 | | Journal (article/letter/editorial) | | with the mid-Proterozoic Gamsberg Zn-Pb deposit, Namaqua Province, South Africa M. STALDER AND A. ROZENDAAL*...Building, Private Bag X1, Stellenbosch 7600, South Africa ABSTR ACT Granular aggregates of fine-grained...iron formations associated with the Gamsberg Zn-Pb deposit, South Africa. To date, these minerals were believed...together with Mn- and Pb-rich apatite and calcian pyromorphite in a pristine unit of almost pure chemical precipitates...basemetal mineralizing process. Evidence from Gamsberg supports previous studies conducted on pegmatitehosted |  | | Journal (article/letter/editorial) | | Mesoproterozoic Broken Hill-type Gamsberg Zn–Pb deposit, Namaqua Province, South Africa Received: 24 January 2003...polymetallic sulfide ore of the Gamsberg deposit in central Bushmanland, South Africa. Their shape, zonal features...Stellenbosch, Private Bag X1, 7602 Matieland, South Africa E-mail: ar@sun.ac.za Tel.: +27-21-8083122 Fax:...exploration guide in similar basins elsewhere. Keywords Gamsberg Zn–Pb deposit Æ Broken Hill-type Æ Phosphorites...Goodfellow 1984, 1999). In the Mesoproterozoic Gamsberg Zn–Pb deposit, P forms an important constituent |  | | Journal (article/letter/editorial) | | with the Broken Hill-type Gamsberg Zn-Pb deposit, Namaqua Province, South Africa M. Stalder Department of...Stellenbosch, Private Bag X1, Matieland 7602, South Africa email: mstalder@freesurf.ch A. Rozendaal Department...7602, South Africa Corresponding author: ar@sun.ac.za © 2005 Geological Society of South Africa ABSTRACT...metamorphosed Bushmanland sequence of South Africa. In the Gamsberg Zn-Pb deposit, barite has been effectively...separate deposit towards the eastern part of the Gamsberg inselberg. The barite occurs as massive to laminated |  | | 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 (edition) | | Kidlington, Oxford OX5 1 GB, UK 225 Wyman Street, Waltham, MA 02451, USA Copyright © 2015, 2008 Elsevier B.V. All...polysyngreen thetic Libethenite Molybdite Malachite Pyromorphite yes grey to brown although generally isotropic... 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 |  | | 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 |  | | 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 | | Sediment-Hosted Stratiform Deposits of Copper, Lead, and Zinc. . Lewis B. Gustafson and Neil Williams 139 An...Relationship to Red-Bed Copper and CarbonateHosted Lead-Zinc Deposits.A. Bjfirlykke and D. F. Sangster 179 ...making a profit. Initially incorporated in the District of Columbia, the Publishing Company was reincorporated...than one ore zone. The abundant concentration of zinc in addition to copper corresponds to the concentration...of the Proterozoic, beginning 3,000 m.y. ago in Africa and 2,500 m.y. ago elsewhere. These basins received |
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