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Khoemacau Mining Cu-Ag deposits, Ghanzi-Chobe Belt, North-West District, Botswanai
| Regional Level Types | |
|---|---|
| Khoemacau Mining Cu-Ag deposits | Group of Deposits |
| Ghanzi-Chobe Belt | Mineral Belt |
| North-West District | District |
| Botswana | Country |
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Type:
Group of Deposits
Other/historical names associated with this locality:
KCM Cu-Ag deposits
The deposits cover an area of ~4040 km2 and contain numerous mineralized zones including from south to north: the Chalcocite Zone (CC), New Discovery (ND), North Limb (NL), South Limb Definition (SLD), North East Fold (NEF), Mango, Zone 5, Zone 5 North, Boseto, Zeta NE, and Zone 6. The KCM Cu-Ag mineralization is strata-bound in sedimentary rocks of the DโKar Formation, hence, classified as sediment-hosted copper deposits. These rocks are variably hydrothermally-altered and alteration occurs both as pervasive and vein-controlled, signifying a complex fluid flow history. The typically observed evolution is from high-temperature sodic-calcic (albitization) to K-silicates (phyllic) to low-temperature Mg-rich (propylitic) and carbonate-quartz assemblages.
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Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded from this region.Mineral List
Mineral list contains entries from the region specified including sub-localities39 valid minerals.
Rock Types Recorded
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Rock list contains entries from the region specified including sub-localities
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Alphabetical List Tree DiagramDetailed Mineral List:
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| โ | Native Copper | 1.AA.05 | Cu |
| โ | Native Silver | 1.AA.05 | Ag |
| โ | Native Bismuth | 1.CA.05 | Bi |
| Group 2 - Sulphides and Sulfosalts | |||
| โ | Chalcocite | 2.BA.05 | Cu2S |
| โ | Digenite | 2.BA.10 | Cu9S5 |
| โ | Bornite | 2.BA.15 | Cu5FeS4 |
| โ | Stromeyerite | 2.BA.40 | AgCuS |
| โ | Covellite | 2.CA.05a | CuS |
| โ | Sphalerite | 2.CB.05a | ZnS |
| โ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| โ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| โ | Galena | 2.CD.10 | PbS |
| โ | Molybdenite | 2.EA.30 | MoS2 |
| โ | Pyrite | 2.EB.05a | FeS2 |
| โ | Marcasite | 2.EB.10a | FeS2 |
| โ | Arsenopyrite | 2.EB.20 | FeAsS |
| โ | Cobaltite | 2.EB.25 | CoAsS |
| โ | Wittichenite | 2.GA.20 | Cu3BiS3 |
| โ | 'Tennantite Subgroup' | 2.GB.05 | Cu6(Cu4C2+2)As4S12S |
| โ | 'Tetrahedrite Subgroup' | 2.GB.05 | Cu6(Cu4C2+2)Sb4S12S |
| โ | Emplectite | 2.HA.05 | CuBiS2 |
| Group 4 - Oxides and Hydroxides | |||
| โ | Goethite | 4.00. | Fe3+O(OH) |
| โ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| โ | Hematite | 4.CB.05 | Fe2O3 |
| โ | var. Specularite | 4.CB.05 | Fe2O3 |
| โ | Quartz | 4.DA.05 | SiO2 |
| โ | Rutile | 4.DB.05 | TiO2 |
| Group 5 - Nitrates and Carbonates | |||
| โ | Calcite | 5.AB.05 | CaCO3 |
| โ | Rhodochrosite | 5.AB.05 | MnCO3 |
| โ | Siderite | 5.AB.05 | FeCO3 |
| โ | Azurite | 5.BA.05 | Cu3(CO3)2(OH)2 |
| โ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| โ | Anhydrite | 7.AD.30 | CaSO4 |
| โ | Gypsum | 7.CD.40 | CaSO4 ยท 2H2O |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| โ | Variscite | 8.CD.10 | AlPO4 ยท 2H2O |
| Group 9 - Silicates | |||
| โ | Epidote | 9.BG.05a | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| โ | Zoisite | 9.BG.10 | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
| โ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| โ | var. Sericite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| โ | Clinochlore | 9.EC.55 | Mg5Al(AlSi3O10)(OH)8 |
| โ | Chrysocolla | 9.ED.20 | Cu2-xAlx(H2-xSi2O5)(OH)4 ยท nH2O, x < 1 |
| โ | Microcline | 9.FA.30 | K(AlSi3O8) |
| โ | Albite | 9.FA.35 | Na(AlSi3O8) |
| Unclassified | |||
| โ | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| โ | 'Chlorite Group' | - | |
| โ | 'Feldspar Group' | - | |
| โ | 'Limonite' | - | |
| โ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
| โ | 'K Feldspar' | - | |
| โ | 'Saussurite' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | โ Azurite | Cu3(CO3)2(OH)2 |
| H | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| H | โ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| H | โ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| H | โ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| H | โ Goethite | Fe3+O(OH) |
| H | โ Gypsum | CaSO4 · 2H2O |
| H | โ Malachite | Cu2(CO3)(OH)2 |
| H | โ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | โ Variscite | AlPO4 · 2H2O |
| H | โ Zoisite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
| H | โ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| C | Carbon | |
| C | โ Azurite | Cu3(CO3)2(OH)2 |
| C | โ Calcite | CaCO3 |
| C | โ Malachite | Cu2(CO3)(OH)2 |
| C | โ Rhodochrosite | MnCO3 |
| C | โ Siderite | FeCO3 |
| O | Oxygen | |
| O | โ Albite | Na(AlSi3O8) |
| O | โ Anhydrite | CaSO4 |
| O | โ Azurite | Cu3(CO3)2(OH)2 |
| O | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| O | โ Calcite | CaCO3 |
| O | โ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| O | โ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| O | โ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| O | โ Goethite | Fe3+O(OH) |
| O | โ Gypsum | CaSO4 · 2H2O |
| O | โ Hematite | Fe2O3 |
| O | โ Magnetite | Fe2+Fe23+O4 |
| O | โ Malachite | Cu2(CO3)(OH)2 |
| O | โ Microcline | K(AlSi3O8) |
| O | โ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | โ Quartz | SiO2 |
| O | โ Rhodochrosite | MnCO3 |
| O | โ Rutile | TiO2 |
| O | โ Siderite | FeCO3 |
| O | โ Variscite | AlPO4 · 2H2O |
| O | โ Zoisite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
| O | โ Hematite var. Specularite | Fe2O3 |
| O | โ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| O | โ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| F | Fluorine | |
| F | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Na | Sodium | |
| Na | โ Albite | Na(AlSi3O8) |
| Na | โ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Mg | Magnesium | |
| Mg | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Mg | โ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| Al | Aluminium | |
| Al | โ Albite | Na(AlSi3O8) |
| Al | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | โ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Al | โ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| Al | โ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Al | โ Microcline | K(AlSi3O8) |
| Al | โ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | โ Variscite | AlPO4 · 2H2O |
| Al | โ Zoisite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
| Al | โ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Al | โ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | Silicon | |
| Si | โ Albite | Na(AlSi3O8) |
| Si | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Si | โ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Si | โ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| Si | โ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Si | โ Microcline | K(AlSi3O8) |
| Si | โ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | โ Quartz | SiO2 |
| Si | โ Zoisite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
| Si | โ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Si | โ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| P | Phosphorus | |
| P | โ Variscite | AlPO4 · 2H2O |
| S | Sulfur | |
| S | โ Anhydrite | CaSO4 |
| S | โ Arsenopyrite | FeAsS |
| S | โ Bornite | Cu5FeS4 |
| S | โ Chalcopyrite | CuFeS2 |
| S | โ Chalcocite | Cu2S |
| S | โ Cobaltite | CoAsS |
| S | โ Covellite | CuS |
| S | โ Digenite | Cu9S5 |
| S | โ Emplectite | CuBiS2 |
| S | โ Galena | PbS |
| S | โ Gypsum | CaSO4 · 2H2O |
| S | โ Marcasite | FeS2 |
| S | โ Molybdenite | MoS2 |
| S | โ Pyrite | FeS2 |
| S | โ Pyrrhotite | Fe1-xS |
| S | โ Sphalerite | ZnS |
| S | โ Stromeyerite | AgCuS |
| S | โ Tennantite Subgroup | Cu6(Cu4C22+)As4S12S |
| S | โ Tetrahedrite Subgroup | Cu6(Cu4C22+)Sb4S12S |
| S | โ Wittichenite | Cu3BiS3 |
| K | Potassium | |
| K | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| K | โ Microcline | K(AlSi3O8) |
| K | โ Muscovite | KAl2(AlSi3O10)(OH)2 |
| K | โ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | โ Anhydrite | CaSO4 |
| Ca | โ Calcite | CaCO3 |
| Ca | โ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Ca | โ Gypsum | CaSO4 · 2H2O |
| Ca | โ Zoisite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
| Ca | โ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Ti | Titanium | |
| Ti | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Ti | โ Rutile | TiO2 |
| Mn | Manganese | |
| Mn | โ Rhodochrosite | MnCO3 |
| Fe | Iron | |
| Fe | โ Arsenopyrite | FeAsS |
| Fe | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Fe | โ Bornite | Cu5FeS4 |
| Fe | โ Chalcopyrite | CuFeS2 |
| Fe | โ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Fe | โ Goethite | Fe3+O(OH) |
| Fe | โ Hematite | Fe2O3 |
| Fe | โ Magnetite | Fe2+Fe23+O4 |
| Fe | โ Marcasite | FeS2 |
| Fe | โ Pyrite | FeS2 |
| Fe | โ Pyrrhotite | Fe1-xS |
| Fe | โ Siderite | FeCO3 |
| Fe | โ Hematite var. Specularite | Fe2O3 |
| Co | Cobalt | |
| Co | โ Cobaltite | CoAsS |
| Cu | Copper | |
| Cu | โ Azurite | Cu3(CO3)2(OH)2 |
| Cu | โ Bornite | Cu5FeS4 |
| Cu | โ Chalcopyrite | CuFeS2 |
| Cu | โ Chalcocite | Cu2S |
| Cu | โ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Cu | โ Covellite | CuS |
| Cu | โ Native Copper | Cu |
| Cu | โ Digenite | Cu9S5 |
| Cu | โ Emplectite | CuBiS2 |
| Cu | โ Malachite | Cu2(CO3)(OH)2 |
| Cu | โ Stromeyerite | AgCuS |
| Cu | โ Tennantite Subgroup | Cu6(Cu4C22+)As4S12S |
| Cu | โ Tetrahedrite Subgroup | Cu6(Cu4C22+)Sb4S12S |
| Cu | โ Wittichenite | Cu3BiS3 |
| Zn | Zinc | |
| Zn | โ Sphalerite | ZnS |
| As | Arsenic | |
| As | โ Arsenopyrite | FeAsS |
| As | โ Cobaltite | CoAsS |
| As | โ Tennantite Subgroup | Cu6(Cu4C22+)As4S12S |
| Mo | Molybdenum | |
| Mo | โ Molybdenite | MoS2 |
| Ag | Silver | |
| Ag | โ Native Silver | Ag |
| Ag | โ Stromeyerite | AgCuS |
| Sb | Antimony | |
| Sb | โ Tetrahedrite Subgroup | Cu6(Cu4C22+)Sb4S12S |
| Pb | Lead | |
| Pb | โ Galena | PbS |
| Bi | Bismuth | |
| Bi | โ Native Bismuth | Bi |
| Bi | โ Emplectite | CuBiS2 |
| Bi | โ Wittichenite | Cu3BiS3 |
Fossils
This region is too big or complex to display the fossil list, try looking at smaller subregions.Localities in this Region
- North-West District
- Ghanzi-Chobe Belt
- Khoemacau Mining Cu-Ag deposits
- Ghanzi-Chobe Belt
- North-West District
- Ghanzi-Chobe Belt
- Khoemacau Mining Cu-Ag deposits
- Ghanzi-Chobe Belt
Other Regions, Features and Areas that Intersect
AfricaContinent
- Kalahari DesertDesert
African PlateTectonic Plate
- Choma-Kaloma BlockOrogenic Belt
- Kalahari basinBasin
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References
[1]Kelepile, Tebogo; Bineli Betsi, Thierry; Shemang, Elisha (2020) Metal sources and mineralizing fluids characteristics and evolution of the Khoemacau sediment-hosted Cu-Ag deposits, in the Ghanzi-Chobe Belt portion of the Kalahari Copper Belt. Ore Geology Reviews, 122. doi:10.1016/j.oregeorev.2020.103559
