 | | Journal (article/letter/editorial) | | todorokite from the Kalahari manganese field, South Africa J. Gutzmer and Nicolas J. Beukes Department...University, P.O. Box 524, Auckland Park 2006, South Africa e-mail: jg@na.rau.ac.za; njb@na.rau.ac.xa ABSTRACT...braunite-kutnahorite lutite at the Smartt Mine in the Kalahari manganese field, South Africa. Geological evidence and...place during Tertiary uplift and tilting of the South African Subcontinent. Careful chemical studies of...-oxyhydroxides, with fibre lengths up to 10cm, occur at Smartt mine in the Kalahari manganese field. The occurrence |  | | 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 |  | | Report (issue) | | X-ray Powder Pattern: N’Chwaning mine, Kuruman district, South Africa. (ICDD 38-475). 9.555 (100), 2.399...Total 99.24 99.27 4+ 2+ K Na ) (Mn Mn (1) Todoroki mine, Japan; corresponds to (Ca0.48 Mn2+ 0.40 0.08 5...01 Mg0.17 )Σ=6.00 O12 • 3.62H2 O. (2) Tarantana mine, Cuba; corresponds to (Mn2+ 0.49 Na0.25 2+ • Ca0...manganese nodules. Association: Pyrolusite, cryptomelane, romanèchite, manganite, rhodochrosite, quartz...from: the Todoroki mine, south of Ginzan, Hokkaido, Japan. On Groote Eylandt, Northern Territory, Australia |  | | Journal (article/letter/editorial) | | Department of Geology, University of Johannesburg, South Africa e-mail: nickvafeas@gmail.com; ljolly@uj.ac.za;...Meffre@utas.edu.au © 2018 June Geological Society of South Africa. Abstract The manganese ore of the Hotazel...the Blackridge thrust fault (Van Niekerk, 2006). SOUTH AFRICAN JOURNAL OF GEOLOGY 2018 • VOLUME 121.2 PAGE...with the only analytical samples arising from the south of the Kalahari deposit (Gutzmer et al., 2012)....limestones of the Mooidraai Formation (Figure 1B). SOUTH AFRICAN JOURNAL OF GEOLOGY Downloaded from https://pubs |  | | Journal (article/letter/editorial) | | University RO. Box 524 AucWand Park, 2006 Gauteng, South Africa . . .*.’. Corresponding author: bc @na.rau...just south of the great Kalahari Desert on the vast plains of the Northern Cape Province of South Africa...of the Transvaal Supergroup rocks (black) in South Africa. B: Enlarged portion of Griqualand West showing...and one of the few economic centers of the Northern Cape Province. Kuruman is also the preferred home...live in the mine villages of Hotazel and Black Rock. These were established by SAMANCOR (South African Manganese |  | | 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 |  | | 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) | | separated iron from 30 manganese to produce cryptomelane microbialites, which agglutinated to form manganese...initially transformed the manganese oxides into cryptomelane and 36 then into hollandite. 2 37 KEY WORDS...environment 39 1. INTRODUCTION 40 The Urucum mining district occupies an area of approximately 800 km2 and...Urban et al. (1992) estimated that the Urucum district 47 contains more than 600 Mt of rock with high...environment, for the carbonate BIFs of the Santa Cruz Mine region 63 located on the southeastern part of |  | | 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 |  | | Book (edition) | | Right (center): A fine irregular network of cryptomelane replaces a siliceous rock; even quartz grains...strong, greenish grey Mineral Permingeatite Cryptomelane Reflection Colour & Ø Reflectance Pleochroism... 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 |  | | Journal (article/letter/editorial) | | (Karatau, Khubsugul, and South China basins), Australia (Georgina basin), Africa Fig. 1. Geological structure...Karatau range (Kazakhstan). (b) Section of the northern Tszyangsi Province (Bushinskii, 1966). (c) Section...Depression (Bushinskii, 1966). (d, e) Sections in the northern Sinan Depression (Bushinskii, 1966). (1) Gneisses...(11) Mn-bearing rocks. (Upper Volta, Benin), and South America (Minas Gerais basin). North America is the...Fe–Mn hydroxides. These ore minerals constitute local autonomous laminae alternating with thin layers |  | | Book (edition) | | Ilmenorutile IV/D.03-10 Tapiolite IV/D.04-00 Cryptomelane IV/D.08-20 Hollandite IV/D.08-60 IV/D.08-70...(light cream); West Driefontein, Johannesburg, South Africa [c]; Nic. // Irregular gold grain (yellow) between...between stibnite (light grey); Murchison Range, South Africa [g]; Nic. // Anhedral electrum (yellowish white)...white), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // Anhedral electrum (yellowish...(greenish grey), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // Anhedral electrum |  | | 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; |  | | Book | | On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...AJO Famous mineral localities: the New Cornelia mine, Ajo, Arizona (by W. J. Thomas & R. B. Gibbs) 14:283-298...ALLEN, GEORGE B. --and W. Hunt: The Tonopah-Belmont mine, Maricopa County, Arizona 19:139-144 ALLGOOD, GENNE...Allgood, C. Williams: Ramsdellite from the Mistake mine [Arizona] 14:333-335 ALLGOOD, ROBERT W. -with G...the Mistake mine [Arizona] 14:333-335 ALMA Famous mineral localities: the Home Sweet Home mine, [near Alma |  | | Book | | talc vug in 1997, is 1.7 cm long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals...and pegmatitic environments. In the mid- l 970s, local historian-collector William J. Brunet set out to...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...which they called the Bentley Lake Road occurrence, south of Bancroft. Sharp, flattened rhombohedral ilmenite...Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's |  | 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 ©1997 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) | | Structural—Africa. 2. Erosion—Africa. 3. Physical geography—Africa. 4. Morphotectonics—Africa. 5. Evolutionary...Evolutionary paleoecology—Africa. I. Gunnell, Yanni, 1965– II. Title. QE635.B87 2008 556—dc22 2008006912...2008006912 Cover: The topographic basins and swells of Africa. Elevation range is from 0 to 5149 m above sea level...African Surface .......7 Structures That Influenced Local Relief on the African Surface during Its Evolution...The African Surface in Its Type Area: Southern Africa .............................................. |  | | 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 |
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