 | | 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 |  | | Journal (article/letter/editorial) | | needle-pointed crystals from the Kalahari Desert of Africa. Few carvings are as vibrantly colorful as the...Home Sweet Home mine, A l m a , Colorado; and the N'Chwaning mine, Kuruman, South Africa. These localities...the N'Chwaning mine, Black Rock district, Hotazel, North Cape Province, South Africa. Pala Properties...Colorado, beginning with the superb finds at the John Reed mine, Alicanti, near Leadville (Kunz, 1887), rhodochrosite..."gathering" of rhodochrosite from the N'Chwaning mine, South Africa, as seen at the 1981 show. Photo by Robert |  | | Journal (article/letter/editorial) | | minerals of the “Gloria event,” minerals of the “Smartt event” including asbestiform minerals, and minerals...events that led to the formation of the giant district as it presently exists. The final section discusses...Sacco collection: Focus on southern Africa. Johannesburg, South Africa: Desmond Sacco. 282 ROCKS & MINERALS...manganese adventure: The South African manganese fields. Johannesburg, South Africa: Associated Ore & Minerals... 1995. Minerals of South Africa. Johannesburg: Geological Society of South Africa. Robert B. Cook Auburn |  | | 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...rhodochrosite, quartz, “opal”. Distribution: Widespread. Well-characterized material from: the Todoroki mine, south...Eylandt, Northern Territory, Australia. In Cuba, an ore in the Charco Redondo–Taratana district, and elsewhere |  | | 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 |  | | 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 (issue) | | mines, Kalahari Manganese Field, Northern Cape Province, South Africa ..................................crystals on matrix, 17.2 cm, from the N’Chwaning I mine, collected in 1978. Private collection and photographer...(2015–2016) Scott A. Rudolph Paradise Woods (2008–2016) John Dabney (2015–2016) Daniel J. Record Irv Brown (2009–2015)...(2016–2017) Eric D. Long Barry M. & Beth Kitt (2011–2016) John Schneider (2016) Dylan Stolowitz Steve Maslansky...com APATITE Nagar, Hunza Valley, Gilgit District, Northern Areas, Pakistan, 11.5cm. Fine Minerals International |  | | 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 |  | | 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) | | Application to Measurements of the Gyration Tensors of ~-Quartz by the HAUP BY J. KOBAYASHI,T. ASAHI AND S. TAKAHASHI...birefringence of two enantiomorphic crystals of ~-quartz. It was found that the order of magnitude of this...with a wZavelength of 6328 A for laevorotatory quartz at 300 K are in good agreement with some of the...determination ofg and An for ~-quartz. ~-Quartz, the low-temperature modification of quartz, is chemically and mechanically...of knowledge of the possible systematic errors. Quartz is a difficult crystal for the measurement of optical |  | | Book (volume) | | rmf ' j^lr ^1 THE DIAMOND MINES OF SOUTH AFRICA VOL. II Digitized by the Internet Archive...org/details/diamondminesofso02will THE DIAMOND MINES OF SOUTH AFRICA BY GARDNER F. WILLIAMS, M.A. GENERAL MANAGER...Storing and Handling of Dynamite. The Fire in De Beers Mine, iith July, 1888. The Occurrence of “Mud Rushes...Lapidaries. in in Produc- Orange River Colony, the South Art of Carving taught by The Modern Diamonds...The Old Cutting and Polishing The . Selling. Cape Colony, ; Brazil, . Quality of Diamonds produced |  | | Journal (article/letter/editorial) | | MANGANESE ORES IN THE KALAHARI MANGANESE FIELD, SOUTH AFRICA VOLKERLODERS? GeoForschungsZentmm Potsdam...Mamatwan mine and 4 to 8 m at appropriate to be fluidinclusion hostminerals.Someof the mine(Fig.1). The...calcitegeneration. SamplePreparation andAnalytical Techniques Mine Fluid inclusions in hematite and hausmannite were...n thewavelength rangebetween 1-- 0.8 and1.3 Smartt Mine /•m or, alternatively, by usinga high-resolution...CCD camera liesin thegreatermagnifiMine Mamatwan Mine 0 5 km cation scale and higher resolution of thetransmitted |  | | Journal (article/letter/editorial) | | Rock Mi• wessels Mine KMF •""-.•"'"•:':'•:•?J iii•'i!i/:?"• ning Mine •lGIoria Mine j Highde Hydrothermally...Devon•d /• Lungdon •Hotazel Mine '•:•_adr;•) ••,.• e-3' •7 Annex Mine e • cover Sequences "• ,...1OO O 5 10 I I I I • Smartt Mine Mi•e ......• _•Mamatwan Mine Kilometres Kilometres I Fig...tionwasattainedby meansof X-raydiffraction (XRD) and ent mine site, however, this thicknessrelation is reversed... HOTAZEL IRON-FORMATION, KALAHARIMn FIELD, S. AFRICA 89 200m overprints of dispersed subhedral magnetite |  | | Journal (article/letter/editorial) | | (Karatau, Khubsugul, and South China basins), Australia (Georgina basin), Africa Fig. 1. Geological structure...(1) Proterozoic, Kokdzhot Formation: phyllites, quartz–sericite–chlorite schists (Prt1); (2) Lower Cambrian...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 |  | Korsakov, Andrey, Rezvukhina, Olga, Jaszczak, John, Rezvukhin, Dmitriy, Mikhailenko, Denis (2019) Natural Graphite Cuboids. Minerals, 9 (2) 110 doi:10.3390/min9020110 | Journal (article/letter/editorial) | | Andrey V. Korsakov 1, * , Olga V. Rezvukhina 1 , John A. Jaszczak 2 , Dmitriy I. Rezvukhin 1 and Denis...garnet-clinopyroxene rocks from the Kokchetav massif (Northern Kazakhstan) [22,37,38]. Graphite cuboids in metamorphic...geodynamic histories, i.e., the Kokchetav massif (Northern Kazakhstan), the Estes Quarry (West Baldwin, Cumberland...USA), the Maksyutov complex (South Urals, Russia), the Beni Bousera (Northern Morocco), and the Ozernaya...muscovite, Amp = amphibole, Kfs = K-feldspar, Qz = quartz, Tur = tourmaline, Czo = clinozoisite, Phe = phengite |  | | 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 | | 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins in a...and pegmatitic environments. In the mid- l 970s, local historian-collector William J. Brunet set out to...Litchfield, where a mass of white quartz on a ridge had once been mined for quartz, and large ilmenite masses...ilmenite crystals to 7 .5 cm in matrix of massive quartz from these dumps-adding that, in his judgment,...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely |  | | Book (edition) | | example for such a situations can be seen in euhedral quartz crystals embedded in the sulfide matrix of fossil...normally contain amorphous silica/opal rather than quartz in its initial stages, as is the case in modern...displaying various colours under XPL; euhedral quartz shows milky internal reflections. Internal Reflections...Late proustite (red internal reflections) filling quartz druse (milky); dike filling. Right (third from...(often 120º). Right (top): Recrystallised euhedral quartz (dark grey) in pyrite (creme) and chalcopyrite |  | | Journal (issue) | | R. Peter Richards (1990), "The origin of faden quartz", The Mineralogical Record 21, 191-201. MKA-kalender...(mineralen en fossielen) Dienstencentrum "De Compositie", John F. Kennedylaan 301, NL-6419 XZ Heerlen. Info : Zef... Raymond Dedeyne Uitgegeven door Struik Nature, Cape Town, RSA in 2013 Auteurs: Bruce Cairncross en Nicolas...en Jens Gutzmer “The Manganese Adventure : the South African Manganese Fields”. Dit boek behandelde in...Manganese/Iron Field - beide in de Zuid-Afrikaanse Northern Cape Province. Al heel snel werd dit hét standaardwerk |  | | Book (edition) | | iMi THE DIAMOND MINES OF SOUTH AFRICA SOME ACCOUNT OF THEIR AND DEVELOPMENT RISE BY GARDNER F. ... De Beers Main for Shaft, Kimberley Mine Kimberley Mine Company . 605 667 669 670 671 Illustrations...House, Achter Brand Solder Cape Cart The Gate 81 82 . Herd of Cape Goats Cellar. Tatr, 1757 ...105 Attire . 108 Nest of Social Grosbeak 112 John O'Reilly 120 Mr. Lorenzo Boyes Dr. W. Guybon...Views of S3 at Klip-drift 56 ever found in South Africa 58 162 . Kimberley, 1872 .69 Mrs. Rawstorne |  | | Book (edition) | | Metal : Oxygen = 1:2 (MO2 and related compounds) Quartz IV/D.01-10 Silica, amorphous IV/D.01-80 Rutile...Reflections: Reflectance [%]: Anisotropy: Pleochroism: quartz veins, alluvial deposits gold-yellow, silver-white...(light cream); West Driefontein, Johannesburg, South Africa [c]; Nic. // Irregular gold grain (yellow) between...Murchison Range, South Africa [g]; Nic. // Anhedral electrum (yellowish white), quartz (dark grey); New...New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // Anhedral electrum (yellowish white), argentite (greenish |  | | Report (issue) | | Paleontologist STEPHEN J. FRoST, Coal Geologist JoHN W. HAWLEY, Environmental Geologist DANA l\1. HELJESON...EccLESTON ADRIAN HuNT ToM McANuLTY LAWRENCE NELSON JoHN YouNG Plus abou t 50 undergraduate assistants ...Official Plan : Middle Rio Grande Conservancy District, Official Plan Mining, Geol., and Metal!. lnst...Academy of Science, Annals Northern Ohio Geol. Soc., Symposium: Northern Ohio Geological Society, Symposium...Dist., Bull.: Pecos Valley Artesian Conservancy District, Bulletin Pennsylvania State Univ., Palynol. Labs |  | | Book (volume) | | Papers and Discussions Volume I , I JOHANNESBURG SOUTH AFRICAN INSTITUTE OF MINING AND METALLURGY 1961... 01", ~TALLUf>iYY. © Copyright 1961 by The South African Institute of Mining and Metallurgy Ext'racts...I (1v DEC 196f Printed in t!te Republic of South Africa by Hortors Limited, Johannesburg V r. 1 The...and n1anagement of the gold mining industry in South Africa -C. B. ANDERSON . . . . . . . . . page r J ... ( 2. The economy of the Union of South Africa-W. J. BusSCI-IAU 9 3. An introduction to the physical |
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