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Namaqualand Metamorphic complex, Okiep Copper District, Namakwa District (Namaqualand), Northern Cape, South Africai
Regional Level Types
Namaqualand Metamorphic complexComplex
Okiep Copper DistrictDistrict
Namakwa District (Namaqualand)District
Northern CapeProvince
South AfricaCountry

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude: 30° South , 19° East (est.)
Margin of Error:~236km
Locality type:Complex


High grade regional metamorphism. 17-19 East, 29-32 degrees south.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


12 valid minerals.

Detailed Mineral List:

'Albite-Anorthite Series'
Reference: Hokada, T., Motoyoshi, Y., Hiroi, Y., Shimura, T., Yuhara, M., Shiraishi, K., ... & Knoper, M. W. (2001). Petrography and mineral chemistry of high-grade pelitic gneisses and related rocks from Namaqualand, South Africa. Memoirs of National Institute of Polar Research. Special issue, 55, 105-126.
'Biotite'
Reference: Hokada, T., Motoyoshi, Y., Hiroi, Y., Shimura, T., Yuhara, M., Shiraishi, K., ... & Knoper, M. W. (2001). Petrography and mineral chemistry of high-grade pelitic gneisses and related rocks from Namaqualand, South Africa. Memoirs of National Institute of Polar Research. Special issue, 55, 105-126.
Chalcopyrite
Formula: CuFeS2
Reference: Ex Jenkins collection,Ex Wickett collection pre 1922,catalogue no 117, photo ID 641836;
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Reference: Hokada, T., Motoyoshi, Y., Hiroi, Y., Shimura, T., Yuhara, M., Shiraishi, K., ... & Knoper, M. W. (2001). Petrography and mineral chemistry of high-grade pelitic gneisses and related rocks from Namaqualand, South Africa. Memoirs of National Institute of Polar Research. Special issue, 55, 105-126.
Corundum
Formula: Al2O3
Reference: Hokada, T., Motoyoshi, Y., Hiroi, Y., Shimura, T., Yuhara, M., Shiraishi, K., ... & Knoper, M. W. (2001). Petrography and mineral chemistry of high-grade pelitic gneisses and related rocks from Namaqualand, South Africa. Memoirs of National Institute of Polar Research. Special issue, 55, 105-126.
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Hokada, T., Motoyoshi, Y., Hiroi, Y., Shimura, T., Yuhara, M., Shiraishi, K., ... & Knoper, M. W. (2001). Petrography and mineral chemistry of high-grade pelitic gneisses and related rocks from Namaqualand, South Africa. Memoirs of National Institute of Polar Research. Special issue, 55, 105-126.
Grandidierite
Formula: (Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Reference: Hokada, T., Motoyoshi, Y., Hiroi, Y., Shimura, T., Yuhara, M., Shiraishi, K., ... & Knoper, M. W. (2001). Petrography and mineral chemistry of high-grade pelitic gneisses and related rocks from Namaqualand, South Africa. Memoirs of National Institute of Polar Research. Special issue, 55, 105-126.
'K Feldspar'
Reference: Hokada, T., Motoyoshi, Y., Hiroi, Y., Shimura, T., Yuhara, M., Shiraishi, K., ... & Knoper, M. W. (2001). Petrography and mineral chemistry of high-grade pelitic gneisses and related rocks from Namaqualand, South Africa. Memoirs of National Institute of Polar Research. Special issue, 55, 105-126.
Kornerupine
Formula: Mg3Al6(Si,Al,B)5O21(OH)
Reference: Hokada, T., Motoyoshi, Y., Hiroi, Y., Shimura, T., Yuhara, M., Shiraishi, K., ... & Knoper, M. W. (2001). Petrography and mineral chemistry of high-grade pelitic gneisses and related rocks from Namaqualand, South Africa. Memoirs of National Institute of Polar Research. Special issue, 55, 105-126.
'Orthopyroxene Subgroup'
Reference: Hokada, T., Motoyoshi, Y., Hiroi, Y., Shimura, T., Yuhara, M., Shiraishi, K., ... & Knoper, M. W. (2001). Petrography and mineral chemistry of high-grade pelitic gneisses and related rocks from Namaqualand, South Africa. Memoirs of National Institute of Polar Research. Special issue, 55, 105-126.
Osumilite-(Mg)
Formula: KMg2Al3(Al2Si10)O30
Reference: Nowicki, T. E., Frimmel, H. E., and Waters, D. J., (1995): The occurrence of osumilite in pelitic granulites of the Namaqualand Metamorphic Complex, South Africa. - South African. Journal of Geology, Vol. 98, pp. 191-201.; Hokada, T., Motoyoshi, Y., Hiroi, Y., Shimura, T., Yuhara, M., Shiraishi, K., ... & Knoper, M. W. (2001). Petrography and mineral chemistry of high-grade pelitic gneisses and related rocks from Namaqualand, South Africa. Memoirs of National Institute of Polar Research. Special issue, 55, 105-126.
Quartz
Formula: SiO2
Reference: Hokada, T., Motoyoshi, Y., Hiroi, Y., Shimura, T., Yuhara, M., Shiraishi, K., ... & Knoper, M. W. (2001). Petrography and mineral chemistry of high-grade pelitic gneisses and related rocks from Namaqualand, South Africa. Memoirs of National Institute of Polar Research. Special issue, 55, 105-126.
Rutile
Formula: TiO2
Reference: Hokada, T., Motoyoshi, Y., Hiroi, Y., Shimura, T., Yuhara, M., Shiraishi, K., ... & Knoper, M. W. (2001). Petrography and mineral chemistry of high-grade pelitic gneisses and related rocks from Namaqualand, South Africa. Memoirs of National Institute of Polar Research. Special issue, 55, 105-126.
Sapphirine
Formula: Mg4(Mg3Al9)O4[Si3Al9O36]
Reference: Minerals of South Africa; Hokada, T., Motoyoshi, Y., Hiroi, Y., Shimura, T., Yuhara, M., Shiraishi, K., ... & Knoper, M. W. (2001). Petrography and mineral chemistry of high-grade pelitic gneisses and related rocks from Namaqualand, South Africa. Memoirs of National Institute of Polar Research. Special issue, 55, 105-126.
Sillimanite
Formula: Al2(SiO4)O
Reference: Hokada, T., Motoyoshi, Y., Hiroi, Y., Shimura, T., Yuhara, M., Shiraishi, K., ... & Knoper, M. W. (2001). Petrography and mineral chemistry of high-grade pelitic gneisses and related rocks from Namaqualand, South Africa. Memoirs of National Institute of Polar Research. Special issue, 55, 105-126.
Spinel
Formula: MgAl2O4
Reference: Hokada, T., Motoyoshi, Y., Hiroi, Y., Shimura, T., Yuhara, M., Shiraishi, K., ... & Knoper, M. W. (2001). Petrography and mineral chemistry of high-grade pelitic gneisses and related rocks from Namaqualand, South Africa. Memoirs of National Institute of Polar Research. Special issue, 55, 105-126.
Werdingite
Formula: (Mg,Fe)2Al14Si4B4O37
Reference: Hokada, T., Motoyoshi, Y., Hiroi, Y., Shimura, T., Yuhara, M., Shiraishi, K., ... & Knoper, M. W. (2001). Petrography and mineral chemistry of high-grade pelitic gneisses and related rocks from Namaqualand, South Africa. Memoirs of National Institute of Polar Research. Special issue, 55, 105-126.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
'Chalcopyrite'2.CB.10aCuFeS2
Group 4 - Oxides and Hydroxides
'Corundum'4.CB.05Al2O3
'Quartz'4.DA.05SiO2
'Rutile'4.DB.05TiO2
'Spinel'4.BB.05MgAl2O4
Group 9 - Silicates
'Cordierite'9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
'Grandidierite'9.AJ.05(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
'Kornerupine'9.BJ.50Mg3Al6(Si,Al,B)5O21(OH)
'Osumilite-(Mg)'9.CM.05KMg2Al3(Al2Si10)O30
'Sapphirine'9.DH.45Mg4(Mg3Al9)O4[Si3Al9O36]
'Sillimanite'9.AF.05Al2(SiO4)O
'Werdingite'9.BD.35(Mg,Fe)2Al14Si4B4O37
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Biotite'-
'Garnet Group'-X3Z2(SiO4)3
'K Feldspar'-
'Orthopyroxene Subgroup'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
Group 4 - SIMPLE OXIDES
A2X3
Corundum4.3.1.1Al2O3
AX2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Spinel7.2.1.1MgAl2O4
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
Sillimanite52.2.2a.1Al2(SiO4)O
Group 54 - NESOSILICATES Borosilicates and Some Beryllosilicates
Borosilicates and Some Beryllosilicates with (BO3)
Grandidierite54.1.1.1(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with[Si2O7] with borate groups
Werdingite56.3.2.1(Mg,Fe)2Al14Si4B4O37
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [4] and higher coordination; single and double groups (n=1, 2)
Kornerupine58.1.1.1Mg3Al6(Si,Al,B)5O21(OH)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with Al substituted rings
Cordierite61.2.1.1(Mg,Fe)2Al3(AlSi5O18)
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 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Biotite'-
'Garnet Group'-X3Z2(SiO4)3
'K Feldspar'-
'Orthopyroxene Subgroup'-
Osumilite-(Mg)-KMg2Al3(Al2Si10)O30

List of minerals for each chemical element

HHydrogen
H KornerupineMg3Al6(Si,Al,B)5O21(OH)
BBoron
B Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
B KornerupineMg3Al6(Si,Al,B)5O21(OH)
B Werdingite(Mg,Fe)2Al14Si4B4O37
OOxygen
O Cordierite(Mg,Fe)2Al3(AlSi5O18)
O CorundumAl2O3
O Garnet GroupX3Z2(SiO4)3
O Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
O KornerupineMg3Al6(Si,Al,B)5O21(OH)
O Osumilite-(Mg)KMg2Al3(Al2Si10)O30
O QuartzSiO2
O RutileTiO2
O SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
O SillimaniteAl2(SiO4)O
O SpinelMgAl2O4
O Werdingite(Mg,Fe)2Al14Si4B4O37
MgMagnesium
Mg Cordierite(Mg,Fe)2Al3(AlSi5O18)
Mg Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Mg KornerupineMg3Al6(Si,Al,B)5O21(OH)
Mg Osumilite-(Mg)KMg2Al3(Al2Si10)O30
Mg SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
Mg SpinelMgAl2O4
Mg Werdingite(Mg,Fe)2Al14Si4B4O37
AlAluminium
Al Cordierite(Mg,Fe)2Al3(AlSi5O18)
Al CorundumAl2O3
Al Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Al KornerupineMg3Al6(Si,Al,B)5O21(OH)
Al Osumilite-(Mg)KMg2Al3(Al2Si10)O30
Al SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
Al SillimaniteAl2(SiO4)O
Al SpinelMgAl2O4
Al Werdingite(Mg,Fe)2Al14Si4B4O37
SiSilicon
Si Cordierite(Mg,Fe)2Al3(AlSi5O18)
Si Garnet GroupX3Z2(SiO4)3
Si Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Si KornerupineMg3Al6(Si,Al,B)5O21(OH)
Si Osumilite-(Mg)KMg2Al3(Al2Si10)O30
Si QuartzSiO2
Si SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
Si SillimaniteAl2(SiO4)O
Si Werdingite(Mg,Fe)2Al14Si4B4O37
SSulfur
S ChalcopyriteCuFeS2
KPotassium
K Osumilite-(Mg)KMg2Al3(Al2Si10)O30
TiTitanium
Ti RutileTiO2
FeIron
Fe ChalcopyriteCuFeS2
Fe Cordierite(Mg,Fe)2Al3(AlSi5O18)
Fe Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
CuCopper
Cu ChalcopyriteCuFeS2

References

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Hokada, T., Motoyoshi, Y., Hiroi, Y., Shimura, T., Yuhara, M., Shiraishi, K., ... & Knoper, M. W. (2001). Petrography and mineral chemistry of high-grade pelitic gneisses and related rocks from Namaqualand, South Africa. Memoirs of National Institute of Polar Research. Special issue, 55, 105-126.


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