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Quartz from
Okorusu Mine, Otjiwarongo Constituency, Otjozondjupa Region, Namibia


01023780017369444549510.jpg
Quartz

Okorusu Mine, Otjiwarongo Constituency, Otjozondjupa Region, Namibia
06167210017369444547345.jpg
Quartz

Okorusu Mine, Otjiwarongo Constituency, Otjozondjupa Region, Namibia
01023780017369444549510.jpg
Quartz

Okorusu Mine, Otjiwarongo Constituency, Otjozondjupa Region, Namibia
06167210017369444547345.jpg
Quartz

Okorusu Mine, Otjiwarongo Constituency, Otjozondjupa Region, Namibia
01023780017369444549510.jpg
Quartz

Okorusu Mine, Otjiwarongo Constituency, Otjozondjupa Region, Namibia
06167210017369444547345.jpg
Quartz

Okorusu Mine, Otjiwarongo Constituency, Otjozondjupa Region, Namibia
Locality type:Open-Cast Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Fluorite113
Calcite10
Goethite3
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Okorusu Mine, Otjiwarongo Constituency, Otjozondjupa Region, Namibia
Data Identifiers
Mindat Occurrence Record ID:150652
Long-form Identifier:1:3:150652:5
GUID (UUID V4):0
Nearest other occurrences of Quartz
29.3km (18.2 miles) ⓘHopewell Farm 240, Outjo, Kunene Region, Namibia
29.6km (18.4 miles) ⓘPlatveld Mine, Burgerhof Farm 482, Platveld area, Otavi Constituency, Otjozondjupa Region, Namibia
29.7km (18.5 miles) ⓘWolfshaag Farm 574, Platveld area, Otavi Constituency, Otjozondjupa Region, Namibia
30.2km (18.7 miles) ⓘErhardshof Farm 575, Platveld area, Otavi Constituency, Otjozondjupa Region, Namibia
30.4km (18.9 miles) ⓘSiemenshof Farm 576, Platveld area, Otavi Constituency, Otjozondjupa Region, Namibia
31.7km (19.7 miles) ⓘOtjikoto prospect, Platveld area, Otavi Constituency, Otjozondjupa Region, Namibia
32.4km (20.1 miles) ⓘErpsfarm 107 (Erpfsfarm 107), Platveld area, Otavi Constituency, Otjozondjupa Region, Namibia
45.0km (27.9 miles) ⓘOkaruhuiput Farm 336, Platveld area, Otavi Constituency, Otjozondjupa Region, Namibia
48.8km (30.3 miles) ⓘOrupoko Farm 486, Platveld area, Otavi Constituency, Otjozondjupa Region, Namibia
61.7km (38.3 miles) ⓘParesis Volcanic Complex, Outjo, Kunene Region, Namibia
References
Fluorite: The Collector's Choice. Extra Lapis English No. 9
Van Zijl, P.J. 1962. The geology, structure and petrology of the alkaline intrusions of Kalkfeld and Okorusu and the invaded Damara rocks. Annale Universiteit van Stellenbosch, Serie A, 37, 237-339.
Prins, P. 1981. The geochemical evolution of the alkaline and carbonatite complexes of the Damaraland igneous province, South West Africa. Annale Universiteit van Stellenbosch, Serie A1, Geologie, 3, 145-278.
Weninger, H. (1972): Zwei bemerkenswerte Mineralvorkommen in Südwestafrika. Der Karinthin 66, 280-284.
Harris, Chris (1995) Oxygen isotope geochemistry of the Mesozoic anorogenic complexes of Damaraland, northwest Namibia: evidence for crustal contamination and its effect on silica saturation. Contributions to Mineralogy and Petrology, 122 (3) 308-321 doi:10.1007/s004100050130
MILNER, S. C., LE ROEX, A. P., O'CONNOR, J. M. (1995) Age of Mesozoic igneous rocks in northwestern Namibia, and their relationship to continental breakup. Journal of the Geological Society, 152 (1). 97-104 doi:10.1144/gsjgs.152.1.0097
Le Roex, A. P., Lanyon, R. (1998) Isotope and Trace Element Geochemistry of Cretaceous Damaraland Lamprophyres and Carbonatites, Northwestern Namibia: Evidence for Plume--Lithosphere Interactions. Journal of Petrology, 39 (6) 1117-1146 doi:10.1093/petroj/39.6.1117
Bühn, B., Rankin, A.H., Schneider, J., Dulski, P. (2002) The nature of orthomagmatic, carbonatitic fluids precipitating REE,Sr-rich fluorite: fluid-inclusion evidence from the Okorusu fluorite deposit, Namibia. Chemical Geology, 186 (1) 75-98 doi:10.1016/s0009-2541(01)00421-1
Lohmeier, S., Machleidt, J., Klemd, R., Ellmies, R. (2023) Okorusu tailings – Part II: REE mineralisation, and oxygen and carbon isotope variations. South African Journal of Geology, 126 (3) 315-336 doi:10.25131/sajg.126.0015
 
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