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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, Afghanistani
Regional Level Types
White Schist occurrenceOccurrence
Sar-e Sang (Sar Sang; Sary Sang)- not defined -
Koksha Valley (Kokscha Valley; Kokcha Valley)Valley
Khash & Kuran Wa Munjan Districts- not defined -
BadakhshanProvince
AfghanistanCountry

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Key
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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
Locality type:Occurrence
Köppen climate type:ET : Tundra


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).

Regions containing this locality

Eurasian PlateTectonic Plate
AsiaContinent

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


10 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Calcite
Formula: CaCO3
Reference: Moore, T.P.,Woodside, R.M.W. (2014): The Sar-e-Sang Lapis Mines, Kuran Wa Munjan district, Badakhshan Province, Afghanistan. Mineralogical Record 45 (3), 280-336.
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Reference: Deer, Howie and Zussman (1978) Rock-forming Minerals, Vol. 2A, Single-Chain Silicates. (2nd ed.)
Corundum
Formula: Al2O3
Reference: Deer, Howie and Zussman (1978) Rock-forming Minerals, Vol. 2A, Single-Chain Silicates. (2nd ed.)
Dravite
Formula: Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Moore, T.P.,Woodside, R.M.W. (2014): The Sar-e-Sang Lapis Mines, Kuran Wa Munjan district, Badakhshan Province, Afghanistan. Mineralogical Record 45 (3), 280-336.
Gedrite
Formula: ☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Reference: Deer, Howie and Zussman (1978) Rock-forming Minerals, Vol. 2A, Single-Chain Silicates. (2nd ed.)
Kyanite
Formula: Al2(SiO4)O
Reference: KULKE, H., and SCHREYER, W. (1973) Kyanite-talc schist from Sar e Sang, Afghanistan. Earth and Planetary Science Letters, 18, 324-328.; Deer, Howie and Zussman (1978) Rock-forming Minerals, Vol. 2A, Single-Chain Silicates. (2nd ed.)
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Reference: Moore, T.P.,Woodside, R.M.W. (2014): The Sar-e-Sang Lapis Mines, Kuran Wa Munjan district, Badakhshan Province, Afghanistan. Mineralogical Record 45 (3), 280-336.
Sapphirine
Formula: Mg4(Mg3Al9)O4[Si3Al9O36]
Reference: Deer, Howie and Zussman (1978) Rock-forming Minerals, Vol. 2A, Single-Chain Silicates. (2nd ed.)
Sodalite
Formula: Na8(Al6Si6O24)Cl2
Habit: Docahedrons
Colour: Yellow
Description: This is sodalite with a cell edge of 8.8648 A ( F. Camara (2013) Priv. Comm.)The yellow colour results from a fortuitous combination of blue and red absobsion bands. Gem Yellow sodalite is very rare.
Reference: Moore, T.P.,Woodside, R.M.W. (2014): The Sar-e-Sang Lapis Mines, Kuran Wa Munjan district, Badakhshan Province, Afghanistan. Mineralogical Record 45 (3), 280-336.
Talc
Formula: Mg3Si4O10(OH)2
Reference: KULKE, H., and SCHREYER, W. (1973) Kyanite-talc schist from Sar e Sang, Afghanistan. Earth and Planetary Science Letters, 18, 324-328.; Deer, Howie and Zussman (1978) Rock-forming Minerals, Vol. 2A, Single-Chain Silicates. (2nd ed.)

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Corundum4.CB.05Al2O3
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Cordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
Dravite9.CK.05Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Gedrite9.DD.05☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Kyanite9.AF.15Al2(SiO4)O
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Sapphirine9.DH.45Mg4(Mg3Al9)O4[Si3Al9O36]
Sodalite9.FB.10Na8(Al6Si6O24)Cl2
Talc9.EC.05Mg3Si4O10(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Corundum4.3.1.1Al2O3
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Kyanite52.2.2c.1Al2(SiO4)O
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with Al substituted rings
Cordierite61.2.1.1(Mg,Fe)2Al3(AlSi5O18)
Six-Membered Rings with borate groups
Dravite61.3.1.9Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Gedrite66.1.2.5☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Group 69 - INOSILICATES Chains with Side Branches or Loops
Chains with Side Branches or Loops with P>2
Sapphirine69.2.1b.1Mg4(Mg3Al9)O4[Si3Al9O36]
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Talc71.2.1.3Mg3Si4O10(OH)2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework Feldspathoids and related species
Sodalite76.2.3.1Na8(Al6Si6O24)Cl2

List of minerals for each chemical element

HHydrogen
H DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
H PhlogopiteKMg3(AlSi3O10)(OH)2
H TalcMg3Si4O10(OH)2
H Gedrite☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
BBoron
B DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
C CalciteCaCO3
OOxygen
O SodaliteNa8(Al6Si6O24)Cl2
O CalciteCaCO3
O DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
O PhlogopiteKMg3(AlSi3O10)(OH)2
O TalcMg3Si4O10(OH)2
O KyaniteAl2(SiO4)O
O SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
O Gedrite☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
O Cordierite(Mg,Fe)2Al3(AlSi5O18)
O CorundumAl2O3
NaSodium
Na SodaliteNa8(Al6Si6O24)Cl2
Na DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mg DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg TalcMg3Si4O10(OH)2
Mg SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
Mg Gedrite☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Mg Cordierite(Mg,Fe)2Al3(AlSi5O18)
AlAluminium
Al SodaliteNa8(Al6Si6O24)Cl2
Al DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al KyaniteAl2(SiO4)O
Al SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
Al Gedrite☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Al Cordierite(Mg,Fe)2Al3(AlSi5O18)
Al CorundumAl2O3
SiSilicon
Si SodaliteNa8(Al6Si6O24)Cl2
Si DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si TalcMg3Si4O10(OH)2
Si KyaniteAl2(SiO4)O
Si SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
Si Gedrite☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Si Cordierite(Mg,Fe)2Al3(AlSi5O18)
ClChlorine
Cl SodaliteNa8(Al6Si6O24)Cl2
KPotassium
K PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Ca CalciteCaCO3
FeIron
Fe Cordierite(Mg,Fe)2Al3(AlSi5O18)

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Kulke, H. and Schreyer, W. (1973) Kyanite-talc schist from Sar e Sang, Afghanistan. Earth and Planetary Science Letters, 18, 324-328.
Schreyer, W. and Abraham, K. (1975) Peraluminous sapphirine as a metastable reaction product in kyanite-gedrite-talc schist from Sar e Sang, Afghanistan. Mineralogical Magazine, 40(310), 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.


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