 | | Journal (issue) | | mines, Kalahari Manganese Field, Northern Cape Province, South Africa ..................................crystals on matrix, 17.2 cm, from the NâChwaning I mine, collected in 1978. Private collection and photographer...(2015â2016) Scott A. Rudolph Paradise Woods (2008â2016) John Dabney (2015â2016) Daniel J. Record Irv Brown (2009â2015)...(2016â2017) Eric D. Long Barry M. & Beth Kitt (2011â2016) John Schneider (2016) Dylan Stolowitz Steve Maslansky...com APATITE Nagar, Hunza Valley, Gilgit District, Northern Areas, Pakistan, 11.5cm. Fine Minerals International |  | | 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) | | University RO. Box 524 AucWand Park, 2006 Gauteng, South Africa . . .*.â. 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) | | mainlyofbraunite,hausmannite, jacobsite,hematite,kutnohorite,andcalcite, are alteredby hydrothermalsolutionsinto...hydrothermalsolutionsinto the high-grade,high-temperature Wessels-type oresconsistingof brauniteII, bixbyite,hausmannite...brauniteis muchlessabundant in the high-grade Wessels-type ore thanin theIgw-grade Mamatwan-type ore...ProterozoicTransvaalSupergroup in the northern Cape Province, South Africa (Fig. 1A),mostprobablyrepresents.../ ⢠I/ ' Momotwon-Wessels ;-_⢠â˘Hotozel Depos⢠/ _-__-_⢠,, Anne,⢠Wessels-type ore Momatwon-type |  | | Journal (article/letter/editorial) | | Ettringite NâChwaning II Mine, Northern Cape Province Republic of South Africa C oncrete, that manmade...NâChwaning II mine, Kalahari manganese field, Northern Cape Province, Republic of South Africa. This specimen...to 2 mm, some associated with calcite. The Clara mine, Ober Wolfach, Schwarzwald (Black Forest), Baden-WĂźrttemberg...(1984) notes that ettringite crystals from the Clara mine may be mistaken for aragonite, and vice versa. Italy...NâChwaning II mine, Kalahari manganese field, Northern Cape Province, Republic of South Africa. Scott Rudolph |  | | 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 Š 2019 Geological Society of South Africa...classic supergene enriched, hydrothermally enriched (Wessels-type ore) and thrusted manganese ore. When normalised...high-grade, low-carbonate Wessels-type ore. Displaying numerous kutnohorite (Ca(Mn2+,Mg,Fe2+)(CO3)2) and |  | 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 |  | | Journal (article/letter/editorial) | | sedimentary manganese orehasbeenupgraded to high-grade Wessels-type orein theKalahari manganese field.Thealteration...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...sedimentary structures ranges fromgoodtoabsent in Wessels-type ore.Transitions fromWessels-type oreto low-grade...Leinster-Deposi! fields are listed in Table 2. ISevern Wessels-type oreappears toberestricted tothenorthwesternpartoftheKalahari |  | | Journal (article/letter/editorial) | | Enrichment in the Kalahari Manganese Field, South Africa: A new discrimination scheme for Kalahari manganese...Department of Geology, University of Johannesburg, South Africa University College Dublin (UCD), School of Earth...Mamatwan Mukulu Hydrothermal Supergene Unconformity Wessels The Thrusted manganese ore above the Blackridge...Manganese Field, South Africa has undergone three signiďŹcant alterations events, namely the Wessels alteration...Mamatwan-type manganese ore from Mamatwan mine in the south of the Kalahari Manganese Field as a reference |  | | Journal (article/letter/editorial) | | 2006 Johannesburg, South Africa brucec@uj.ac.za Hausmannite NâChwaning II Mine, Kalahari Manganese...Manganese Field Northern Cape Province, South Africa B lack minerals are generally not considered highly desirable...hausmannite is Ăhrenstock, Langewiesen, Ilmenau district, Thuringian Forest, Thuringia, Germany. Originally...180 years to the Kalahari manganese field in South Africa (Wilson and Dunn 1978; von Bezing et al. 1991)...on andradite, NâChwaning II mine, Kalahari manganese field, South Africa. Steve Smale specimen, Jeff |  | | Journal (issue) | | the Unificada mine, Potosi, Bolivia. Top right: Benitoite, 2 cm, from the Benitoite Gem mine, California...NâChwaning I mine, Kuruman, South Africa. Bottom right: Mimetite, 2.7 cm, from the Tsumeb mine, Namibia....Record: (1) Stephanite, Husky mine, Canada. (2) Wulfenite, Rowley mine, Arizona. (3) Diaspore twin, Pinarcik...Adelaide mine, Tasmania. (5) Andradite, Antetezambato, Madagascar. (6) Calcite, Mashamba West mine, Congo...(8) Scorodite, Tsumeb mine, Namibia. (9) Shigaite, NâChwaning II mine, South Africa. v This special supplement |  | | Report (issue) | | Jersey, USA); calcite, kutnohorite, andradite, hausmannite (Kuruman, South Africa). Distribution: In France...PyrÂśenÂśees-Orientales. From the Harstigen mine, near Persberg, VĂarmland, and in the SjĂo mine, Ă near Grythyttan, Orebro...and the Sunnyside mine, Silverton district, San Juan Co., Colorado. From the Wessels and N'Chwaning mines...mines, near Kuruman, Cape Province, South Africa. At Broken Hill, New South Wales, Australia. Name: For |  | | Journal (issue) | | deposits of Elsmore, New England district of New South Wales. Rankin, John, Sharpe, James L. and Williams...associated minerals from the Barrington Tops area, New South Wales. Graham, Ian T., Pogson, Ross E. and Colchester...8(1):3-8 Secondary copper minerals of the Crusader mine, north-west Queensland. Sharpe, James L. and Williams...suite of secondary minerals from the Nifty copper mine, Western Australia. Downes, P.J., Shields, P. and...ribbons associated with thomsonite from Borambil, New South Wales. Graham, Ian T. and Pogson, Ross E. 7(2):S7-61 |  | | 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 Š 2018 June Geological Society of South Africa. Abstract The manganese ore of the Hotazel...least two other well-recognised ore types, namely Wessels-type (affected by hydrothermal alteration only)...ďŹnegrained braunite I and kutnohorite matrix (KleyenstĂźber, 1984; 1985). The Wessels-type ore is a high-grade...1048 Âą 5.9 Ma (Gnos et al., 2003) hydrothermal, Wessels alteration event (Gutzmer, 1993; Gutzmer and Beukes |  | Gu, Xiangping, Yang, Hexiong, Xie, Xiande, van Nieuwenhuizen, Jaco J., Downs, Robert T., Evans, Stanley H. (2019) Lipuite, a new manganese phyllosilicate mineral from the N'Chwaning III mine, Kalahari Manganese Fields, South Africa. Mineralogical Magazine, 83 (5) 645-654 doi:10.1180/mgm.2019.12 | Journal (article/letter/editorial) | | mineral from the NâChwaning III mine, Kalahari Manganese Fields, South Africa Xiangping Gu*1 , Hexiong Yang2...School of Geosciences and Info-Physics, Central South University, Changsha, Hunan 410083, China; 2Department...and 4Plot 968, Alheit, Kakamas 8870, Northern Cape, South Africa Abstract A new phyllosilicate mineral...NâChwaning III mine, Kalahari Manganese Fields, Northern Cape Province, Republic of South Africa. It occurs...Kalahari Manganese Fields in the North Cape Province of South Africa hosts the largest manganese resource |  | | Journal (article/letter/editorial) | | Laval] at 20:02 10 July 2014 Broken Hill, New South Wales, Australia F or mineral collectors introduced...Sterling Hill, New Jersey, and Broken Hill, New South Wales, Australia. The recent discovery of fine gem-quality...Massachusetts, where it occurs in compact masses with kutnohorite, rhodochrosite, quartz, and minor sulfides (Dunn...rhodonite on galena specimen from the North mine, Broken Hill, New South Wales, Australia; field of view 8 cm...Rhodonite also has been reported from the Stinson mine on Jenny Jump Mountain, Warren County, New Jersey |  | | Journal (article/letter/editorial) | | Black Rock Mi⢠wessels Mine KMF â˘""-.â˘"'"â˘:':'â˘:â˘?J iiiâ˘'i!i/:?"⢠ning Mine â˘lGIoria Mine j Highde Hydrothermally...grade â˘;iii:.i:? ⢠Wessels-type oreâ˘::?' I Devonâ˘d /⢠Lungdon â˘Hotazel Mine 'â˘:â˘_adr;â˘) â˘â˘,.⢠e-3'...e-3' â˘7 Annex Mine e ⢠cover Sequences "⢠,.r⢠Unconformity Postmasburg Group !i:â˘![] Koegas Subgroup... O 5 10 I I I I ⢠Smartt Mine Miâ˘e ......⢠_â˘Mamatwan Mine Kilometres Kilometres I Fig.1...tionwasattainedby meansof X-raydiffraction (XRD) and ent mine site, however, this thicknessrelation is reversed |  | Nyfeler, Daniel, Armbruster, Thomas, Dixon, Roger, Bermanec, Vladimir (1995) Nchwaningite, Mn (super 2+)2SiO3(PJ)2.H2O, a new pyroxene-related chain silicate from the N'chwaning Mine, Kalahari manganese field, South Africa. American Mineralogist, 80 (3) 377-386 doi:10.2138/am-1995-3-419 | Journal (article/letter/editorial) | | silicate from the N'chwaning mine, Kalahari manganesefield, South Africa D.lNrtr, Nwnr.nnoTHonmsAnrvrnnusrrn...Geological Survey, PB Xl 12, 0001 Pretoria, South Africa Vr,lnrurn BnnueNnc Department of Mineralogy...N'chwaning mine, located in the Kalahari manganesefield, northern Cape Province, South Africa. The aggregatesconsist...0.05 mm in size. Nchwaningite is named after the mine N'chwaning II, where it was found first. Nchwaningiteis...crystalline sedimentary laminated braunite and kutnohorite lutite of relatively low grade, containing a |  | | Journal (article/letter/editorial) | | locations) can belong to one and the same ore district, massif, and formation, or can be located very...Antisirabe, Madagascar (15 times); Mooihoek, South Africa (6 times); and SareSang, Afghanistan (7 times...(Dst.) district, area; (Co.) county; (m.) mine; (Mf.) massif; (Q.) quarry; (N) north, northern latitude;...latitude; (S) south, southern latitude; (W) west, western longitude; (E) east, eastern longitude. 9 â Alsar...pallite 9 â Barberton district \(25°48`S, 31°03`E), Transvaal, South Africa \\1921trevorite (Bon Accord |  | | Journal (issue) | | FL Correspondents Miguel Calvo Zaragoza, Spain Joe Polityka Staten Island, NY Jeffrey A. Scovil Phoenix...Los Angeles, CA Librarian Curtis P. Schuh Founder John Sampson White Editing, advertising 4631 Paseo Tubutama...Cd-bearing phosphate mineral from the Gold Quarry mine, Eureka County, Nevada . . . . . . . . . . . . ...(Otherwise By Chance or By Appointment) Three miles south of Bancroft, Ontario, on the West side of Hwy. 62...then read something like âJames Smith, in memory of John Doeâ). You and your spouse may, if you wish, be |  | | Book (edition) | | September 18, 2007, my Teacher, Mentor and Friend. Joe Mandarino passed away after a long battle with failing...of Minerals and the next edition of the Glossary, Joe asked me if I would be willing to take on the responsibility...9th edition of the Glossary in 2004. Unfortunately Joe passed away beforc wc could finish this collaboration...for sure if I have found all e material sent to Joe, and so, if I have missed anyone, and any other corrections... Meta/lurgical and Mineralogical Society o/ South Africa Journal of Chemical Phy ics Journal cif the |  | | 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 |  | | Journal (issue) | | stock certificates for mines in the Cripple Creek District, Colorado, in 1898 and 1901. Sponsorship: This...lnc.) Bill Stone Richard Strecker (sponsored by Joe Dorris) Jack & Kaye Thompson George Witters Martin...localities like the Sweet Horne mine, Breckenridge, Mount Antero, the Sunnyside mine, Creede, Cripple Creek,... Farne Museum in Leadville, the Cripple Creek District Museum, and the Western Museum of Mining and Industry...shared for the minerals of Colorado. Collectors John Aiden Smith (1830-1896) built what may have been |  | | Journal (issue) | | Calvo Zaragoza, Spain Renato Pagano Milan, Italy Joe Polityka Staten Island, NY Jeffrey A. Scovil Phoenix...Los Angeles, CA Librarian Curtis P. Schuh Founder John Sampson White JulyâAugust 2007 Volume Thirty-eight...Articles Famous mineral localities: The Trepc=a mine, Stari Trg, Kosovo . . . . . . . . . . . . . . ...3.9 cm, on calcite, from Wessels mine, Kalahari Manganese Field, South Africa. This specimen, from the...accounted for a total of 195,000 room nights in local hotels and motels, at an average nightly room rate |  | | 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 |
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Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa