 | | Journal (article/letter/editorial) | | PETROGRAPHICAL CHARACTERISTICS OF THE KOPERBERG SUITE, SOUTH AFRICA -- AN ANALOGY TO MASSIF-TYPE ANORTHOSITES? ...of the Orange Free State, Bloemfontein 9301 (South Africa) (Received October 15, 1984; revision accepted...Petrographical characteristics of the Koperberg Suite, South Africa -- an analogy to massif-type anorthosites? Precambrian...3000 km 2 in the northwestern Cape Province (Namaqualand), South Africa. The intrusive suite is renowned...renowned for its associated magmatic copper sulphide deposits. Transgressive field relationships and the preservation |  | CLIFFORD, T. N., BARTON, E. S., RETIEF, E. A., REX, D. C., FANNING, C. M. (1995) A Crustal Progenitor for the Intrusive Anorthosite--Charnockite Kindred of the Cupriferous Koperberg Suite, O'okiep District, Namaqualand, South Africa; New Isotope Data for the Country Rocks and the Intrusives. Journal of Petrology, 36 (1) 231-258 doi:10.1093/petrology/36.1.231 | Journal (article/letter/editorial) | | WITWATERSRAND, PRIVATE BAG 3, WITS 2050, JOHANNESBURG, SOUTH AFRICA "BERNARD PRICE INSTITUTE FOR GEOPHYSICAL RESEARCH...UNIVERSITY OF THE WITWATERSRAND, JOHANNESBURG, SOUTH AFRICA 'DIVISION OF EARTH, MARINE AND ATMOSPHERIC SCIENCE...SCIENCE AND TECHNOLOGY, CSIR, PRETORIA, SOUTH AFRICA ā¢DEPARTMENT OF EARTH SCIENCES, UNIVERSITY OF LEEDS...suggest mines have been established in the O'okiep District in the a crustal-melt source for the intrusive...metamorphism in the O'okiep District is The two principal copper-producing areas in South recorded by a Rb-Sr |  | | Journal (article/letter/editorial) | | Springer-Verlag 1995 Genesis of the Precambrian copper-rich Caraiba hypersthenite-norite complex, Brazil...1994 Abstract. Caraiba, the largest Brazilian copper deposit under exploitation, consists mostly of...to the Koperberg Suite from the Okiep copper district, South Africa, and to that in many massif-type...Precambrian high-grade terrain. Others are found in South Africa (the Koperberg Suite; L o m b a a r d et al...complexes are notable for their rich copper mineralisation: the Brazilian, South African and Russian examples |  | Le Bras, Loic Y., Bolhar, Robert, Bybee, Grant M., Nex, Paul A. M., Guy, Bradley M., Moyana, Thabitha, Lourens, Paulien (2021) Platinum-group and trace elements in Cu-sulfides from the Loolekop pipe, Phalaborwa: implications for ore-forming processes. Mineralium Deposita, 56 (1). 161-177 doi:10.1007/s00126-020-01005-4 | Journal (article/letter/editorial) | | is characterized by veins of chalcopyrite with cubanite exsolution. The third mineralization phase relates...Witwatersrand, Braamfontein, Johannesburg 2001, South Africa 2 Department of Geology, University of Johannesburg...2006, South Africa 3 Palabora Mining Company Limited, 1 Copper Road, Phalaborwa 1389, South Africa Despite...area of about ~ 18 km2 and is elongated in a north-south direction (Fig. 1). It was originally emplaced as...granites and gneisses of the Kaapvaal Craton, South Africa (Wu et al. 2011). Previous studies aimed at |  | Bath, A. B., Cooke, D. R., Friedman, R. M., Faure, K., Kamenetsky, V. S., Tosdal, R. M., Berry, R. F. (2014) Mineralization, U-Pb Geochronology, and Stable Isotope Geochemistry of the Lower Main Zone of the Lorraine Deposit, North-Central British Columbia: A Replacement-Style Alkalic Cu-Au Porphyry. Economic Geology, 109 (4) 979-1004 doi:10.2113/econgeo.109.4.979 | Journal (article/letter/editorial) | | Main zone of the Lorraine alkalic porphyry Cu-Au district, BC, Canada, is hosted in an intrusive complex...porphyry deposits are an important resource of copper, gold, and silver in British Columbia, Canada....(indicated) at 0.61% copper and 0.23 g/t gold and 28.823 Mt (inferred) at 0.45% copper and 0.19 g/t gold...predominantly along narrow tracks and escarpments in the northern area of the Lower Main zone. Country rocks are...fabric. Fine-grained biotiteK-feldspar rocks in the northern area of the Lower Main zone are unmineralized |  | | Book (edition) | | colours once they occur in their oxidised states: Copper minerals then show green, blue, and sometimes red...various Cu-Fe-S-phases (e.g., chalcopyrite bornite, cubanite, and others) in a bi-directional redox reaction...tenorite and/or malachite plus azurite; native copper and cuprite are less common in this suite. Right...bright green gold-yellow, silver-white (Ag) to copper-red (Cu); 72.26 very light grey with yellowish...92.20 isotropic yes Copper, native gold-yellow, silver-white (Ag) to copper-red (Cu); 82.00 light |  | Karykowski, Bartosz T., Maier, Wolfgang D., Groshev, Nikolay Y., Barnes, Sarah-Jane, Pripachkin, Pavel V., McDonald, Iain (2018) Origin of Reef-Style PGE Mineralization in the Paleoproterozoic Monchegorsk Complex, Kola Region, Russia. Economic Geology, 113 (6) 1333-1358 doi:10.5382/econgeo.2018.4594 | Journal (article/letter/editorial) | | famous Merensky reef in the Bushveld Complex of South Africa (e.g., Cawthorn, 2010), it is of particular...Ga, thus producing the Fennoscandian Shield of northern Europe (HƶlttƤ et al., 2008). In the Paleoproterozoic...Monchetundra; PPL; sample 15MT-05. Abbreviations: cbn = cubanite, ccp = chalcopyrite, cpx = clinopyroxene, ol =...mineralogy is dominated by pyrrhotite, chalcopyrite, cubanite, and pentlandite with minor pyrite (Fig. 6E)....whereas broadly coeval komatiites and picrites from northern Finland have >30 ppm Zr (Hanski et al., 2001) |  | | Book (edition) | | Compounds, Carbides, Nitrides, Phosphides and Silicides Copper I/A.01-10 4 Silver I/A.01-20 6 Gold I/A.01-40 8...Sulphosalts II/A - Alloys and Alloy-like Compounds, with Copper, Silver, Gold and Nickel Algodonite II/A.01-10...Greenockite II/C.13-30 Enargite II/C.14-10 II/C.14-20 Cubanite II/C.14-30 Sternbergite II/C.14-40 Argentopyrite... Selenium and Tellurium < 1:1, Tellurides with Copper, Silver and Gold Linnaeite II/D.01-20 320 Polydymite...Sb,Bi = x), Sulfosalts with Predominant Iron and Copper x = 2.0 Berthierite II/E.01-10 458 Wittichenite |  | | Journal (article/letter/editorial) | | sulļ¬de deposits: A cautionary case study from the northern Bushveld Complex Jennifer W. Smith a,b, David...Grasvally NoriteāPyroxeniteāAnorthosite (GNPA) member, northern Bushveld Complex was used as a case study based...integrated emplacement and contamination model for the northern limb of the Bushveld Complex. Although the multitude...149 We use a magmatic sulļ¬de deposit from the northern limb of the Bushveld Complex; the Grasvally N...GNPA member is located in the northern limb of the Bushveld Complex, south of the YsterbergāPlanknek Fault |  | | Book (edition) | | OF OF SOUTH AFRICA MINES GEOLOGICAL SURVEY MINERAL RESOURCES OF REPUBLIC OF THE SOUTH AFRICA...Second World War, and partly as a result of it, South Africa experienced vast industrial expansion. This...official āhandbook on the mineral resources of South Africa, it has become necessary to revise, or rather...reason of the great diversity and magnitude of South African mineral deposits and local mining operations...Chamber of Mines of South Africa with Mr G. H. Grange as co-ordinator, and the South, African mining industry; |  | | Book | | Salvador Porphyry Copper Deposit, Chile .................................. . Porphyry Copper Deposits in Island...Porphyry Copper Deposit, Bougainville, Papua New Guinea ......... . Genetic Models for Porphyry Copper Deposits...1.2.5 1.2.6 1.2.7 1.2.8 1.3 1.3.1 1.3.2 1.3.3 Copper-Bearing Breccia Pipes ............ . 22 23 24...Magnetite Deposits ............... 1.6.2 Manto-Type Copper Deposits .............. 64 66 1.7 67 Discussion.................. . 83 The Fresnillo Ag-Pb-Zn District, Zacatecas, Mexico .......................... |  | | Conference Proceedings (Volume) | | org Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations...million tonnes of ore containing 67 100 tonnes of copper, 51 700 tonnes of silver and 1,9 tonnes of gold...different types of Ni-laterite profiles from the northern Caribbean: a geochemical comparison . . ........charnockitic footwall of the Spruce Road deposit, South Kawishiwi intrusion, Duluth Complex, Minnesota,...Geochemistry of the Sakatti magmatic Cu-Ni-PGE deposit, northern Finland .................................... |  | | Book | | talc vug in 1997, is 1.7 cm long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...which they called the Bentley Lake Road occurrence, south of Bancroft. Sharp, flattened rhombohedral ilmenite...Girardville, itself 40 km northwest of Lac Saint-Jean in south-central Quebec, very large and sharp ilmenite Cl)...the town of Amsteg, subordinate drainages running south to Val Caverdiras; ilmenite rose-bearing clefts |  | | Book | | knowledge and understanding of the Archaean geology of South India. Among his pioneering works are studies of...well-preserved Archaean terrains, such as in the South Indian shield, and to build up and test models...Mineral Development of the Karnataka and Chitradurga Copper Corporation. He was responsible for starting several...ventures to exploit chromite, vii iron, manganese, copper, bauxite and clay deposits. It is a measure of...CONTRIBUTORS C.R. Anhaeusser, Witwatersrand, 1 Africa. Economic Geol.ogy Research Unit, University of |  | | Book | | Corporation of South Africa, the Chair of Economic Geology at Rhodes University, South Africa, and since...appointments at the Astrobiology Centre, University of New South Wales, Sydney, and the China University of Geosciences...which has included work in Europe, southern Africa, South East Asia, New Zealand, the southwest Pacific...Felsic Phase of the Bushveld Igneous Complex, South Africa . . . . . . . . . . . 4.3.6 The Sn-W Deposits.... . . . . . . . 4.4.4 Sabie-Pilgrimās Rest, South Africa . . . . . . . . . . . . . . . . . 4.4.5 Capricorn |  | | Book | | Pretorius 117 Sediment-Hosted Stratiform Deposits of Copper, Lead, and Zinc. . Lewis B. Gustafson and Neil...Lead Deposits and their Relationship to Red-Bed Copper and CarbonateHosted Lead-Zinc Deposits.A. Bjfirlykke...Bjfirlykke and D. F. Sangster 179 Porphyry Copper Deposits Part I. Geologic Settings, Petrology, and Tectogenesis...making a profit. Initially incorporated in the District of Columbia, the Publishing Company was reincorporated...whatever the origin of its magmas. It contains as much copper as nickel, a sign of progressing geochemical evolution |
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Okiep Copper District, Namakwa District Municipality, Northern Cape, South Africa