 | Basson, I.J., Anthonissen, C.J., McCall, M.J., Stoch, B., Britz, J., Deacon, J., Strydom, M., Cloete, E., Botha, J., Bester, M., Nel, D. (2017) Ore-structure relationships at Sishen Mine, Northern Cape, Republic of South Africa, based on fully-constrained implicit 3D modelling. Ore Geology Reviews, 86. 825-838 doi:10.1016/j.oregeorev.2017.04.007 | Journal (article/letter/editorial) | | Ore-Structure Relationships at Sishen Mine, Northern Cape, Republic of South Africa, Based on Fully-Constrained...Ore-Structure Relationships at Sishen Mine, Northern Cape, Republic of South Africa, Based on Fully-Constrained... Ore-Structure Relationships at Sishen Mine, Northern Cape, Republic of South Africa, Based on Fully-Constrained...West, South Africa 2 Sishen Iron Ore Company (Pty) Ltd., Private Bag X506, Kathu, 8446, South Africa...Kumba Iron Ore, Corporate Office, Centurion Gate, 124 Akkerboom Road, Centurion, 0157, South Africa Abstract |  | | Journal (article/letter/editorial) | | the Sishen and Sishen South (Welgevonden) iron ore deposits, Northern Cape Province, South Africa M. D...Palaeo-Proterozoic Transvaal Supergroup in the Northern Cape Province of South Africa is host to the largest known resources...being exploited at Sishen and Beeshoek. Hematite occurrences on the Sishen South exploration project...project (some 65 km south of Sishen mine) are, at present, the focus of an intensive investigation. At both...both the Sishen and Sishen South deposits, mineralisation is found within lithologies belonging to the Transvaal |  | Stoch, B., Anthonissen, C. J., McCall, M-J., Basson, I. J., Deacon, J., Cloete, E., Botha, J., Britz, J., Strydom, M., Nel, D., Bester, M. (2018) 3D implicit modeling of the Sishen Mine: new resolution of the geometry and origin of Fe mineralization. Mineralium Deposita, 53 (6) 835-853 doi:10.1007/s00126-017-0784-y | Journal (article/letter/editorial) | | 1007/s00126-017-0784-y ARTICLE 3D implicit modeling of the Sishen Mine: new resolution of the geometry and origin of...Springer Nature 2017 Abstract The Sishen deposit is one of the largest iron ore concentrations in current...faults that show relatively minor uplift to the south, probably due to the Lomanian Namaqua-Natal Orogeny...ore volumes, implying that Fe mineralization at Sishen cannot be exclusively attributed to supergene enrichment...enrichment and concentric palaeosinkhole formation. Keywords Iron ore . Structural interpretation . Implicit |  | | Journal (article/letter/editorial) | | c development of the Sishen South (Welgevonden) iron ore deposit, South Africa, as deduced from ground...Palaeoproterozoic Transvaal Supergroup in the northern Cape Province of South Africa hosts high grade (.60%Fe) hematitic...hematitic and specularitic iron and manganese mineralisation. The mineralisation is primarily exposed along...known as the Maremane dome. The bulk of South Africa’s iron ore production is currently provided by two...megaton Sishen iron ore mine on the northern end of the dome, and the smaller Assmang Beeshoek mine on the |  | | Journal (volume) | | Economic Geology Volume 15 BANDED IRON FORMATION-RELATED HIGH-GRADE IRON ORE Editors S. Hagemann, C...Economic Geology, Vol. 15 Banded Iron Formation-Related High-Grade Iron Ore S. Hagemann, C. Rosière...Companhia Vale do Rio Doce (Vale) TIER 2 Kumba Iron Ore ASSMANG TIER 3 Centre for Exploration Targeting...Biographies vii Introduction: Banded Iron Formation-Related High-Grade Iron Ore Steffen Hagemann, Carlos...Origin of Banded Iron Formations Chapter 1: Origin and Paleoenvironmental Significance of Major Iron Formations |  | | Journal (article/letter/editorial) | | The geology and genesis of high-grade hematite iron ore deposits N. J. Beukes, J. G utzmer and J. M ukhopadhyay...some two years ago, of high-grade iron ore deposits in South Africa, India and Brazil, including a comparison...Large, high-grade hematite iron ore bodies hosted by Precambrian banded iron formations are the world’s...world’s most important source of iron ore. Despite their great economic importance, the origin of these deposits...of BIF-hosted high-grade hematite iron ore deposits in South Africa, India, Western Australia and Brazil |  | | Journal (article/letter/editorial) | | (CPO) OE HEMATITE ORES EROM THE SISHEN MINE, NORTHERN CAPE PROVINCE, SOUTH AERICA H. SIEMES Institut fCir...Society of South Africa ABSTRACT Banded iron fonnatiotis (BIFs) are described as banded chetiiical sedimentary... hematite and quartz, with variable atnounts of iron bearing tiiinerals like carbonates (e.g. siderite...tratisforined to high grade iron ores by removal of quartz and transformation of almost all iron bearing minerals...can be determined by neutron diffraction and the local texture on small areas of polished sections by electron |  | | Journal (article/letter/editorial) | | understanding the genesis of manganese deposits in southern Africa and how some of these relate to laterites, paleoclimatic...isotope signatures in Precambrian rocks from South Africa. Through this mutual contact, Jens enquired... I approached Associated Manganese Mines of South Africa and they made a small research grant available...highgrade ores along normal faults in the Nchwaning mine.” It was the start of Jens’ “career” in manganese...high-grade manganese ores along normal faults on the mine. This achievement is even more remarkable if one |  | | Journal (article/letter/editorial) | | Paleoproterozoic red shales of the Gamagara/Mapedi Formation, Postmasburg Group, South Africa Kosei E. Yamaguchi Institute...ohmoto@geosc.psu.edu © 2006 March Geological Society of South Africa ABSTRACT The occurrence of red shales in Precambrian...samples from the ~2.2 Ga Gamagara/Mapedi Formation of the Postmasburg Group, South Africa were analyzed for...constrain the timing and mechanism of red shale formation. These data suggest that the red shales were detrital...sediments was additional source of Fe3+ for red shale formation. Geochemical evidence thus supports the existence |  | | Journal (article/letter/editorial) | | low-grade iron ore deposits in metamorphosed banded iron formations, Northern Province, South Africa Received:...of low-grade iron ore would be quite unique in a South African context as South Africa is well endowed...high-grade iron ore resources. Low-grade iron ore, de®ned as containing between 20 and 47% iron, is thought...thought to be the primary iron-bearing lithology from which most high-grade ore deposits formed, through...enrichment. The low-grade iron ores in the Northern Province represent meta-banded iron formations (BIFs), with |  | | Journal (article/letter/editorial) | | series of hematite samples (.98 % Fe2O3, Sishen Mine, South Africa) with different initial grain sizes of...piezometer is applied to itabiritic hematite ores of the Iron Quadrangle, Minas Gerais, Brazil, consisting mainly...Fe2O3 is an important iron-bearing mineral and the most world-wide mined iron ore. Exploration and exploitation...mechanical properties in order to understand the formation and deformation conditions of prospective ore...deformation conditions and genesis of this important iron ore. In particular, the size of recrystallized grains |  | | Journal (article/letter/editorial) | | Lime Limited, Private Bag, 8410 Lime Acres, South Africa Received: 8 July 1994/Accepted: 9 December 1994...m). There, the largest limestone deposits of South Africa are located. The deposit at Lime Acres and mining...early Proterozoic, the Kaapvaal craton of southern Africa hosted three major sub-basins, in which clastic...Province of South Africa, the Griqualand West basin in the northern Cape Province of South Africa, and the...three basins the carbonates are overlain by banded iron formation (BIF) deposits. Because of the lack of continuous |  | Fairey, Brenton J., Timmerman, Martin J., Sudo, Masafumi, Tsikos, Harilaos (2019) The Role of Hydrothermal Activity in the Formation of Karst-Hosted Manganese Deposits of the Postmasburg Mn Field, Northern Cape Province, South Africa. Minerals, 9 (7) 408 doi:10.3390/min9070408 | Journal (article/letter/editorial) | | in the Formation of Karst-Hosted Manganese Deposits of the Postmasburg Mn Field, Northern Cape Province...Province, South Africa Brenton J. Fairey 1,† , Martin J. Timmerman 2 , Masafumi Sudo 2 and Harilaos Tsikos...Geology, Rhodes University, Grahamstown 6139, South Africa Correspondence: h.tsikos@ru.ac.za Current address:...Postmasburg Manganese Field (PMF), Northern Cape Province, South Africa, once represented one of the largest...siliceous manganese ores. Prevailing models of ore formation in these two belts invoke karstification of manganese-rich |  | | Journal (article/letter/editorial) | | 301-318 I Stuttgart 1990 Polygenetic lateritic iron ores on BIF's in Minas Gerais/Brazil By J. WEGGEN...figures and 1 plate Zusammenfassung Aus der FERTECO-mine, Eisernes Viereck, M.G. Brasilien, werden Mineralogie...Proterozoischer Verwitterungsgesteine tiber BIF's (banded iron formation) gedeutet werden mtissen, beschrieben. Die...cocTaBaermbix nopo~aMn BbmeTpm~anmq,.3 perriona Ferteco-mine, M.G. Bpa3Hnm4. Hponcxo:~(~e~He ~x CB~IBbIBatOTC...the weathering processes in the BIF's (banded iron formation) of the Ferteco area, M.G. Brazil. A several |  | | Journal (article/letter/editorial) | | Deposit—Kalahari Manganese Ore Field (Northern Cape, South Africa): Geochemistry of Isotopes (δ13C and...Kalahari manganese field suggest that manganese ore formation was widespread at the postsedi mentary stage...1134/S0024490212030054 The Northern Cape manganese ore province (South Africa) is confined to the Kalahari...southeastern Kalahari Desert (Fig. 1) 60 km north of the Sishen Settlement. The province accommodates huge manganese...Desert (Northern Cape province, South Africa) are confined to rocks of the Hotazel Formation. Together |  | | Journal (article/letter/editorial) | | in the Lower Proterozoic sequences of southern Africa Patrick G. Eriksson a and Eric S. C h e n e y b"...Geology, University of Pretoria, Pretoria 0002, South Africa bDepartment of Geology, Rand Afrikaans University...University, P.O. Box 524, Johannesburg 2000, South Africa (Received January 10, 1991; accepted after revision...southern Africa. Precambrian Res., 54: 257-269. Strata > 2.5 to ~< 1.8 Ga in southern Africa appear to...rocks, ironstones, or banded iron formations, which evidently were sources of iron for the matrices. However |  | | Journal (article/letter/editorial) | | Model of the Formation of the Banded Iron Formation in the Transvaal Supergroup/South Africa D. D. Klemm...angewandte Geologic der Universit~.t M~Jnchen, FRG Banded iron formations of the so called • Lake Superior Type...5 to 1.7 billion years. This implies that their local occurrence is strictly limited to the precambrian...world iron resources. In spite of their importance and of numerous models to explain their formation no...genesis of the banded iron formations without contradictions. In South Africa, too, banded iron formations |  | | Journal (article/letter/editorial) | | significance of the Transvaal succession of southern Africa and its equivalent in Western Australia E.S. Cheney...northeastern part of the Kaapvaal Province of southern Africa is the erosional remnant of four, 2.7 to 2.1 Ga...contains the quartz arenites, dolomites, and banded-iron formations of the Transvaal and Griqualand West...Kaapvaal. The Penge Iron Formation in northeastern Kaapvaal, the Asbesheuwels Iron Formation in southwestern...Kaapvaal and the Brockman Iron Formation in the Piibara are the same formation, in which cyclothemic units |  | | Book | | Developments in Precambrian Geology 6 IRON-FORMATION: FACTS AND PROBLEMS DEVELOPMENTS IN PRECAMBRIAN...MEL’NIK Precambrian Banded Iron-formations. Physicochemical Conditions of Formation DEVELOPMENTS IN PRECAMBRIAN...PRECAMBRIAN GEOLOGY 6 IRON-FORMATION FACTS AND PROBLEMS Edited by A.F. TRENDALL Geological Survey,...c a t i o n Dai:, Main entry under title: Iron-formation, facts and problems. (Developments in Pl’ecmbrian...c) I n c l u d e s bibliograrhies ;rd index. 1. Iron ores. I. Trendall, A. F. (Alec FraEcis) 11. Morris |  | | Journal (article/letter/editorial) | | 1973, pp. 960-1004 Precambrian Iron-Formations of Southern Africa N.J. BEUKES Abstract From existing...information on the iron-formationsof southernAfrica the following conclusions are drawn: (1) The iron-formations...metamorphicbelt, four cratonicbasins,and a mobilebelt. (2) The iron-formations rangein age from nearlythe earliestgeologictime...000m.y. (3) Basedon their stratigraphicsetting,the iron-formationscan be classifiedas having volcanic,clastic...in the iron-formationsof the volcanicassociationwas derivedfrom acid volcanism,whereasthe iron in thesedeposits |  | | Journal (article/letter/editorial) | | 572-581 ALTERED PYROCLASTIC ROCKS IN SOUTH AFRICAN IRON-FORMATION GENE L. LABERGE ABSTRACT Hundredsof...is madewith similar stilpnomelane-rich layers in iron-formationfrom Western Australia. The presenceof...volcanic activity during much of the time the iron-formation was beingdeposited. INTRODUCTION ON•. of the...possiblerelationshipbetweenvolcanismand the deposition of iron-formation.The reasonfor the controversy is the fact...evidence for volcanicactivitycontemporaneous with iron-formation deposition hasbeenrecognized.AlthoughmanyA |  | | Journal (article/letter/editorial) | | Banded Iron Formation to Blue Dust: mineralogical and geochemical constraints from the Precambrian Jilling-Langalata...Venkatesh2 Numerous economic deposits of high-grade iron ores occur in the Singhbhum-Orissa Craton, in Eastern...centimetre scale Archaean Banded Iron Formation units have been converted to steel grey, iron rich fine grained...found above the Fe-rich primary host rock known as Banded Haematite Jasper. Mineralogical observations indicate...minerals. Silica removal is the primary control of iron enrichment. Geochemical and field observations indicate |  | | Journal (article/letter/editorial) | | Griqualand West basin, Transvaal Supergroup, South Africa were dated using the Perth Consortium Sensitive...for the middle and the upper part of the Nauga Formation indicate that the decompacted sedimentation rate...for the upper Gamohaan Formation and 2555 š 19 for the upper Monteville Formation, indicate that some 2000...facies of the Schmidtsdrif Subgroup and Monteville Formation accumulated with decompacted sedimentation rates...rates of around 20 B. For the Kuruman Banded Iron Formation a decompacted sedimentation rate of up to 60 |  | | Journal (article/letter/editorial) | | the Transvaal Sequence and Bushveld Complex, South Africa P.G. Eriksson 1, P.J. Hattingh 1, and W. Altermann...Geology, Universityof Pretoria, Pretoria 0002, South Africa 2 Institut ffir Allgemeine und Angewandte Geologic...mineralized, the former containing large deposits of iron, manganese, asbestos, andalusite, gold, fluorine...predominantly volcanic succession (Rooiberg Group-Loskop Formation) is restricted to the Transvaal basin. A common...the Kaapvaal craton of southern Africa, and contain large deposits of iron, manganese, asbestos, andalusite |  | | Book | | Manganese Ores of Supergene Zone: Geochemistry of Formation by IGOR M. VARENTSOV Geological Institute, Russian...2. Model Test Area: Moanda Deposit, Gabon, West Africa 2.2.2.1. Introduction 20 20 23 23 23 25 25 27...ofthe Ore-Bearing Horizon 2.2.2.3. Genesis: Ore Formation as a Result of Deep Supergene Alterations (Lateritization)...Geochemistry of the Late Stages of Oxyhydroxide Ore Formation (Manganese Cap (Cuirass» 2.2.3.3.1. General characteristics...the Protore Alteration (Formation ofthe Primary Residual Ores) 2.2.3.5. Formation History of the Major Manganese |
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Sishen Mine, Kathu, Gamagara Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa