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Kombat Mine (Klein Otavi; Asis), Kombat, Grootfontein District, Otjozondjupa Region, Namibia

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Latitude & Longitude (WGS84): 19° 46' 59'' South , 18° 1' 0'' East
Latitude & Longitude (decimal): -19.78333,18.01667
Köppen climate type:BSh : Hot semi-arid (steppe) climate


Owned by Ongopolo Mining Ltd.
Discovered in 1850, mining started around 1900. Closed in 2008 due to problems with flooding.

Located 37 km E of Otavi.

Note on the mineral list: Red asisite from the Kombat Mine has been erroneously sold as "chubutite" or "lorettoite".


Commodity 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-localities

Actinolite

Aegirine

Albite

var: Oligoclase

Alleghanyite

Anglesite

Anhydrite

Aragonite

Arsenopyrite

Asisite (TL)

Azurite

Barysilite

Baryte

Bastnäsite-(Ce)

Bayldonite

Betekhtinite

'Biotite'

Bornite

Britvinite

Brochantite

Brucite

Brushite

Cahnite

Calcite

Carlfrancisite (TL)

Cassiterite

Cerussite

Chalcocite

Chalcopyrite

'Chlorite Group'

Chrysocolla

Clinozoisite

Colusite

Copper

Covellite

Crednerite

Crocoite

Cuprite

Cuspidine

Damaraite (TL)

Defernite

Digenite

Dioptase

Dolomite

Duftite

Enargite

Epidote

Fluorite

Galaxite

Galena

Ganophyllite

Glaucochroite

Grootfonteinite (TL)

Gypsum

Harkerite

Hausmannite

Hedyphane

Helvine

Hematite

Hematophanite

Hereroite (TL)

Hillebrandite

Holdawayite (TL)

Hollandite

Hydroxylapatite

var: Carbonate-rich Hydroxylapatite

Jacobsite

Jaffeite (TL)

Janchevite (TL)

Jerrygibbsite

Johninnesite (TL)

Kaolinite

Kentrolite

Kirschsteinite ?

Kombatite (TL)

Kutnohorite

Lautite

Lead

Leadhillite

Leucophoenicite

'Lorettoite'

Magnetite

Malachite

Manganberzeliite

Manganite

Manganosite

Melanotekite

Microcline

Mimetite

Molybdenite

Molybdophyllite

Monazite-(Ce)

Mottramite

Muscovite

Nambulite

Natronambulite

Orthoclase

Phlogopite

Pyrite

Pyrobelonite

Pyrochroite

Pyrolusite

Pyromorphite

Pyrophyllite

Quartz

Renierite

Rhodochrosite

Rhodonite

Ribbeite (TL)

Richterite

Rickturnerite ?

Roymillerite (TL)

Sahlinite

Sakhaite

Serandite

Siderite

Silver

Smithsonite

Spessartine

Sphalerite

Sussexite

Talc

Tennantite

Tephroite

'UM1990-59-SiO:AlBCHMg'

'Unnamed (Mcgovernite-like mineral)'

Vaterite

Vesuvianite

Vladkrivovichevite (TL)

Wiserite

Witherite

Wulfenite

Yangite (TL)

Zircon


127 valid minerals. 14 (TL) - type locality of valid minerals. 1 erroneous literature entry.

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

Jurassic
145 - 201.3 Ma



ID: 1381927
Jurassic sedimentary rocks

Age: Jurassic (145 - 201.3 Ma)

Lithology: Sedimentary rocks

Reference: Geological Survey of Canada. Generalized geological map of the world and linked databases. doi:10.4095/195142. Open File 2915d. [18]

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


Localities in this Region

Namibia

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Dunn, P.J., Peacor, D.R., Su, S.-C., Nelen, J.A., and von Knorring, O. (1986) Johninnesite, a new sodium manganese arsenosilicate from the Kombat Mine, Namibia. Mineralogical Magazine, vol. 50, n° 358, 667-670.
Innes, J. and Chaplin, R.C. (1986) Ore bodies of the Kombat mine, South West Africa/Namibia. In: Mineral Deposits of Southern Africa (C.R. Anhaeusser and S. Maske, editors). Geological Society of South Africa, Johannesburg, Republic of South Africa, 1789-1805.
Rouse, R.C., Dunn, P.J., and Innes, J. (1986) Kombatite, the vanadium analogue of sahlinite, from the Kombat Mine, South West Africa. Neues Jahrbuch für Mineralogie, Monatshefte, 519-522.
Peacor, D.R., Dunn, P.J., Su, S.-C., and Innes, J. (1987) Ribbeite, a polymorph of alleghanyite and member of the leucophoenicite group from the Kombat mine, Namibia. American Mineralogist, 72, 213-216.
Dunn, P.J., Francis, C.A., and Innes, J. (1988) A mcgovernite-like mineral and leucophoenicite from the Kombat mine, Namibia. American Mineralogist 73, 1182-1185.
Mineralogical Record (1989) 20(5): 397.
Mineralogical Record (1989) 20(6): 481.
Criddle, A.J., Keller, P., Stanley, C.J., and Innes, J. (1990) Damaraite, a new lead oxychloride mineral from the Kombat mine, Namibia (South West Africa). Mineralogical Magazine, vol. 54, n° 377, 593-598.
Dunn, P.J. (1991) Rare minerals of the Kombat Mine. Mineralogical Record: 22(6): 421-425.
Daul, J., Bauer, K., and Moser, P. (1993) Bergbau in Namiba - Erfahrungen einer Studienreise. Institut für Bergbaukunde, Bergtechnik und Bergwirtschaft, Wissenschaftliche Schriftenreihe No. 3, Leoben, Austria, 130 pp (in German).
Welch, M.D., Schofield, P.F., Cressey, G., and Stanley, C.J. (1996) Cation ordering in layered Pb-Mo-V-oxychlorides. American Mineralogist, 81, 1350-1359.
Cairncross, B. (1997) The Otavi Mountain Land Cu-Pb-Zn-V Deposits, Namibia. Mineralogical Record 28(2), 109-132, 157. [p. 111]
Chetty, D. and Frimmel, H.E. (2000) The role of evaporites in the genesis of base metal sulphide mineralisation in the Northern Platform of the Pan-African Damara Belt, Namibia: geochemical and fluid inclusion evidence from carbonate wall rock alteration. Mineralium Deposita 35, 364-376.
von Bezing, L., Bode, R., and Jahn, S. (2008) Namibia Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag GmbH, Haltern, 241-245. (in English)
Changara, L. (2009) The lithological and structural controls on mineralisation at Kombat Mines, Otavi Mountainland, northern Namibia. Thesis University of Namibia, 480 pages.
Turner, R., Siidra, O.I., Rumsey, M.S., Krivovichev, S.V., Stanley, C.J., and Spratt, J. (2012) Hereroite and Vladkrivovichevite: two novel lead oxychlorides from the Kombat mine, Namibia. Mineralogical Magazine 76(4), 883-890.
Hawthorne, F.C., Abdu, Y.A., Ball, N.A., and Pinch, W.W. (2013) Carlfrancisite: Mn32+(Mn2+,Mg,Fe3+,Al)42(As3+O3)2(As5+O4)4[(Si,As5+)O4]6[(As5+,Si)O4]2(OH)42, a new arseno-silicate mineral from the Kombat mine, Otavi Valley, Namibia. American Mineralogist 98, 1693-1696.
Downs, R.T., Pinch, W.W., Thompson, R.M., Evans, S.H., and Megaw, L. (2016) Yangite, PbMnSi3O8·H2O, a new mineral species with double wollastonite silicate chains, from the Kombat mine, Namibia. American Mineralogist: 101: 2539-2543.
Chukanov, N.V., Nekrasova, D.O., Siidra, O.I., Polekhovsky, Y.S. and Pekov, I.V. (2017) Janchevite, IMA 2017-079. CNMNC Newsletter No. 40, December 2017, page 1581; Mineralogical Magazine: 81: 1577–1581.

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