metabasites associated with whiteschists from Sare Sang (Western Hindu Kush, Afghanistan). Precambrian Research, 98, 223-241.

FARYAD, S.W. (2003) Metamorphic conditions and fluid compositions of scapolite-bearing rocks from the lapis lazuli deposit at Sare Sang, Afghanistan. Journal of Petrology, 43 (4), 725-747.

Mineral and/or Locality  
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