 | | Journal (article/letter/editorial) | | DepositāKalahari Manganese Ore Field (Northern Cape, South Africa): Geochemistry of Isotopes (Ī“13C and...AbstractāStudy of carbonate inclusions in the Mamatwantype oxide ores (braunite lutites) made it possible...1134/S0024490212030054 The Northern Cape manganese ore province (South Africa) is confined to the Kalahari...altered manganese (braunite) lutites taken from the Mamatwan deposit, the present paper attempts to describe...Manganese ores of the Kalahari Desert (Northern Cape province, South Africa) are confined to rocks of the Hotazel |  | Tsikos, H., Beukes, N. J., Moore, J. M., Harris, C. (2003) Deposition, Diagenesis, and Secondary Enrichment of Metals inthe Paleoproterozoic Hotazel Iron Formation, Kalahari Manganese Field, SouthAfrica. Economic Geology, 98 (7) 1449-1462 doi:10.2113/gsecongeo.98.7.1449 | Journal (article/letter/editorial) | | Hotazel Iron Formation, Kalahari Manganese Field, South Africa HARILAOS TSIKOS,ā ,* NICOLAS J. BEUKES, Geology...2006, South Africa JOHN M. MOORE, Geology Department, Rhodes University, Grahamstown 6140, South Africa...Geological Sciences, University of Cape Town, Rondenbosch 7700, South Africa Abstract The Kalahari manganese...manganese field in the Northern Cape province, South Africa, is a world-class manganese resource (ca. 8 billion...two areas of the Kalahari manganese field, in the south and in the north of the field, which respectively |  | | Journal (article/letter/editorial) | | exposed along the walls of the Mamatwan Mine, Northern Cape, South Africa, reveals three main depositional...exposed section (55 m) of the Kalahari Group at Mamatwan Mine was analysed for its mineralogy, elemental composition...These sub-basins stretch over 2200 km in a north-south direction, and for the (Figure 1). CE purposes...Nossob-Molopo sub-basin that is bounded to the south by the EtoshaāGriqualandāTransvaal (E-G-T) axis...Boundary positions and their interactions with the South Atlantic air masses and the northeast monsoon penetrating |  | | 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) | | stilpnomelane, riebeckite, Fe mica),carbonates (calcite,ankerite,minorsiderite),andpyrite.The majorchemical constituents...Rock Miā¢ wessels Mine KMF ā¢""-.ā¢"'"ā¢:':'ā¢:ā¢?J iiiā¢'i!i/:?"ā¢ ning Mine ā¢lGIoria Mine j Highde Hydrothermally...Devonā¢d /ā¢ Lungdon ā¢Hotazel Mine 'ā¢:ā¢_adr;ā¢) ā¢ā¢,.ā¢ e-3' ā¢7 Annex Mine e ā¢ cover Sequences "ā¢ ,... O 5 10 I I I I ā¢ Smartt Mine Miā¢e ......ā¢ _ā¢Mamatwan Mine Kilometres Kilometres I Fig.1...tionwasattainedby meansof X-raydiffraction (XRD) and ent mine site, however, this thicknessrelation is reversed |  | | 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 |  | | Journal (article/letter/editorial) | | the Transvaal Supergroup in Griqualand West, South Africa E. A. Schneiderhan Paleoproterozoic Mineralization...University of Johannesburg, Auckland Park 2006, South Africa e-mail: easc@rau.ac.za J. Gutzmer Paleoproterozoic...University of Johannesburg, Auckland Park 2006, South Africa e-mail: jg@na.rau.ac.za H. Strauss Geologi...Park 2006, South Africa e-mail: njb@na.rau.ac.za Ā© 2006 March Geological Society of South Africa ABSTRACT...Paleoproterozoic VoĆ«lwater Subgroup in Griqualand West, South Africa, is an exceptionally well preserved succession |  | Beukes, Nicolas J., Klein, Cornelis, Kaufman, Alan J., Hayes, J. M. (1990) Carbonate petrography, kerogen distribution, and carbon and oxygen isotope variations in an early Proterozoic transition from limestone to iron-formation deposition, Transvaal Supergroup, South Africa. Economic Geology, 85 (4) 663-690 doi:10.2113/gsecongeo.85.4.663 | Journal (article/letter/editorial) | | ng beddingplanesin the form of dis- lomite or ankerite euhedra in chert-rich mesobands continuous microlentides...found to consistof phosphatic dolomite and/or ankerite rhombohedra(Fig. 4f). carbonateparticleshighlypigmentedby...sideritesand normally consistof ferroan dolomite or ankerite. ankeriteswere not possiblewith sucha shortreaction...tubes were speculariteandFe microsparite(siderite,ankerite,or evacuated,sealed,and heatedto 850ĆøC for two...bulk carbonateanalysesfrom thisfacies, siderite-ankerite assemblage becauseits ]3C values in addition to |  | | Book | | of Canada, and of the Transvaal Supergroup of South Africa, are syntheses considerably superior t o any...University, Auckland Park, PO 524, Johannesburg 2000, South Africa. J.A. BUNTING Exploration Department, BHP...Australia. E.C. PERRY, J R . Department of Geology, Northern Illinois University, De Kalb, Illinois 60115,...DEPOSITIONAL BASIN O F THE TRANSVAAL SUPERGROUP. SOUTH AFRICA N.J. Beukes Introduction . . . . . . . . ..... . . . . . . . . . . . . . . . . . . . . . The Cape Smith-Wakeham Bay basin . . . . . . . . . . . . |  | | 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 approximately16Ćø 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) | | famous Mesoarchean Witwatersrand Supergroup in South Africa that contains Earthās 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 favoredādepending on solutes and local pHādevelopment of siderite, ferrous hydroxide, and/or |  | | 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...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...occurrences contain more than 100 t Mn (i.e., one Mn mine per 551,000 km2). Some small mineralized belts, |  | KUNZMANN, M., GUTZMER, J., BEUKES, N. J., HALVERSON, G. P. (2014) DEPOSITIONAL ENVIRONMENT AND LITHOSTRATIGRAPHY OF THE PALEOPROTEROZOIC MOOIDRAAI FORMATION, KALAHARI MANGANESE FIELD, SOUTH AFRICA. South African Journal of Geology, 117 (2) 173-192 doi:10.2113/gssajg.117.2.173 | Journal (article/letter/editorial) | | MOOIDRAAI FORMATION, KALAHARI MANGANESE FIELD, SOUTH AFRICA M. KUNZMANN Department of Mineralogy, Technical...Johannesburg, P.O. Box 524, Auckland Park 2006, South Africa email: j.gutzmer@hzdr.de N.J. BEUKES Paleoproterozoic...Johannesburg, P.O. Box 524, Auckland Park 2006, South Africa e-mail: nbeukes@uj.ac.za G.P. HALVERSON Department...halverson@mcgill.ca Ā© 2014 December Geological Society of South Africa ABSTRACT The Paleoproterozoic Mooidraai Formation...Hotazel Formation in the Kalahari Manganese Field, South Africa. Although it occupies an important stratigraphic |  | | 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 āhandbook 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 | | 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 |  | | 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 |  | | Journal (article/letter/editorial) | | 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...plateau. 64 This study presents evidence for local submarine hydrothermal exhalation and biogenic ...hematite (Fig 3B). Locally, at the Figueirinha 110 Mine, this conglomerate contains a carbonate boulder |  | | 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 āpaleosolā in South Africa (Martini, 1994, Watanabe et al., 2000). A restudy |  | | 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-Pilgrimās Rest, South Africa . . . . . . . . . . . . . . . . . 4.4.5 Capricorn |  | | Book | | genesis of metamorphic polymetallic deposits of Northern Bavaria (1932ā1939) 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 Ā«Aes, fy AU...and Associated Magnetite Ore from the Pocheon Iron Mine (Korea). Chil-Sup So. With 7 Figures... .. Geochemistry |  | | Journal (article/letter/editorial) | | Ancylite Andalusite Anglesite Anhydrite Anilite Ankerite Annabergite Anorthite (Ca end member plagioclase)...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 mineā. This includes the imperative āif you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is ļ¬rst and foremost recognized | | | Journal (article/letter/editorial) | | Ancylite Andalusite Anglesite Anhydrite Anilite Ankerite Annabergite Anorthite (Ca end member plagioclase)...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 mineā. This includes the imperative āif you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is ļ¬rst and foremost recognized |  | | Report (issue) | | Prospects for Future Supply Edited by Klaus J. Schulz, John H. DeYoung, Jr., Robert R. Seal II, and Dwight C...prospects for future supply / edited by Klaus J. Schulz, John H. DeYoung, Jr., Robert R. Seal II, and Dwight C...niobium in Brazil; and platinum-group elements in South Africa and Russia), thus increasing the risk for supply...scientists and nonscientists alike. Klaus J. Schulz John H. DeYoung, Jr. Robert R. Seal II Dwight C. Bradley...United StatesāAn Introduction By Klaus J. Schulz, John H. DeYoung, Jr., Dwight C. Bradley, and Robert R |  | | 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 |  | | 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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