 | | Journal (article/letter/editorial) | | spinel associated with the Aggeneys Cu-Pb-Zn-Ag deposits, Namaqualand, South Africa P. G. Spry Department...pegmatites associated with the Aggeneys base metal deposits, Namaqualand, South Africa. Zincian spinel in, sulphidebearing...Zn-rich spinels represent guides to ore in the Aggeneys area and elsewhere in the Namaqualand Metamorphic...Fe-rich spinels occur within metres of sulphides at Aggeneys. Zincian spinel, or gahnite, [(Zn, Fe,Mg)A1204]...gahnite-bearing sulphide-free assemblages. On the local scale, Bernier et al. (1984) utilized the Z n O |  | | Journal (article/letter/editorial) | | sulphide partial melting at Broken Hill, Aggeneys, South Africa I: Petrography R.H. Bailie Department pf...Sciences, University of Cape Town, Private Bag, Rondebosch, 7700, South Africa, Present address: Paleoproterozoic...Box 524, Auckland Park, Johannesburg, 2006, South Africa, e-mail: glgy13@na.rau.ac.za or geo_russ@hotmail...Sciences, University of Cape Town, Private Bag, Rondebosch, 7700, Cape Town, South Africa e-mail: dlr@geology...dlr@geology.uct.ac.za © 2005 Geological Society of South Africa ABSTRACT The Broken Hill-type Ph-Zn-Cu-Ag massive |  | | Journal (article/letter/editorial) | | Swartberg Base Metal Deposit, Aggeneys-Gamsberg Ore District, South Africa Tarryn Kim Cawood†,* and Abraham...Private Bag X01, Matieland 7600, Republic of South Africa Abstract The polymetamorphosed Swartberg Cu-Pb-Zn-Ag...deposit in the Namaqua Metamorphic Province of South Africa is a major metal producer in the region, yet...mining town of Aggeneys, in the Bushmanland region of South Africa (Fig. 1). Despite the local importance...one of the primary base metal producers of the district and the site of active resource extension and |  | Bailie, R., Armstrong, R., Reid, D. (2007) The Bushmanland Group supracrustal succession, Aggeneys, Bushmanland, South Africa: Provenance, age of deposition and metamorphism. South African Journal of Geology, 110 (1) 59-86 doi:10.2113/gssajg.110.1.59 | Journal (article/letter/editorial) | | Bushmanland Group supracrustal succession, Aggeneys, Bushmanland, South Africa: Provenance, age of deposition and...Sciences, University of Cape Town, Private Bag, Rondebosch, 7700, South Africa Present address: Paleoproterozoic...O. Box 524, Auckland Park, Johannesburg, 2006. South Atrica e-mail: russellb®postgrad.uj.ac.za Richard...Sciences, University of Cape Town. Private Bag. Rondebosch, 7700, South Africa e-mail: dlr@geology.uct...uct.ac.z;i e 2007 March Geolt^cal Society of South Africa ABSTRACT The cenini] portion of the structurally |  | | Journal (article/letter/editorial) | | Associates Pty Ltd, PO Box 740, North Adelaide, South Australia 5006, Australia A R T I C L E I N F O...metamorphosed classes of deposits. Although the non-sulfide zinc deposits at Franklin and Sterling Hill, New Jersey...deposits. In addition, the Menninnie PbZn deposit, South Australia, is not a BHT deposit since mineralization...(Broken Hill, Black Mountain, Big Syncline, and Gamsberg), and Mt. Isa Block (e.g., Pegmont). Walters (1996)...(Broken Hill (Australia), Zinkgruvan, Menninnie Dam (South Australia; Beeson, 1990b), Balmat (New York), and |  | | Journal (article/letter/editorial) | | metamorphic suite of the Central Namaqua Mobile Belt (South Africa) A.P. Willner Institut ffir Mineralogie, Ruhr-Universit/it...Central Bushmanland area of the Northern Cape Province (South Africa). These are part of the same supracrustal...sequence as the large base metal deposits of Aggeneys and Gamsberg, however, in a different stratigraphic position:...Disseminated tourmalines from samples adjacent to the Aggeneys Zn-Pb-Cu deposit were also analysed for comparison...Lower Bushmanland Group. A Nd-Sm isochron age of 1649 Ma for amphibolites in the Koeris Formation is interpreted |  | | Journal (article/letter/editorial) | | SEDIMENTATION AND TERRANE AMALGAMATION IN SOUTHWESTERN AFRICA R. McG. MILLER Consulting Geologist, PO Box 11222...Society of South Africa ABSTRACT Mesoproterozoic crustal evolution of southwestern Africa involved a...collision in the Gordonia Subprovince. Thereafter, local intermittent magmatism and sedimentation continued...Pegmatites mark the final magmatic event at about 1000 Ma. The high-grade rocks of the Gordonia Subprovince...juxtaposed against low-grade terranes to the north and south during isostatic rebound on major, late-stage, dextral |  | | Journal (article/letter/editorial) | | METAMORPHISM OF THE AGGENEYS TERRANE, NAMAQUA METAMORPHIC COMPLEX, SOUTH AFRICA J.F.A. DIENER Department...Sciences, University of Cape Town, Private Bag X3, Rondebosch 7701, South Africa. e-mail: johann.diener@uct...2014 June Geological Society of South Africa ABSTRACT The Aggeneys terrane is a central part of the...path. Whereas the absolute P-T conditions for the Aggeneys terrane are lower than that of the granulite terranes...similar P-T paths. However, peak metamorphism in the Aggeneys terrane is inferred to have occurred during the |  | | Journal (article/letter/editorial) | | mid-Proterozoic Volcano-Sedimentary sequence in the Aggeneys Hills Duplex, Namaqua Metamorphic Complex W. P...colliswp@sci.uovs.ac.za © 2003 Geological Society of South Africa ABSTRACT The western part of the Mid-Proterozoic...tectonostratigraphic terranes, including the Aggeneys terrane. In the centre of the Aggeneys terrane occurs a duplex of...of five fold nappes, represented by the Aggeneys Hills. One of these, the Quarry fold nappe, contains sections...Broken Hill type deposits in other parts of the Aggeneys terrane. The exposed portion of the Koeris Formation |  | | Book (volume) | | Miroslav Pala~, Czechoslovakia Regional Councillors Africa............................... .... ..... M. A...America ........................ R. W. Boyle, Canada South America ......... ............... Alirio Bellezia...Rifts_and Aulacogens, with Special Reference to Africa ..... ................... ............ . Pavlova...Deposits Related to Infracambrian Rifting along Northern Gondwanaland ...................................Ore Deposits of the N amaquaJand, NW Cape Province, South Africa, and Their Implications on the Age of |  | | Journal (article/letter/editorial) | | diversifying into iron and steel manufacture; copper, lead, zinc, silver, gold and aluminium smelting and refining;...bauxite, limestone, manganese, uranium, silver, lead, zinc, copper, phosphate and gold mining elsewhere in...Hill district have undergone two events of high-grade metamorphism dated at about 1650-1700 Ma (Pidgeon...of granulite facies metamorphism at 1660 and 1590 Ma. The lower units of the stratigraphy have undergone...500 Ma and Pidgeon (1967) dated a pegmatite which transgresses a retrograde shear zone at 495 Ma. A possible |  | | 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 |  | | Book | | Australia Jim Graham 4th 1991 Pretoria, South Africa Sybrand de Waal 3rd 1989 Montréal, Canada...USA Donald Hausen 1st 1981 Johannesburg, South Africa S.A. Hiemstra INTERNATIONAL COUNCIL FOR APPLIED...since the inaugural meeting in Johannesburg, South Africa in 1981 and this decenary event perhaps heralds..., 93–773 Lombard, A., 80–665 Lor, Y.A., 44–369 M Ma, Y.H., 96–795 MacDonald, M., 50–419 Macé, N., 84–699...Tassinari, MMML 9 3 Metallogeny of Culampajá Gold District, Argentina Avila, JC, and Lazarte, JE 4 Systematic |  | | Journal (article/letter/editorial) | | Palaeoproterozoic Willyama Supergroup, Olary Domain, South Australia P. M. Ashley 1, B. G. Lottermoser 2, and...Palacoproterozoic Willyama Supergroup of the Olary Domain, South Australia. They have constitutional similarities...variable clastic components, together with the local effects of hightemperature metasomatic alteration...Palaeoproterozoic Willyama Supergroup of the Olary Domain, South Australia (Fig. 1) and they are also found at many...Domain geology Introduction The Olary Domain (OD) in South Australia comprises one of the inliers of the Palaeoproterozoic |  | | Report (issue) | | deposits . G. H. Gale 191 The major stratiform lead-zinc deposits of the Proterozoic . . I. B. Lambert 209...modern-style plate tectonics began by about 1000-800 Ma, the nature and style of early Proterozoic tectonics...granites, and ignimbrites in the in¬ terval, 1800-1000 Ma. Anderson summarizes the occur¬ rence of these rock...charnockites, most of which formed between 2700 and 1000 Ma and constitute a significant proportion of Proterozoic...25 Choudhuri, 1980 Gibb, 1980 Birrimian, West Africa 2.3-1.95 Sillitoe, 1979 Lynn Lake, Manitoba |  | | Journal (article/letter/editorial) | | Springer-Verlag 1994 Tourmaline in the central Swedish ore district R.H. Hellingwerf L2, K. Gatedal 3, V. Gallagher...investigated in the Mid-Proterozoic Bergslagen ore district of central Sweden. Some are spatially associated...Tourmaline is a common constituent in the world's largest zinc-lead, gold and tungsten deposits. These volcanogenic...volcanogenic stratabound and stratiform orebodies produce zinc, lead, copper, cadmium, silver, tungsten and gold...discovered tourmaline occurrences in the Bergslagen ore district, discusses the origin of the various tourmaline |  | | 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 | | Namibia rank amongst the top five mining countries in Africa. both in terms of production and reserves. In this...context, Namibia is a major producer of copper, lead, zinc, cadmium, arsenic, antimony, lithium, silver, fluorspar...century when the Gennan Colonial Office in South West Africa appointed Government Geologists to carry out...wait until 1926, when the Geological Survey of South Africa opened a branch office under the direction of...9 2.10 Chromium Cobalt-Nickel Copper Iron Lead-Zinc Manganese Molybdenum Tin Tungsten Vanadium 3. Rare |  | | Journal (article/letter/editorial) | | gondites and related manganese-bearing rocks from northern Ghana* FRANKMELCHER Institute of Geological Sciences...chemical sediments of the Birimian Supergroup in northern Ghana host several types of metamorphosed manganese-bearing...seafloor. During the Eburnean event (around 2000 Ma), the chemical sediments were metamorphosed to upper...Purkait, 1968), Guyana (Choubert, 1973), and West Africa (Neumann, 1988). Spessartine-quartz rocks are also...Australia (Spry and Wonder, 1989), and Gamsberg (Zn-Pb), South Africa (Rozendaal and Stumpfl, 1984), are |  | | Book | | fruition and where they develop depends on a host of local factors, but the broad environmental controls in...and possibly enrage some of those with first-hand local knowledge. To such people I can only offer an advance...their willingness to share freely of their time and local expertise with an itinerant academic. Without their.................. . 83 The Fresnillo Ag-Pb-Zn District, Zacatecas, Mexico .............................Massive Sulfide Deposits of the BathurstNewcastle District, New Brunswick, Canada Discussion of Tectonic |  | | Book (edition) | | Kidlington, Oxford OX5 1 GB, UK 225 Wyman Street, Waltham, MA 02451, USA Copyright © 2015, 2008 Elsevier B.V. All... Mineral Descriptions Molybdenite in Graphite; Bogala Mine, Sri Lanka 51 Copper, native Synonym(s): Cuivre...grey); North Mine (North Broken Hill Mine; NBH Mine), Broken Hill, Yancowinna Co., New South Wales, Australia;...vein in jasper (red internal reflections); Madenköy Mine, Çayeli, Rize Province, Black Sea Region, Turkey...argentite reaction rim (greenish grey; arg); Monte Narba Mine, San Vito, Cagliari Province, Sardinia, Italy; PPL |  | | Conference Proceedings (Volume) | | Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started...interpretive bedrock mapping in the Giyani area (South Africa) .. .........................................Etienne The statistical distribution pattern of zinc concentrations at Belousovskoye deposit (Rudny Altai)...area of the Kristineberg VHMS deposit, Skellefte district, Sweden .......................................A. Massive Zn-Cu-Pb deposits in the Røros ore district, Norway: setting and formation ............. |  | | 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...CONTRIBUTORS C.R. Anhaeusser, Witwatersrand, 1 Africa. Economic Geol.ogy Research Unit, University of...of Jan Smuts Avenue, Johannesburg 2001, South F.W.U. Appel, The Geological Survey of Greenland, Oster...USSR Academy of Sciences, Chernogolvka, Moscow district, U . S . S . H . J. Foden, Bureau of Mineral Resources |  | | Book | | Mineralization 4.10. A Comprehensive Example: The Cree de District, Colorado, USA 4.11. Summary 4.12. Recommended...Recommended Reading CHAPTER 11. SEDIMENT-HOSTED MASSIVE ZINC-LEAD SULFIDE (SMS) DEPOSITS 11.1. Introduction 11...571 572 CHAPTER 13. MISSISSIPPI VALLEY-TYPE (MVT) ZINC-LEAD DEPOSITS 13.1. Introduction 13.2. Distinguishing...disseminating the information, the mine geologists and mine managers who have made the mine visits a rewarding experience...mineral deposits (e.g., deposits of copper, lead, zinc, iron, gold, etc.), from which one or more metals |  | | Book | | reasons for the approach taken Mineral deposit or mine? A genetic model as the basis for exploration The...188 197 201 211 212 SEDIMENT-HOSTED COPPER-LEAD-ZINC DEPOSITS 21S 6.1 6.2 6.3 216 6.4 6.5 6.6 7...Sediment-hosted copper deposits Syngenetic and diagenetic lead-zinc deposits in shales and carbonates (sedimentary-exhalative...(sedimentary-exhalative deposits) Epigenetic carbonate-hosted lead-zinc deposits (Mississippi Valley-type) Exploration for...Unconformity-type uranium deposits of the Northern Territory, Australia and Northern Saskatchewan, Canada Sandstone-hosted |
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