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Cobra 8 mine, Chiredzi mining district, Chiredzi District, Masvingo, Zimbabwei
| Regional Level Types | |
|---|---|
| Cobra 8 mine | Mine |
| Chiredzi mining district | Mining District |
| Chiredzi District | District |
| Masvingo | Province |
| Zimbabwe | Country |
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Latitude & Longitude (WGS84):
21° 2' 35'' South , 32° 10' 14'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
An abandoned copper tungsten mine. Previous prospecting and mining work included five shafts, numerous trenches, and pits on the strike-length of the occurrence. The claims were first registered in December 1976. During 1977-82, 36.18t of tungsten concentrate were produced.
Geology: The occurrence is developed in a fracture –zone, 2.0-2.8m wide, in syenite of the Mutandahwe Complex, and in places along the walls of a mafic dyke intrusive into the syenite. Near the reef, the mafic dyke is altered to biotite–rich rock. The reef showed pinching and swelling along strike and down dip and had a pay-strike ranging from 30 to 50m. Sulphide concentrates contained up to 3 g/t Au and 30 g/t Ag.
Size and orientation of deposit: 0.5 to 2.0m wide; extends for 650m; strike 050; sub-vertical dip.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Bismuthinite Formula: Bi2S3 |
| ⓘ Chalcocite Formula: Cu2S |
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Cobaltite Formula: CoAsS |
| ⓘ Fluorite Formula: CaF2 |
| ⓘ Galena Formula: PbS |
| ⓘ Malachite Formula: Cu2(CO3)(OH)2 References: |
| ⓘ Marcasite Formula: FeS2 |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Pyrrhotite Formula: Fe1-xS |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Scheelite Formula: Ca(WO4) |
| ⓘ Sphalerite Formula: ZnS |
| ⓘ 'Wolframite Group' |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcocite | 2.BA.05 | Cu2S |
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | Bismuthinite | 2.DB.05 | Bi2S3 |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| ⓘ | Marcasite | 2.EB.10a | FeS2 |
| ⓘ | Cobaltite | 2.EB.25 | CoAsS |
| Group 3 - Halides | |||
| ⓘ | Fluorite | 3.AB.25 | CaF2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | 'Wolframite Group' | 4.DB.30 va | |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Scheelite | 7.GA.05 | Ca(WO4) |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Malachite | Cu2(CO3)(OH)2 |
| C | Carbon | |
| C | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | Oxygen | |
| O | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Scheelite | Ca(WO4) |
| F | Fluorine | |
| F | ⓘ Fluorite | CaF2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Bismuthinite | Bi2S3 |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Chalcocite | Cu2S |
| S | ⓘ Cobaltite | CoAsS |
| S | ⓘ Galena | PbS |
| S | ⓘ Marcasite | FeS2 |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| S | ⓘ Sphalerite | ZnS |
| Ca | Calcium | |
| Ca | ⓘ Fluorite | CaF2 |
| Ca | ⓘ Scheelite | Ca(WO4) |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Marcasite | FeS2 |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
| Co | Cobalt | |
| Co | ⓘ Cobaltite | CoAsS |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Cu | ⓘ Chalcocite | Cu2S |
| Cu | ⓘ Malachite | Cu2(CO3)(OH)2 |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
| As | Arsenic | |
| As | ⓘ Cobaltite | CoAsS |
| W | Tungsten | |
| W | ⓘ Scheelite | Ca(WO4) |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
| Bi | Bismuth | |
| Bi | ⓘ Bismuthinite | Bi2S3 |
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Cobra 8 mine, Chiredzi mining district, Chiredzi District, Masvingo, Zimbabwe