 | | Journal (article/letter/editorial) | | THF,Postmasburg manganese field,situated in the Northern replacement of the countryrockbymanganeseCapeProvince...in twodistinctbeltsof deposits, the so-called Western Trnter et al., 1938; De Villiers, 1960; Boardman...In contrast Schneiderh6hn (1931)suggested in the south(Fig. 1). Miningof the manganese orescom- Borchert...ng AnalyticalTechniques the centralpartof the Gamagara ridge.Siliceous oresoccur in the Easternbelt alongthe...southernextremitiesof the Gamagara manganese oresamples, covering all macroscopically distinct ridge (Fig. 1; Hall |  | | Journal (article/letter/editorial) | | manganese ores of the Postmasburg manganese field, South Africa J. GUTZMERAND N. J. BEUKES Department of Geology...University, P.O. Box 524, Auckland Park, 2006, South Africa Abstract The diagenetic to very low-grade metamorphic...mainly of braunite group minerals, including braunite, partridgeite and bixbyite, with rare braunite II and...and Ca-poor, silica-depleted braunite. Iron-poor partridgeite is distinguished from Fe-rich bixbyite and...Ca-poor, silica-depleted braunite is reported for the first time, Braunite and partridgeite formed during |  | Costin, Gelu, Fairey, Brenton, Tsikos, Harilaos, Gucsik, Arnold (2015) Tokyoite, As-Rich Tokyoite, and Noélbensonite: New Occurrences From the Postmasburg Manganese Field, Northern Cape Province, South Africa. The Canadian Mineralogist, 53 (6) 981-990 doi:10.3749/canmin.1500063 | Journal (article/letter/editorial) | | THE POSTMASBURG MANGANESE FIELD, NORTHERN CAPE PROVINCE, SOUTH AFRICA GELU COSTIN Department of Geology...Rhodes University, P.O. Box 94, Grahamstown 6140, South Africa Department of Earth Science, MS-126 Rice University...Rhodes University, P.O. Box 94, Grahamstown 6140, South Africa ARNOLD GUCSIK Department of Geology, University...University of Johannesburg, Johannesburg, South Africa ABSTRACT Samples of manganese-rich rock containing...area in the Northern Cape Province of South Africa. The samples consist of fine-grained braunite, hematite |  | | Book | | 2. Model Test Area: Moanda Deposit, Gabon, West Africa 2.2.2.1. Introduction 20 20 23 23 23 25 25 27...Postmasburg Region, Griqualand West, Cape Province, South Africa 3.3.1. Geological Setting 3.3.2. Genesis...3.3.2.2. The Main Manganese Deposits: Bishop, Lohatlha, Glosam, and Kapstewel, Postmasburg Region, Griqualand...Manganese Ore Formation Manganese Ore Deposits of North Africa: Imini, Morocco 3.4.1. Geological Setting 3.4.2...of the Western Ukraine 3.5.2. Zone of Oxidation and Karst Ore Accumulation of the Enisei Ridge Mn Deposits |  | | Report (issue) | | SURVEY OF SOUTH AFRICA COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA MINERALOGY OF SOUTH AFRICA:... COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA Scientific Editor R.D. Dixon Linguistic and...Council for Geoscience (Geological Survey of South Africa), 280 Pretoria Street, Silverton, Pretoria or........................... 69 5.1 Overview of South African Occurrences ..............................LAYEREDSUITE,BUSHVELDCOMPLEX.... 111 MINERALOGY OF SOUTH AFRICA: TYPE-MINERAL SPECIES AND TYPE-MINERAL NAMES |  | | Journal (article/letter/editorial) | | Medicine and Health University of Wollongong New South Wales 2522, Australia malcolms@uow.edu.au DIASPORE...village of Kosoi Brod, approximately 27 kilometers south of Ekaterinburg, in Sverdlovsk Oblast, Russia (www...has a special interest in minerals from southern Africa and the United Kingdom. Volume 95, March/April...became Zultanite Gems LLC), which re-opened the mine for both metabauxite ore and diaspore crystals,...probable braunite and bixbyite, 11.6 cm, from the Lohatlha mine, Postmasburg manganese field, Northern Cape |  | | Journal (article/letter/editorial) | | Deposit—Kalahari Manganese Ore Field (Northern Cape, South Africa): Geochemistry of Isotopes (δ13C and...carbonate inclusions in the Mamatwantype oxide ores (braunite lutites) made it possible to reveal residual microbial...1134/S0024490212030054 The Northern Cape manganese ore province (South Africa) is confined to the Kalahari...of ore material in slightly altered manganese (braunite) lutites taken from the Mamatwan deposit, the...Manganese ores of the Kalahari Desert (Northern Cape province, South Africa) are confined to rocks of the Hotazel |  | | Book | | Superior, the Ungava belt of Canada, and of the Transvaal Supergroup of South Africa, are syntheses considerably...University, Auckland Park, PO 524, Johannesburg 2000, South Africa. J.A. BUNTING Exploration Department, BHP...Mines, Mineral House, 6 6 Adelaide Terrace, Perth Western Australia 6000, Australia. W.E. EWERS Unit 1...1 6 , 1 2 8 Forrest Street, Peppermint Grove, Western Australia 6011. Australia. B.J. FRYER Department...Proprietary Co. Ltd., 37 St. Georges Terrace, Perth, Western Australia 6000, Australia. H.J. HOFMANN Department |  | | 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; |  | | Report (volume) | | Mineral Foundation 63 Conyngham Street Glenside South Australia 5065 Australia (Orders: Tel. (08) 379-0444...Mineralogy and geochemistry of Archaean greenstone belt-hosted Mn formations and deposits of the Dharwar...Penganga Group of the Pranhita-Godavari valley, South India NICHOLSON, K., NAYAK, V. K. & NANDA, J. K...nodules with particular reference to the tropical South Pacific VON STACKELBERG, W. Growth history of manganese...Mn-oxide mineralization of Kato Nevrokopi, Macedonia, northern Greece: controls on formation of the Mn 4+ oxides |
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