 | Pack, A., Gutzmer, J., Beukes, N. J., van Niekerk, H. S., Hoernes, S. (2000) Supergene Ferromanganese Wad Deposits Derived from Permian Karoo Strata along the Late Cretaceous-Mid-Tertiary African Land Surface, Ryedale, South Africa. Economic Geology, 95 (1) 203-220 doi:10.2113/gsecongeo.95.1.203 | Journal (article/letter/editorial) | | 95, 2000, pp.203â220 Supergene Ferromanganese Wad Deposits Derived from Permian Karoo Strata along...CretaceousâMid-Tertiary African Land Surface, Ryedale, South Africa A. PACK,â ,* J. GUTZMER, N. J. BEUKES, H. S....University, P.O. Box 524, Auckland Park 2006, South Africa AND S. HOERNES Mineralogisch-Petrologisches...unknown type of ferromanganese wad deposit is described at the Ryedale mine situated 110 km west of Johannesburg...Johannesburg in the northwestern province of South Africa. The wad was derived from supergene alteration of |  | | Journal (issue) | | affiliated with the Friends of Mineralogy publisher John S. White Division of Mineralogy The Smithsonian...Arthur Roe Famous Mineral Localities: The Brumado District, Bahia, Brazil..................................Thomssen, Walt Risch, Star Northam, Carolyn Wilson, John Muntyan and Wayne DeBrusk assisted with record keeping...Brazil) Pierre and Nellie Bariand (Paris, France) F. John Barlow (Appleton, WI) Ron Bentley (Windsor, CT)...Cureton, David Wilber, Miguel Romero, Richard Webster, John Barlow and Rustam Kothavala made cash donations |  | | Journal (article/letter/editorial) | | minerals(Hew- portant contributionshave been made by John de ett and Fleischer,1960), and the GriqualandWest...0861-0128/88/192/1108-1152.50 Mn DEPOSITS, SOUTH AFRICA 1109 Geologic Framework .⢠â˘:â˘:â˘:â˘:â˘:â˘:â˘:â˘:â˘:â˘...Stellenbosch). 1110 j. E. DE VILLIERS proximatelynorth-south,and regionalshearingand (includingmetamorphic deposits)...interval of more than a thousand phorite, chalcophanite,wad, ranceite,and haeterolmillion years did sedimentationin...Morocco,for instance,hausmanniteand janekke,70 km south-southwest of Postmasburg. It was cobsiteoccurin |  | | Journal (issue) | | 85741 Editor & Publisher Wendell E. Wilson Founder John Sampson White Associate Editors Pierre Bariand Sorbonne...Zeolites and associated minerals from the Palabora mine, Transvaal........................................& R. S. W. Braithwaite The Lake George antimony mine, New Brunswick ..................... 263 by W. E...Kalahari m an g an ese field, C ape Province, South Africa. (See th e article in this issue, b eg in n...d e r n M in e r a l C o l l e c t io n CURATION John Sampson White Department of Mineral Sciences Smithsonian |  | | Report (issue) | | Strategic Minerals Inventory Summary Report-Manganese By John H. DeYoung, Jr., David M. Sutphin, and William F...Federal Republic of Germany, the Republic of South Africa, and the United States of America 1984 CIRCULAR...Products Section, U. S. Geological Survey, 604 South Pickett Street, Alexandria, VA 22304 FOREWORD...phase of the inventory. The report was prepared by John H. DeYoung, Jr., and David M. Sutphin of the U.S...F. Cannon (chief compiler), USGS; Ian Goldberg, South African Department of Mineral and Energy Affairs |  | | 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...'ostmasburg v ,6p Fe-deposit v V ž v v ⢠v ž v Cape Town'â˘v v v â˘. v v v v Fâ˘c. 1. Regional...withlow-angle uneonformity byLate Beeshock in the northern and southern extremities of the domewheretheyconstitute...conglomerate finesupwardinto a sucFormationalongthe north-south-striking, westerlydipping The Doornfontein BlackRidgethrust |  | | Journal (article/letter/editorial) | | Kleyenstuber (1984) on thc Kalahari manganese ores of South Africa suggest that braunite ! is a product of sedimentary-diagenetic...sedimentary-diagenetic to very low grade metamorphism, (Mamatwan-type ores) while braunite II is characteristic...present, together with hausmannite, bixbyite and 'wad'. The identification of hausmannite and bixbyite... The braunite from the Hotazel Formation of South Africa belongs to at least three types (Kleyenstuber...Kleyenstuber, A. E. S. (1984) Trans. Geol. Soc. South Africa, 87,257-72. Muhling, P. C. and Brakel, A. T |  | | Journal (article/letter/editorial) | | or lumped together with the output of a larger local mine. The locality registered in the literature is...of an orebody (or orebodies). At the old Crimora Mine in Virginia (Eilertsen and Feiss, 1946), "about...20% Mn-oxide fragments, concretions and powdery wad coatings. (d) Selectivehand mining and sorting produces...actual average Mn grade of well under 5%. lain, South Dakota: 1% M n ) are involved. In global speculations...credited with 1045 Mn mines. This amounts to one mine per 362 km 2. Canada, on the other hand, has only |  | | Journal (article/letter/editorial) | | 960-1004 Precambrian Iron-Formations of Southern Africa N.J. BEUKES Abstract From existing information...1966) and Ierru#inous SOUTHERN Africa is definedas that part of Africa sedimentary rockslessthan 15 percentiron...percentiron. In this southof approximately16ø south-latitude and in- paper,the 15 percentboundaryis not...contentbecauseof a generallack of chemicalanalyses. South West Africa, and Mozambique. This rela(2) Iron-formationis...commonlithologic detailedstudyon iron-formation in southern Africa variety of iron-formationand consistsof chert mesoare |  | | 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 âhandbook 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; |  | | Journal (article/letter/editorial) | | iron formations in Australia, South Africa, Asia, and North and South America. The source of some of...et al., 1999) in the Transvaal Supergroup of South Africa (Beukes, 1978, 1983; Beukes and Klein, 1990)...Witwatersrand basin in South Africa and the uranium ores of the Elliot Lake district in Canada is still being...has been more usefully applied to exploration and mine development in the Witwaterstrand basin than the...studies of the socalled Schagen âpaleosolâ in South Africa (Martini, 1994, Watanabe et al., 2000). A restudy |  | | Report (volume) | | Mineral Foundation 63 Conyngham Street Glenside South Australia 5065 Australia (Orders: Tel. (08) 379-0444...Penganga Group of the Pranhita-Godavari valley, South India NICHOLSON, K., NAYAK, V. K. & NANDA, J. K...ores of the GhoriajhorMonmunda area, Sundergarh District, Orissa, India: geochemical evidence for a mixed...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 |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | with Illustrations by ERIC DOWTY SHAPE SOFTWARE JOHN WILEY & SONS, INC. NEW YORK - CHICHESTER - WEINHEIM...printed on acid-free paper. Copyright Š1997 by John Wiley & Sons, Inc. All rights reserved. Published...should be addressed to the Permissions Department, John Wiley & Sons, Inc., 605 Third Avenue, New York,...(1844) and all but one other have been published by John Wiley. The System was the first book Wiley (then...Asselborn, M.D.: Montrevel-en-Bresse, Ain, France. F. John Barlow: Appleton, Wisconsin. Peter Bayliss: Mineralogy |  | | Report (issue) | | holdings. Prior to 1978, the development of complete mine property cost evaluations was impeded by still evolving...tool. Systems design work also continued on the mine simulation (MINSIM) program, an economic evaluation...operations and are influenced by factors as diverse as local tax policy and mineral deposit type. For example...reserves. These include implications that because a mine is operating it is profitable, that reported reserves...prices, which are variable over the life of the mine. Economic evaluation is complicated by the presence |  | | Book (edition) | | mistake' These words, written about ore deposits by John Woodward in 1695, are every bit as true today as...communities to be plunged into unemployment because a mine or mines have become unprofitable, a need to earn...for diamonds is worldwide but that for bricks is local. Formal organized markets have developed in various...for, and hence the price of, the mine product, well in advance of mine development. A useful recent discussion...critical in the USA, but in the Republic of South Africa (RSA), a major source of all three, they are |  | | Journal (article/letter/editorial) | | 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 mineâ. This includes the imperative âif you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is ďŹrst and foremost recognized...(Fig. 03.02). Chromium deposits of this type in South Africa and Zimbabwe contribute to more than 90% to | | | Journal (article/letter/editorial) | | 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 mineâ. This includes the imperative âif you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is ďŹrst and foremost recognized...(Fig. 03.02). Chromium deposits of this type in South Africa and Zimbabwe contribute to more than 90% to |  | | Book (edition) | | book is respectfully dedicated to the memory of Dr. John Sinkankas for his kind initiative and support to...Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....the sequence North and South America and Greenland, then Europe, Asia, Africa, Australia, and Antarctica)...pegmatitic origin in the same sequence: North and South America and Greenland, then Europe, etc. For some |  | Kogel, Jessica Elzea, Trivedi, Nikhil C., Barker, James M., Krukowski, Stanley T. - Eds. (2006) Industrial Minerals and Rocks (7th ed.) Society for Mining, Metallurgy, and Exploration, Inc., Littleton, CO. | Book (edition) | | . . . . . . . . . . . . . . . . . . . . . . . . Mine Safety and Health Law . . . . . . . . . . . . ....Bloomington, Indiana Stratum Resources Sydney, New South Wales, Australia Sara M. Robinson Consulting Geologist...Brick Research Center Clemson University Anderson, South Carolina James M. Barker Dennis P. Bryan New...Wyoming State Geological Survey Laramie, Wyoming John H. Dooley MineSet Partners LLC Rockaway, New Jersey...Research and Development Institute Cairo, Egypt John S. Hayden Department of Materials Science and Engineering |
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