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Narrap Mine, Okiep Copper District, Namakwa District (Namaqualand), Northern Cape, South Africai
Regional Level Types
Narrap MineMine
Okiep Copper DistrictDistrict
Namakwa District (Namaqualand)District
Northern CapeProvince
South AfricaCountry

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Key
Lock Map
Latitude & Longitude (WGS84): 29° 34' 42'' South , 17° 54' 46'' East
Latitude & Longitude (decimal): -29.57829,17.91287
GeoHash:G#: k6sxxx7vb
Locality type:Mine
Köppen climate type:BWk : Cold desert climate


Tungsten mine.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

'Allanite Group'
Formula: {A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
Reference: Econ Geol. (1995) 90:1934-1954
'Apatite'
Reference: Raith, J.G., and Stein, H.J. (2000): Mineralium Deposita 35, 741-753.; Econ Geol. (1995) 90:1934-1954
'Biotite'
Reference: Raith, J.G., and Stein, H.J. (2000): Mineralium Deposita 35, 741-753.; Ronaldson, J. H. (1905) Notes on the Copper Deposits of Little Namaqualand. Transactions of the Geological Society of South Africa 8:158-166.
Bornite
Formula: Cu5FeS4
Reference: Ronaldson, J. H. (1905) Notes on the Copper Deposits of Little Namaqualand. Transactions of the Geological Society of South Africa 8:158-166.
Chalcopyrite
Formula: CuFeS2
Reference: Ronaldson, J. H. (1905) Notes on the Copper Deposits of Little Namaqualand. Transactions of the Geological Society of South Africa 8:158-166.
'Columbite-(Fe)-Columbite-(Mn) Series'
Reference: Econ Geol. (1995) 90:1934-1954
Ferberite
Formula: FeWO4
Reference: Econ Geol. (1995) 90:1934-1954
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Raith, J.G., and Stein, H.J. (2000): Mineralium Deposita 35, 741-753.; Econ Geol. (1995) 90:1934-1954
'Hornblende'
Reference: Ronaldson, J. H. (1905) Notes on the Copper Deposits of Little Namaqualand. Transactions of the Geological Society of South Africa 8:158-166.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Econ Geol. (1995) 90:1934-1954
Molybdenite
Formula: MoS2
Reference: Raith, J.G., and Stein, H.J. (2000): Mineralium Deposita 35, 741-753.; Econ Geol. (1995) 90:1934-1954
'Monazite'
Reference: Econ Geol. (1995) 90:1934-1954
Pyrrhotite
Formula: Fe7S8
Reference: Cairncross, B. (2004): History of The Okiep Copper District, Namaqualand, Northern Cape Province, South Africa. Mineralogical Record 35(4) 289-317.; Maier, W.D. (2000): Mineralium Deposita 35, 422-429
Quartz
Formula: SiO2
Reference: Raith, J.G., and Stein, H.J. (2000): Mineralium Deposita 35, 741-753.; Ronaldson, J. H. (1905) Notes on the Copper Deposits of Little Namaqualand. Transactions of the Geological Society of South Africa 8:158-166.
Sillimanite
Formula: Al2(SiO4)O
Reference: Raith, J.G., and Stein, H.J. (2000): Mineralium Deposita 35, 741-753.; Econ Geol. (1995) 90:1934-1954
'Wolframite'
Formula: (Fe2+)WO4 to (Mn2+)WO4
Reference: Raith, J.G., and Stein, H.J. (2000): Mineralium Deposita 35, 741-753.; Econ Geol. (1995) 90:1934-1954

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
'Bornite'2.BA.15Cu5FeS4
'Chalcopyrite'2.CB.10aCuFeS2
'Molybdenite'2.EA.30MoS2
'Pyrrhotite'2.CC.10Fe7S8
Group 4 - Oxides and Hydroxides
'Ferberite'4.DB.30FeWO4
'Magnetite'4.BB.05Fe2+Fe3+2O4
'Quartz'4.DA.05SiO2
Group 9 - Silicates
'Sillimanite'9.AF.05Al2(SiO4)O
Unclassified Minerals, Rocks, etc.
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Apatite'-
'Biotite'-
'Columbite-(Fe)-Columbite-(Mn) Series'-
'Garnet Group'-X3Z2(SiO4)3
'Hornblende'-
'Monazite'-
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe7S8
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Molybdenite2.12.10.1MoS2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Ferberite48.1.1.2FeWO4
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 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Apatite'-
'Biotite'-
'Columbite-(Fe)-Columbite-(Mn) Series'-
'Garnet Group'-X3Z2(SiO4)3
'Hornblende'-
'Monazite'-
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals for each chemical element

HHydrogen
H Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
OOxygen
O Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
O FerberiteFeWO4
O Garnet GroupX3Z2(SiO4)3
O MagnetiteFe2+Fe23+O4
O QuartzSiO2
O SillimaniteAl2(SiO4)O
O Wolframite(Fe2+)WO4 to (Mn2+)WO4
AlAluminium
Al SillimaniteAl2(SiO4)O
SiSilicon
Si Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
Si Garnet GroupX3Z2(SiO4)3
Si QuartzSiO2
Si SillimaniteAl2(SiO4)O
SSulfur
S BorniteCu5FeS4
S ChalcopyriteCuFeS2
S MolybdeniteMoS2
S PyrrhotiteFe7S8
MnManganese
Mn Wolframite(Fe2+)WO4 to (Mn2+)WO4
FeIron
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe FerberiteFeWO4
Fe MagnetiteFe2+Fe23+O4
Fe PyrrhotiteFe7S8
Fe Wolframite(Fe2+)WO4 to (Mn2+)WO4
CuCopper
Cu BorniteCu5FeS4
Cu ChalcopyriteCuFeS2
MoMolybdenum
Mo MolybdeniteMoS2
WTungsten
W FerberiteFeWO4
W Wolframite(Fe2+)WO4 to (Mn2+)WO4

Geochronology

Mineralization age: Proterozoic : 1031 Ma to 950 Ma

Important note: This table is based only on rock and mineral ages recorded below and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.

Geologic TimeRocks, Minerals and Events
Precambrian
 Proterozoic
  Neoproterozoic
   Tonian
ⓘ Molybdenite (youngest age)950 Ma
  Mesoproterozoic
   Stenian
ⓘ Molybdenite (oldest age)1031 Ma

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Neoproterozoic - Mesoproterozoic
541 - 1600 Ma



ID: 3190510
Mesoproterozoic-Neoproterozoic crystalline metamorphic rocks

Age: Proterozoic (541 - 1600 Ma)

Comments: Bushmanland

Lithology: Orthogneiss/paragneiss

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Mesoproterozoic
1000 - 1600 Ma



ID: 3311952

Age: Mesoproterozoic (1000 - 1600 Ma)

Lithology: Plutonic and metamorphic

Reference: Thiéblemont, D. (ed.). New edition of the 1:10,000,000 geological map of Africa. CGMW-BRGM. [190]

Mesoproterozoic
1000 - 1600 Ma



ID: 2237398
Nababeep Gneiss of Little Namaqualand Suite

Age: Mesoproterozoic (1000 - 1600 Ma)

Stratigraphic Name: Nababeep Gneiss

Description: Intrusive, grey (brown-weathering) augen gneiss (biotite granite)

Reference: Council for Geoscience. Geologic map of South Africa, 1:1M. National Science Councils of South Africa. [41]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Raith, J.G., and Stein, H.J. (2000): Re-Os dating and sulphur isotope composition of molybdenite from tungsten deposits in western Namaqualand, South Africa: implications for ore genesis and the timing of metamorphism. Mineralium Deposita 35, 741-753.
Cairncross, B. (2004): History of The Okiep Copper District, Namaqualand, Northern Cape Province, South Africa. Mineralogical Record 35(4) 289-317.


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