| | Journal (article/letter/editorial) | 1007/s00126-012-0403-x ARTICLE The O’okiep Copper District, Namaqualand, South Africa: a review of the geology with...Abstract The O’okiep Copper District is the oldest formal mining area in South Africa. Between 1852 and...the 2,500 km2 area yielded two million tons of copper from 32 mines ranging in ore tonnages from 140...Koperberg Suite. Almost all of the copper in the O’okiep District occurs in the Koperberg Suite, of which...it is one of only two world examples of economic copper mineralization in rocks of the anorthosite–charnockite | | | Journal (article/letter/editorial) | Springer-Verlag 1983 The Copper-Bearing Basic Rocks of Namaqualand, South Africa J. R. Mclver and T. S....Johannesburg B. de V. Packham O'okiep Copper Company Limited Nababeep Copper mineralisation is associated with...irregularly-shaped bodies within the gneissic terrain of the Okiep District. These basic rocks comprise the so-called Koperberg...constitute one of the three major copper producers in South Africa. While a metasomatic origin was briefly...the geology of the Okiep Copper District (Fig. 1) and sevThe existence of the copper-bearing eral theories | | | Journal (article/letter/editorial) | country should he on view in the “city of gold.” South Africa is not well known for its institutional or statefunded...treasures of the earth. not only from South Africa but also from southern Africa as a whole and other regions...Mines and the Museum of the Geological Society of South Afiicil (Kennedy 1970). The Chamber of Mines collection...secretary and treasurer of the Geological Society of South Africu.) Several years later, in 1904, the collection...mammal-like reptiles from the famous Karoo region of South Africa, Cretaceous ammonites, Permian and Triassic | | | Journal (article/letter/editorial) | mobile belt along the Orange (Gariep) River, South Africa W.P. Colliston and A.E. Schoch Department of...the Free State, PO Box 339, Bloemfontein 9300, South Africa e-mail: colliswp.sci@mail.uovs.co.za; aesc@iafrica...aesc@iafrica.com © 2006 September Geological Society of South Africa ABSRACT Two periods of deformation have been...2819D-Dabenoris 2819COnseepkans, Geological Survey of South Africa, 1972, based on mapping done from 1941 to 1943;...correlation. Subsequent detailed mapping at scales SOUTH AFRICAN JOURNAL OF GEOLOGY, 2006, VOLUME 109 PAGE | | | Journal (article/letter/editorial) | talk on Fluorite Fantasies, a survey of the numerous crystallographic possibilities for fluorite within...Brilliant claim in the Ord Mountains, 25 kilometers south. Pickings of malachite and azurite were good enough...07:25 21 November 2015 Florida Phosphate Mining District. By then, it was getting late, and because the...Colorado Plateau, Silver Coin Mine, Goodsprings District, Hidden Treasure Mine, and More. That left the...in California with the Annual Symposium of the Northern California Mineralogical Association (NCMA) in | | | Journal (article/letter/editorial) | com/locate/lithos Low-rhenium molybdenite by metamorphism in northern Sweden: Recognition, genesis, and global implications...molybdenite-bearing samples from two small Mo districts in northern Sweden trace a 150 m.y. Paleoproterozoic Svecofennian...and protracted, Late Svecofennian anatexis in northern Sweden. The Kåtaberget Mo–(Cu, F) deposit is...batholith north of the economically-renown Skellefte district. Four different molybdenite samples from outcrop...(Björntjärn) and Munka Mo–(W) deposits in the Rappen district are represented by three outcrop and five drill | | 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 | | | Catalog/List | RAINBOW OF AFRICA GEM & MINERAL COLLECTION Front Cover: Gems from the Rainbow of Africa Collection... Heritage Signature® Auction #5236 The Rainbow of Africa Collection Gems & Minerals October 15, 2015 | New...Signature® Internet Session 2 Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 (HERITAGELive...RAINBOW OF AFRICA COLLECTION You have in front of you our presentation of the Rainbow of Africa Collection:...The mineral riches of Africa are not the only things making up the Rainbow of Africa Collection. For the | | | Journal (article/letter/editorial) | core-mantle boundary, which include superplumes under Africa and the Pacific Ocean, with 2) secondary plumes...et al. (2003) are located on antipodal regions, Africa and the central Pacific Ocean, where two massive...is cogenetic with the Karoo province of southern Africa. The emplacement of the Ferrar province was controlled...triple junction is the Afar triangle in the horn of Africa (Mohr, 1978). The Afar is a depression at the triple...African plume might extend along the EARS, to the south, offshore to the Comoros islands, and to the west | | | 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 ‘handbook 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; | | | Journal (issue) | siderite. Ferndale , Rhondda Fach, Mid Glamorgan , south Wales. Peter Wallace specimen and photograph. JOURNAL...vivianite H. Howard 93 NOTES Coronadite from the Northern Pennine Orefield, England B. Young, EX Hyslop...Host mineral Examples of applications Quartz Fluorite Halite Calcite Baryte Garnet Pyroxene Gold mineralisation...transparent minerals such as quartz, carbonates and fluorite (Table I). Fluid inclusions are generally small...crush-leach analysis. Fluids extracted from quartz and fluorite samples were analysed for F, Br, CI, I and S04 | | | Thesis/Dissertation | from the Namaqualand pegmatite belt, Northern Cape, South Africa by Minenhle Sinethemba Maphumulo Dissertation...Namaqua-Natal Metamorphic Province (NNMP) in Southern Africa at ca. 1 Ga. The central part of the belt is characterised...Namaqua-Natal Metamorphic Province (NNMP) in southern Africa hosts the 450 km long and 40-50 km wide Namaqualand...Ercit, 2005) with mineralisation that involves fluorite and minerals enriched in the high field strength...and fluorine with mineralisation that involves fluorite and minerals enriched in the high field strength | | | Book (edition) | colours once they occur in their oxidised states: Copper minerals then show green, blue, and sometimes red...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...Reflect. Mineral pinkish grey; slight 51.88 light copper red pink to very distinct with violet tint; violet | | | 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 | 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 | 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-Pilgrim’s 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 | | | 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... 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...02-50 Iodargyrite III/A.03-10 Calomel III/A.05-10 Fluorite III/A.08-10 X 572 574 576 578 Mineral Strunz-Group | | | Book | Germany Maarten J. de Wit, Port Elizabeth, South Africa François M. Roure, Rueil-Malmaison, France ...borders of Namibia and South Africa. They were split up in the Mesozoic during the south Atlantic Ocean opening”...Ortelius was the first to recognize the match of the South American and African Atlantic margins (Ortelius...translated to ‘if comparisons are made between Asia, Africa and Europe, it is clear that different areas in...Kontinente und Ozeane, Alfred Wegener considered South America, Africa, India and Australia as the main parts of | | Melcher, Frank, Graupner, Torsten, Gäbler, Hans-Eike, Sitnikova, Maria, Henjes-Kunst, Friedhelm, Oberthür, Thomas, Gerdes, Axel, Dewaele, Stijn (2015) Tantalum–(niobium–tin) mineralisation in African pegmatites and rare metal granites: Constraints from Ta–Nb oxide mineralogy, geochemistry and U–Pb geochronology. Ore Geology Reviews, 64. 667-719 doi:10.1016/j.oregeorev.2013.09.003 | Journal (article/letter/editorial) | Geology and Mineralogy, Royal Museum for Central Africa, MA c Leuvensesteenweg 13, 3080 Tervuren, Belgium...Introduction 2. Distribution of rare-element pegmatites in Africa, classification and mineralogy T 3. Methods ...Zimbabwe Craton (Zimbabwe) 4.1.4. Kaapvaal Craton (South Africa) MA 4.2. Paleoproterozoic (2500-1600 Ma) ...2. North-eastern DRC (Ubendian, Orientale and northern North Kivu) D 4.3. Neoproterozoic (1000-542...(1000-542 Ma) TE 4.3.1. Kibara Belt (east-central Africa) 4.3.1.1. Radiometric data CE P 4.3.1.2. Mineralogy | | | Book | North American Craton (less Greenland Shield) 1.6.6 South American Craton 1.6.7 African Craton 1.6.8 Indian...Wisconsin and Michigan 2.6.7 Wyoming Uplift 2.7 South American Craton 2.7.1 Guiana Shield 2.7.2 Central...Central Brazil Shield 2.8 African Craton: Southern Africa 2.8.1 Kaapvaal Craton 2.8.2 Limpopo Mobile Belt...8.3 Zimbabwe Craton 2.9 African Craton: Central Africa 2.10 African Craton: West African Craton and Trans-Saharan...2.11.1 Dharwar Craton 2.1 1.2 Granulite Domain (South Indian Highlands) 2.11.3 Eastern Ghats Belt 2.11 | | | Book | North American Craton (less Greenland Shield) 1.6.6 South American Craton 1.6.7 African Craton 1.6.8 Indian...Wisconsin and Michigan 2.6.7 Wyoming Uplift 2.7 South American Craton 2.7.1 Guiana Shield 2.7.2 Central...Central Brazil Shield 2.8 African Craton: Southern Africa 2.8.1 Kaapvaal Craton 2.8.2 Limpopo Mobile Belt...8.3 Zimbabwe Craton 2.9 African Craton: Central Africa 2.10 African Craton: West African Craton and Trans-Saharan...2.11.1 Dharwar Craton 2.1 1.2 Granulite Domain (South Indian Highlands) 2.11.3 Eastern Ghats Belt 2.11 | | | 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 | Billiton in London and the Geological Society of South Africa Trust. My colleagues at Wits were extremely...PGEbearing Merensky Reef, Bushveld Complex, South Africa. This unit and the ores within it can be altered...U-bearing conglomerate from the Witwatersrand Basin, South Africa. Quartz veins cutting this unit attest to the...of ore deposits as defined by the Australian and South African Institutes of Mining and Metallurgy. now...essentially only one element exists in the structure. Copper, silver, gold, and platinum are all characterized |
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