 | | 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...structure known as the Maremane dome. The bulk of South Africa’s iron ore production is currently provided...megaton Sishen iron ore mine on the northern end of the dome, and the smaller Assmang Beeshoek mine on the...the southern closure. The undeveloped Sishen South deposit, which contains ,400 Mt of high-grade hematite |  | | 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...peak metamorphic conditions. It is suggested that local variations of the metamorphic mineral association...Transvaal Supergroup, manganese ore, Postmasburg, South Africa. Introduction TIlE manganese ores of the Postmasburg...Supergroup is overlain unconformably by red beds of the Gamagara Formation of the late Palaeoproterozoic (2.2-1 |  | | Journal (article/letter/editorial) | | deposits of the Postmasburg manganese-field, South Africa E. von Plehwe-Leisen, D.D. Klemm Department...r t h e r n C a p e P r o v i n c e / S o u t h Africa. T h e y are a s s o c i a t e d to a geological...events. Local geology The stratigraphic development of the Griqualand West Sequence in the Northern Cape...the lithostratigraphic classification of SACS (South African Committee for Stratigraphy) of 1980 is used...The erosional period in the North, East and the South of the Maremane Dome lasted until Asbestos Hills |  | | Journal (article/letter/editorial) | | of the Transvaal Supergroup, Griqualand West, South Africa HUBERT WIGGERING FB 9 Geologic, Universittit...University, P.O. Box 524, 2000 Johannesburg (South Africa) (Received February 12, 1989; accepted June...of the Transvaal Supergroup, Griqualand West, South Africa. Precambrian Res., 46: 241-258. A 4-m-thick...km northwest of Hotazel in Griqualand West, South Africa. The paleo-alteration profile is developed on...(Fig. 1A). It is al- TRANSVAAL SUPERGROUP, SOUTH AFRICA most invariably characterized by oxidation |  | | Journal (article/letter/editorial) | | THF,Postmasburg manganese field,situated in the Northern replacement of the countryrockbymanganeseCapeProvince...In contrast Schneiderh6hn (1931)suggested in the south(Fig. 1). Miningof the manganese orescom- Borchert...ores of the Postmasburg mangacurrently minedat Sishen (VanSchalkwyk andBeukes,1986) nesefieldandprovides...ng AnalyticalTechniques the centralpartof the Gamagara ridge.Siliceous oresoccur in the Easternbelt alongthe...100 the northernand southernextremitiesof the Gamagara manganese oresamples, covering all macroscopically |  | | Journal (volume) | | Banded Iron Formation-Hosted Hematite Ore Deposits John G. McLellan and Nicholas H. S. Oliver 185 Part...Warren Thorne, Steffen Hagemann, Adam Webb, and John Clout v 197 Chapter 9: The Itabirites of the...Approach to the Sishen South Iron Ore Deposit, Northern Cape Province, South Africa, and Its Implication...Deposit, Simandou Range, Republic of Guinea, West Africa I. L. Cope, J. J. Wilkinson, A. J. Boyce, J. B...ore exploration project in the Northern Cape province of South Africa. He completed his B.Sc. (Hons) |  | De Kock, M.O., Monareng, B.F., Blignaut, L., Smith, A.J.B., Beukes, N.J. (2020) Geochemistry of Paleoproterozoic saprolite developed in diabase intruding the Hotazel Formation in the Avontuur deposit of the Kalahari Manganese Field, South Africa. South African Journal of Geology, 123 (1). 1-18 doi:10.25131/sajg.123.0001 | Journal (article/letter/editorial) | | Avontuur deposit of the Kalahari Manganese Field, South Africa M.O. De Kock, B.F. Monareng, L. Blignaut, A... Box 524, Auckland Park 2006, Johannesburg, South Africa e-mail: mdekock@uj.ac.za; bfmonareng@gmail.com;...njbeukes@uj.ac.za © 2020 Geological Society of South Africa. All rights reserved. Abstract A diabase sill...Avontuur deposit of the Kalahari Manganese Field of South Africa displays an 8 m thick paleosaprolitic weathering...base of the ~2.0 Ga red-bed succession of the Gamagara Formation of the Elim Group (Keis Supergroup) |  | | 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...Manganese Ore Formation Manganese Ore Deposits of North Africa: Imini, Morocco 3.4.1. Geological Setting 3.4.2...ancient glaciers, and the glaciation epoch of the northern countries - in Scotland, in Scandinavia, in Finland...northeastern part of Russia, in states of Canada and the Northern Ameriea - they are found here in rivers, where |  | | Journal (article/letter/editorial) | | plumes—Zhang Zhaochong, Hao Yanli, Wang Fusheng, and John J. Mahoney 40 Origin, age and significance of pseudotachylites...biogenic nanocrystalline sphalerite and wurtzite—John W. Moreau, Richard I. Webb, and Jillian F. Banfield...Fleet Empressite, AgTe, from the Empress-Josephine mine, Colorado, U.S.A.: Composition, physical properties...Mulder, Ishmael Hassan, Wilson A. Crichton, and John B. Parise ANALYTICA CHIMICA ACTA Vol. 5024, No....the Sishen and Sishen South (Welgevonden) iron ore deposits, Northern Cape Province, South Africa—M.D |  | | 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...great diversity and magnitude of South African mineral deposits and local mining operations, the Economic...Chamber of Mines of South Africa with Mr G. H. Grange as co-ordinator, and the South, African mining industry; |  | | Report (issue) | | famous Mesoarchean Witwatersrand Supergroup in South Africa that contains Earth’s largest gold-uranium deposits...post-depositional processes in uranium ores at the Stanleigh mine, Elliot Lake, Ontario, Canada.....................glacier-associated sediments of the Neoproterozoic of south China: Oceanic anoxia or sulfate limitation? .....botryoids at a 350 Ma fossil warm spring at the Tynagh mine, Ireland: (A) The top surface (field of view measures...seepage mound favored—depending on solutes and local pH—development of siderite, ferrous hydroxide, and/or |  | | Journal (article/letter/editorial) | | from a Paleoproterozoic (2.2 Ga) paleosol in South Africa Gregory J. Retallack a,∗ , Evelyn S. Krull b...R.O. Land and Water, Waite Campus, Glen Osmond, South Australia 5064, Australia Department of Geosciences...Available online xxx Keywords: Paleosol Lichen South Africa Paleoproterozoic Hekpoort Basalt a b s t r...2 Ga Hekpoort Formation near Waterval Onder, South Africa, are here described and named Diskagma buttonii...Hekpoort Formation, near Waterval Onder, Transvaal, South Africa (Figs. 1–3; Table 1). These structures were |  | Chen, Jin, Mao, Xiancheng, Deng, Hao, Liu, Zhankun, Wang, Qi (2020) Three-dimensional modelling of alteration zones based on geochemical exploration data: An interpretable machine-learning approach via generalized additive models. Applied Geochemistry, 123. 104781pp. doi:10.1016/j.apgeochem.2020.104781 | Journal (article/letter/editorial) | | School of Geosciences and Info-Physics, Central South University, Changsha 7 410083, China 8 *Corresponding...zones in the 68 Dayingezhuang area of Jiaodong district, China, in which an interpretable machine-learning...general understanding of alterations in the Jiaodong district. 81 2. Geological background and conceptual...intercepted 106 by drill holes in the northern Dayingezhuang district (Ma et al., 2017). The Zhaoping 107...These data extensively cover the Dayingezhuang district and include one surface geological 256 map (1:50 |  | | Book | | Bruckard CSIRO Mineral Resources Flagship, Clayton South, VIC, Australia J.M.F. Clout Ironist Pty Ltd, Nedlands...Deev CSIRO Mineral Resources Flagship, Clayton South, VIC, Australia E. Donskoi CSIRO Mineral Resources...Flagship, Clayton South, VIC, Australia N. Haque CSIRO Mineral Resources Flagship, Clayton South, VIC, Australia... Clayton South, VIC, Australia R.J. Holmes CSIRO Mineral Resources Flagship, Clayton South, VIC, Australia...Jahanshahi CSIRO Mineral Resources Flagship, Clayton South, VIC, Australia A. Jankovic Metso Process Technology |  | Vollgger, Stefan A., Wilson, Christopher J.L., Micklethwaite, Steven, Tomkins, Andrew G., Cruden, Alexander R. (2020) Ore shoots in folded and fractured rocks – Insights from 3D modelling of the Fosterville gold deposit (Victoria, Australia) Ore Geology Reviews, 118. 103272 doi:10.1016/j.oregeorev.2019.103272 | Journal (article/letter/editorial) | | They are distributed in elongate zones to form south plunging ore shoots within a folded and fractured...do not parallel the first order, gently (≤10˚) south-plunging folds. Instead the orientation of the ore...geochemical dataset provided by Fosterville gold mine. The dataset consists of over 285,000 gold assay...city of Bendigo (Fig. 1A). Since November 2016, the mine is operated by Kirkland Lake Gold Ltd after merging...provided in GDA94 / MGA Zone 55 (EPSG::28355); no mine grid was used. 4.1 3D gold trend model In order |  | | 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 | | genesis of metamorphic polymetallic deposits of Northern Bavaria (1932—1939) he supported the theory of...on Similar Occurrences Borcher swith in West Africa (Gabon, Angola etc.). PISUTeS etree tes es ee...of the Manganese Deposits of the Northern Cape Province (South Africa). P.G. Sohnge. With 1 Figure. ....Genesis of the King Island (Tasmania) Scheelite Mine. U. BurCHAT = Par rere ctl eo AU eA «Aes, fy AU...and Associated Magnetite Ore from the Pocheon Iron Mine (Korea). Chil-Sup So. With 7 Figures... .. Geochemistry |  | | 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 | | Paleosol and Ore-Forming Processes in the Elliot Lake District of Canada D. J. Mossman, C. E. G. FarroII' . ...Formation Sandstone of the Pine Creek Geosyncline, Northern Territory. Australia A. R. Miller, R. S. Needham...Biological and Abiological Sulfate Reduction in Two Northern Australian Proterozoic Basins T H. Donnelly, I...sediments are reported from both Australia and South Africa (e.g., Barley et ai. 1979; Watchorn 1980; Lowe...conglomerate in the Witwatersrand Supergroup of South Africa (e.g., Kimberley 1978). Like the Huronian, the |  | | Book | | and Geologic Factors Affecting Its Distribution John A. Barron 164 vi CONTENTS PART III: BEDDED...in the Jurassic Siliceous Rocks of the Inuyama District, Central Japan 181 Ryo Matsumoto 9 Chert-Hosted...their classifications, as Lucien Cahen has done in Africa and the Tectonic Map Committee in Australia. If...are not necessarily equivalent worldwide, because local repetitions are common. As Cahen pointed out, a...important in the Swazian (3.4 b.y) near Havelock, South Africa, and in the 2.9-b.y.-old Keewatin volcanics |  | | Book | | important but complex issue of the social license to mine. The final chapter provides a lively discussion of...Hitzman, Richard Kyle, Kurt Kyser, Eric Marcoux, John Thompson and Olivier Vidal for reading selected...knowledge of mineral economics and global trade from local media and other popular sources of information,...Ganino, Jon Hronsky, Emilie Janots, Elaine Knuth, John Ludden, Tony Naldrett, Jérôme Nomade, Michel Piboule...the Global Mineral Market The Social Licence to Mine. . . . . . . . . . . . . . . . . . 6.8.1 Pebble |  | | Report (issue) | | Mineral Deposits of Northern Cordillera Proceedings of the Mineral Deposits of Northern Cordillera Symposium...Ste-Anne-de-Bellevue, Quebec FOREWORD "Mineral Deposits of Northern Cordillera" was the title of a symposium held...Canada and the Department of Indian Affairs and Northern Development (DIAND), the symposium illustrated...in information available on mineral deposits of Northern Cordillera; and (2) to rise one step up in collective...long lasting reference volume for workers in the Northern Cordillera. N.C. Carter (former Chairman of the |  | | Journal (article/letter/editorial) | | Hydroboracite Hydromagnesite Hydrozincite Hypersthene Illite Ilmenite Ilvaite Indite Indium native Inyoite Iranite...salinity as a result of devolatilization of subducted South Pennic rocks. During the Paleogene orogeny under...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is first and foremost recognized | | | Journal (article/letter/editorial) | | Hydroboracite Hydromagnesite Hydrozincite Hypersthene Illite Ilmenite Ilvaite Indite Indium native Inyoite Iranite...salinity as a result of devolatilization of subducted South Pennic rocks. During the Paleogene orogeny under...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is first and foremost recognized |  | | Book | | Hamersley Basin of Australia, the Transvaal of South Africa, and the Lake Superior and Labrador Trough regions...Hamersley Basin of Australia and the Transvaal of South Africa, sequences have been compared in detail by Button...Rapitan Group of northern Canada (Young 1976, fig. 5), but others are known from South America (Jacadigo...(Jacadigo Series), South Africa (Damara Supergroup) and Australia (Umberatana Group). All are Upper Proterozoic...it is an iron-rich variety of illite-srnectite. As in the aluminous illite-smectites, there is a close |
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