 | | 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) | | Ettringite N’Chwaning II Mine, Northern Cape Province Republic of South Africa C oncrete, that manmade...N’Chwaning II mine, Kalahari manganese field, Northern Cape Province, Republic of South Africa. This specimen...contact-metamorphosed limestones or in xenoliths within igneous rock bodies. It has also been found as weathering crusts...leucite-nephlinetephrite (fine-grained volcanic rock) from Ettringen, Eifel, Rhineland-Palatinate, Germany...associated with calcite. The Clara mine, Ober Wolfach, Schwarzwald (Black Forest), Baden-Württemberg, is |  | | Report (issue) | | SURVEY OF SOUTH AFRICA COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA MINERALOGY OF SOUTH AFRICA:... COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA Scientific Editor R.D. Dixon Linguistic and...Council for Geoscience (Geological Survey of South Africa), 280 Pretoria Street, Silverton, Pretoria or........................... 69 5.1 Overview of South African Occurrences ................................................................... APPENDIX II - TYPE-LOCALITY DETAILS......................... |  | | 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) | | MEMBERS OF THE BRAUNITE GROUP1 P. R. oB Vrr-trnns2 GeologicalSuruey, Pretoria, South AJrica AND F. H...ustr'ialResearch,Pretor'ia,South AJrica. Alsrucr Braunite from the Northern Transvaal has cell dimensions...CaO and 4.47a SiOr) from the Black Rock manganese mine, northwestern Cape Province has been - I4t/ acd'...ordered version of ordinary braunite and is provisionally called braunite-Il' INrnonucrroN Problems of...situation exists in the braunite group of minerals:the ideal compositionof ordinary braunite is 3MnzOa.MnSiOs |  | | 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)...Research; San Jose, CA) Forrest Cureton II (Stockton, CA) Rock Currier (Jewel Tunnel Imports; Arca dia |  | | 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 .• •:•:•:•:•:•:•:•:•:•...:.78.;3.o, ................ ..... :.' ß :.... rock type represented.The isotopicage of the lava hasbeen...Stellenbosch). 1110 j. E. DE VILLIERS proximatelynorth-south,and regionalshearingand (includingmetamorphic deposits)...and these cryptomelane,psilomelane,hollandite,braunite,and youngdepositshavegreatlyhamperedthe searchfor |  | Gutzmmer, J., Beukes, N. J., Kleyenstuber, A. S. E., Burger, A. M. (1995) Magnetic hausmannite from hydrothermally altered manganese ore in the Palaeoproterozoic Kalahari manganese deposit, Transvaal Supergroup, South Africa. Mineralogical Magazine, 59 (397) 703-716 doi:10.1180/minmag.1995.059.397.12 | Journal (article/letter/editorial) | | Kalahari manganese deposit, Transvaal Supergroup, South Africa J. GUTZMER,N. J. BEUK~S Department of Geology...University, P.O.Box 524, Auckland Park 2006, South Africa A. S. E. KLEYENSTUBERANDA. M. BURGER MINTEK...MINTEK, Private Bag X3015, Randburg 2125, South Africa Abstract Hausmannite (Mn304), a manganese oxide with...ores of the giant Kalahari manganese deposit in South Africa. EDS-electron microprobe analyses indicate magnetic...KEYWOm3S:hausmannite, Kalahari manganese field, Wessels mine, ferrimagnetism, iron content. Introduction and |  | | Journal (article/letter/editorial) | | manganese ore in the Kalahari manganese ®eld, South Africa Received: 28 May 1996 / Accepted: 22 January...metasomatic alteration of low-grade sedimentary braunite-rich Mamatwan-type ore along a series of normal...35±38 wt.% in original sedimentary carbonate-rich braunite lutite to values of 45±60 wt.% in carbonate-poor...University, PO Box 524, Auckland Park 2006, South Africa e-mail: JG@RAU3. RAU.AC.ZA Fax: 0027-11-489-2309...location of mines of ®ne to medium crystalline, braunite-carbonate lutite with minor hematite. Towards |  | | Journal (article/letter/editorial) | | phaserelationsinvolvemajoroxideminerals of the ores,namely,braunite,brauniteII, hausmannite, bixbyite,jacobsite,andhematite...reactingwith silica released from braunitc to form braunite II and andradite. Introduction THE Kalaharimanganese...ProterozoicTransvaalSupergroup in the northern Cape Province, South Africa (Fig. 1A),mostprobablyrepresents...decomposition of braunitc (+ jacobsite)to braunitc II (+ bixbyiteq- hausmannite). The hydrothermally altered...are - I Thrust fault 'JWessels II M•ne .ch. an,ng M,ne I Black Rock IVhne• / / • I/ ' Momotwon-Wessels |  | | Journal (article/letter/editorial) | | Mineralization in the Kalahari Manganese Field, South Africa D. A. D. EVANS,† Tectonics Special Research...University, Auckland Park 2006, Johannesburg, South Africa AND J. L. KIRSCHVINK Division of Geological...enrichment in the Kalahari manganese field, South Africa, in order to assess mineralogical aspects of...of kutnahorite (CaMn(CO3)2), first-generation braunite (Mn7SiO12), and hematite (I; roman numerals in...kutnahorite, recrystallized hematite (Ib), and braunite occur in this microcystalline matrix, which is |  | | Journal (article/letter/editorial) | | smallhill near Hotazel, at what is now the Black Rock mine orearepoorlyunderstood. In addition, theeffectofferrugini-...manganesemum known thickness of about 45 m at the Mamatwan mine ore (Gutzmer, 1993; Gutzmer and Beukes,1993). andranges...Thrust,I Mine[• Wessels Mine Black RockI• Nchwaning Mine • [• • Kalahari• Gloria Mine Deposit•___•k...Deposil -•r/ Langdon AnnexDeposit Middelplaat• Mine MamatwanMi.ne I Beukes,1987). F•c. 1. Regional...nearthewestern margin of thedeposit, north-south alongside north-south-trending faultsisnot Ongeluk lavaandHotazelFormation |  | | Journal (article/letter/editorial) | | Department of Geology, University of Johannesburg, South Africa University College Dublin (UCD) School of Earth...Department of Geology, University of Johannesburg, South Africa e-mail: ljolly@uj.ac.za; fanusv@uj.ac.za P....University of Cape Town, South Africa e-mail: petrus.leroux@uct.ac.za © 2019 Geological Society of South Africa...concretions and laminae within a predominantly braunite I ((Mn2+Mn3+6[O8|SiO4]) and kutnohorite matrix...precipitate, having only undergone diagenesis SOUTH AFRICAN JOURNAL OF GEOLOGY 2019 • VOLUME 122.2 PAGE |  | | Book (edition) | | MINERALOGY OF ARIZONA • Wu!fenite. Red Cloud mine, Si/district, Trigo Mountains, La Paz County, Arizona...Clark photo. ' INERALOGY OF A ZONA THIRD EDITION John W Anthony Sidney A. Williams Richard A. Bideaux...Cataloging-in-Publication Data Mineralogy of Arizona/ John W. Anthony ... [et al.]; Wendell E. Wilson, photographic...alk. paper) 1. Minerals-Arizona. I. Anthony, John W (John Williams), 1920-. QE375.5.A6M56 1995 549.979r-dc20...Hydrothermal Deposits 63 The Bisbee District, Cochise County 64 The Tombstone District, Cochise County 70 The Mammoth-St | | | Book (edition) | | MINERALOGY OF ARIZONA Wulfenite. Red Cloud mine, Silver district, Trigo Mountains, La Paz County, Arizona...Cataloging-in-Publication Data Mineralogy of Arizona / John W. Anthony . . [et al.] ;Wendell E. Wilson, photographic...Minerals—Arizona. QE375-5-A6M56 I. Anthony, John W. (John Williams), 1920-. 1995 549-9791—dc20 94-18765...Hydrothermal Deposits The Bisbee District, Cochise County 64 70 The Tombstone District, Cochise County The Mammoth-St...Mammoth-St. Anthony Mine, Tiger, Pinal County Uranium and Vanadium Deposits 80 Monument Valley 81 63 78 |  | | Book (edition) | | RASMUSSEN STANLEY B. KEITH ND ILLUSTRATIONS BY JOHN CALLAHAN THE UNIVERSITY OF ARIZONA PRESS TUCSON...Leigh McDonald Co\·er photo: \\ 7 ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa...Grant [and 4 others] ; maps and illustrations by John Callahan. Description: Fourth edition. I Tue.son:...{Permanence of Paper). Dedicated to the memory of John W. Anthony, Sidney A. Williams, and Richard A. Bideaux...photography: Arizona Mineral Minions John Callahan Earth Science Museum John Ebner Flagg Mineral Foundation |  | | Journal (issue) | | ........ ..... 483 W. E. Wilson The Total Wreck Mine, Pima County, Arizona ............ .. ........................ .... ..... 507 L. Presmyk The Flux Mine, Santa Cruz County, Arizona ............................... 531 W. E. Wilson & M. Hay The Carlota Mine, Gila County, Arizona ............................E. Wilson & E. Jones Fluorite from the Oatman District, Mohave County, Arizona ............. .... ........ 569 M. Hay & D. Morris The Bagdad Mine, Yavapai County, Arizona ............. .................. |  | 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,...Mineralogy. I. Dana, Edward Salisbury, 1849-1935. II. Gaines, Richard V. III. Dana, James Dwight, 1818-1895...(1844) and all but one other have been published by John Wiley. The System was the first book Wiley (then |  | | 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 |  | | 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 |  | | Book | | from the Vesuvius Volcano Observatory of Federico II University in Naples. He has had a diverse career...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.... . . . . . . . Hydrothermal Processes and Wall Rock Alteration . . . . . . . . . . . . . . . 2.1 Introduction |  | | Book | | England Thomas Nelson Australia 102 Dodds Street South Melbourne 3205 Victoria, Australia Nelson Canada...tried to retain local names for subdivisions within a given country. For some local names the anglicized...given name is included in parentheses although most local names lack this designation. For example we use...concerning type localities. We also acknowledge John Sampson White at the Smithsonian and Carl Francis...'D KhI.I • >r ^t. t« If “Ml* .v_t ,u,v ,. »> ii. •, I ,; ’ti •IluMi.lL J .,*• *r:' ■ S?** |  | | Book (chapter) | | illite, Clark 53 (1993). bacillite = crystal in rock, Clark 53 (1993). bacirit = bazirite, László 23...(2004). bakeshiite = unnammed, IMA 1986-047; CRAS II, 316, 921 (1993). Ba-K-feldspar = Ba-rich orthoclase...Cr-rich spinel, Bukanov 75 (2006). ballas (Kunz) = black diamond + inclusions, AM 57, 1664 (1972). Ballas...+ hematite, AM 12, 391 (1927). banded onyx = black-white banded quartz-mogánite mixed-layer, Bukanov...Ba[(Al2Si4)O12]·6H2O, Doelter IV.3, 1109 (1931); [II.3,116]. barium chlorapatite = alforsite, de Fourestier |  | | Book | | Elements in the Blowpipe Flame TABLES OF PRINCIPAL ROCK-FORMING, NON-METALLIC AND 22 24 24 26 26 27 28...determination of the mineral composition of an ore or a rock. In the field the geologist does not always have...valuable mineral. Accordingly, the summary table of rock-forming minerals is arranged by types of chemical...types generally produce a colourless streak. The black streak is typical of opaque minerals with a metallic...Unfortunately, the principal components of the majority of rock-forming minerals, such as potassium, sodium, calcium |
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Black Rock Mine, Black Rock, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa