 | | Book (edition) | | Southern Africa a Collector’s Guide ■ Rocks, Minerals and Gemstones of Southern Africa & — - ... T ~ '' .rats en&nes L of Southern Africa A Collector’s Guide - Struik Publishers (an operating...suggestions and advice. Author’s Preface Southern Africa has much to offer the amateur geologist, whatever...best plan is to take local advice wherever you are. 9 In small places try the local police station first...usually helpful and will know it there are any local gem clubs and how to get in touch with them. There |  | | Report (issue) | | Fe0.29 Co0.02 )Σ=8.89 S8.00 . (3) Barberton district, South Africa; by electron microprobe, corresponding...heazlewoodite, pentlandite, pyrrhotite, pyrite, bornite, chalcopyrite, Distribution: In Russia, from the...the Amianthus mine, Kaapsche Hoop, Barberton, Transvaal, South Africa. From Bou Azzer, Morocco. At Fiskenæsset...Greenland. In Canada, in the Texmont mine, about 50 km south of Timmins, Ontario, and at the Orford nickel mine |  | de Ronde, C. E. J., Spooner, E. T. C., de Wit, Maarten J., Bray, C. J. (1992) Shear zone-related, Au quartz vein deposits in the Barberton greenstone belt, South Africa; field and petrographic characteristics, fluid properties, and light stable isotope geochemistry. Economic Geology, 87 (2) 366-402 doi:10.2113/gsecongeo.87.2.366 | Journal (article/letter/editorial) | | minimumscaleof •60 x 10 km andfor phaseseparation on a local(mine)scale.Evidencefor phaseseparation is notedby...SouthAfrica. 0361-0128/92/1316/366-3753.00 366 BARBERTON GREENSTONE BELT GOLD DEPOSITS 367 b34Ssulfides...largelyconcentrated and Montrose mines are locatedslightlyto the south, therefore,hasa geologichistorythat spansca. 300...volcanics Tonalite Intrusion(Kaap Valley Pluton) BARBERTON GREENSTONE BELT TrondhjemiteIntrusion Syenites...granodiorites Major gold deposit Minorgold deposit AFRICA Cape Town CRATON FIc. 1. Simplifiedgeologicmapof |  | | Conference Paper/Abstract | | LATEST JURASSIC MOROKWENG IMPACT STRUCTURE, SOUTH AFRICA. M. A. G. Andreoli1,2, R. J. Hart2, L. D. Ashwal3...1Atomic Energy Corp. of S. Africa (P.O. Box 582, Pretoria 0001, South Africa; aec@cis.co.za), 2Schonland...Univ. Witwatersrand, P.O. Box 3, Wits 2050, South Africa; hart@schonlan.src.wits.ac.za), 3Dept. Geology...2006, South Africa; LDA@rau3.rau.ac.za), 4Dept. Geol. Sci., Univ. Cape Town, Rondebosch 7700, South Africa;...of an enigmatic 3.5 Ga nickel deposit from the Barberton greenstone belt [4]. References: [1] Andreoli |  | O’Driscoll, B., Clay, P. L., Cawthorn, R. G., Lenaz, D., Adetunji, J., Kronz, A. (2014) Trevorite: Ni-rich spinel formed by metasomatism and desulfurization processes at Bon Accord, South Africa?. Mineralogical Magazine, 78 (1) 145-163 doi:10.1180/minmag.2014.078.1.11 | Journal (article/letter/editorial) | | and desulfurization processes at Bon Accord, South Africa? B. O’DRISCOLL1,*, P. L. CLAY2, R. G. CAWTHORN3...University of the Witwatersrand, PO Wits, 2050 South Africa Dipartimento di Geoscienze, Trieste University...serpentinized maficultramafic lavas of the Barberton Greenstone Belt (South Africa). Though now completely mined out... metasomatism, desulfurization, Bon Accord, South Africa. Introduction TREVORITE is a rare Ni-rich spinel...Mineralogical Society ~144 Ma Morokweng crater (South Africa), in a paragenesis that also contains unusual |  | | Corporate Document | | Kochbulak-Kairagach ore field 9.5.1 Kochbulak deposit 10. SOUTH AFRICA 10.1 Western Deeps 10.2 Fairwiew 10.3 Renco...16 Corinthia 13.17 Edward's Find 13.18 Polaris South 14. Intermediate and felsic igneous host rocks 14...is >1 km long, 15-30 m wide, parallel with the local lithological units, and dips at 60° to the ENE (Pietikäinen...and the Jormua and Outokumpu ophiolites further south (Kontinen 1987, Sorjonen-Ward et al. 1997, Lehtonen...quartz veins. It appears that most, if not all, of local silicification in rocks is spatially related to |  | | Report (issue) | | 88 Ni1.33 )Σ=8.21 S8.00 . (3) Amianthus mine, South Africa; by electron microprobe, corresponding to (Co4...pyrrhotite, troilite, chalcopyrite, cubanite, bornite, chalcocite, digenite, linnaeite, siegenite, parkerite...Kaapsche Hoop, Barberton, and the Loolekop carbonatite, Phalaborwa, Transvaal, South Africa. At the Talmessi...Anarak, Iran. From the Mundonguara deposit, Chimoio district, Mozambique. In Japan, at the Shimokaua mine, |  | | Journal (article/letter/editorial) | | tectonics, magmatism, and mineralisation of the South African Precambrian shield is discussed. A geosynclinal...five times as long as the post-Precambrian. The South African shield appears highly suitable for investigations...preserved and well exposed. The Precambrian in southern Africa comprises a more or less continuous suite ofmetasediments...of more than 35,000 m. Furthermore, in southern Africa the earth's history, at least in outline, appears...mineralisation. There is hardly anywhere else in Africa an orogenic zone to which this applies. Recent |  | | Book | | t a t e d Bibliographies of Mineral Deposits in Africa, Asia (exclusive of t h e U S S R ) a n d Australasia...him. I have tried to include all ore districts in Africa, Asia (exclusive of the U.S.S.R.)> and Australasia...incluir todos los distritos mineros conocido en Africa, Asia (con exclusion de la Union Soviética), y...Greenland. This volume covers mineral deposits in Africa, Asia exclusive of the U.S.S.R., and Australasia...Philippines, and Japan are included with Asia. In South Africa, the deposits are arranged by prov inces, in |  | | Journal (issue) | | Twenty-three, Number Three ® Articles Gold in South Africa ..............................................and this must have introduced him to many other local mineral collectors and possibilities for further...of this typically natrolite covered material for local dealers as well as himself. He used much of this...lent a distinction to his stock of minerals that local dealers found hard to match. During his time with...later years he just purchased from the miners and local dealers. He did not like to be hurried, and drove |  | | Journal (article/letter/editorial) | | Polkowice-West Mine, Lubin-Sieroszowice Mining District, Poland Received: 19 November 1998 / Accepted:...discovered gold deposit in the Lubin-Sieroszowice district lies 0.0 to 1.5 m below the stratabound copper-silver...vol%) of hematite, chalcocite, digenite, djurlite, bornite, chalcopyrite, pyrite, gersdorte, rammelsbergite...sediments by the Rote FaÈule facies. Parts of the district where reduced ¯uids penetrated deeply into the...ore deposits of the Lubin-Sieroszowice mining district are located in Permian sediments in southwest | | | Journal (issue) | | Mowry Place Tucson, AZ 85741 Articles Gold in South Africa ..............................................and this must have introduced him to many other local mineral collectors and pos sibilities for further...of this typically natrolite covered material for local dealers as well as himself. He used much of this...lent a distinction to his stock of minerals that local dealers found hard to match. During his time with...later years he just purchased from the miners and local dealers. He did not like to be hurried, and drove |  | | Journal (article/letter/editorial) | | desulfidation Koperberg Suite, Namaqualand, South Africa of the cupriferous R. H. BOER,’ F. M. MEYER...University of the Witwatersrand, WITS 2050, South Africa ‘Department of Geology, University of the Witwatersrand...Witwatersrand, Private Bag 3, WITS 2050, South Africa (Received January 14, 1993; accepted in revised...terrane in the northwestern Cape Province of South Africa. Rock types include pyroxenite, norite, anorthosite...KOPERBERGSUITE OCCURSin the northern Cape Province of South Africa and covers an area of ca. 3000 km2. The intrusives |  | | Journal (article/letter/editorial) | | Pole district, Pilbara Craton, Australia, and from black shale of the Lokamonna Formation, South Africa...laser in chalcopyrite exhibit alteration halos of bornite extending 80 m radially outward from crater walls...excimer laser craters. sulfur, in contrast to the bornite reaction rims reported by Rumble et al. (1993)...–0.29 –0.37 –0.35 –0.32 –0.30 Isua, Greenlanda South Africab Lokamanno Fm. Schmidtsdrif Group 2.642 Ga...core through black shale, Lokamonna Formation, South Africa (Table 5) (2.642 Ga). Distances separating closely |  | | Report (chapter) | | deformation of the supracrustal sequence at S~esvatn, South Norway: R e - O s dating of C u - M o mineral occurrences...orogen, the Rogaland-Hardangervidda terrane of south Norway. Onset of metamorphism occurred at about...the western part of the Sveconorwegian orogen (South Norway) may correlate with thermal metamorphism...well-studied mineral prospects that record the local development of ductile and brittle structures, we...terranes. Several recent studies bracket the age of local supracrustal packages either by dating volcanic |  | | Journal (article/letter/editorial) | | in the easternmost Wyoming craton (Black Hills, South Dakota) —Peter S. Dahl, Michael P. Terry, Michael...anorthosite-mangerite-charnockite-granite (AMCG) suites of the south-central Grenville province, Saguenay-Lac St. Jean...King 1605 Reconstruction of fracture surfaces on bornite—S.L. Harmer, A.R. Pratt, H.W. Nesbitt, and M.E...minerals from the Eastern Bushveld Complex, South Africa—F. Melcher, T. Oberthür, and J. Lodziak 1711...Paralana hot springs, Northern Flinders Ranges, South Australia—Joël Brugger, Ngaire Long, D.C. McPhail |  | | Catalog/List | | fine pale green fibrous mass with some quartz. 3x2 South Norway £6 Selasvatn 9. TOURMALINE dark green elongated...pure metallic mass about 2x4 inches Ratnapure district SriLanka £15 18. BARITE very well formed single...magnetite with minor scheelite, Natas Mine. Okahandja district Namibia £6 38. NATIVE GOLD quite a rich piece...mass with minor Serpentine 2 x2.5 Barberton . Transvaal South Africa 52. PYROPHANITE small reddish-brown...manganese ore Postmasburg Griqualand West , South Africa lxl £4 55. FLUORITE yellowish exposed vein with |  | | Book | | Struik Nature (an imprint of Penguin Random House South Africa (Pty) Ltd) Reg. No. 1953/000441/07 The Estuaries...Century City, 7441 PO Box 1144, Cape Town, 8000 South Africa Visit www.randomstruik.co.za and join the Struik...published edition, 2015: Penguin Random House South Africa (Pty) Ltd Publisher: Pippa Parker Managing editor:...Hatfield Campus, University of Pretoria Pretoria, South Africa Dr Lynnette Greyling Department of Geological...Town Private Bag X3 Rondebosch 7701 Cape Town, South Africa Note: The authors and the publishers cannot |  | | 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; |  | Jiang, Yuhang, Niu, Hecai, Zhao, Yan, Bao, Zhiwei, Li, Ningbo, Shan, Qiang (2017) Fluid inclusion and stable isotopic constraints on fluid sources and evolution of the Luojiahe Cu deposit in the southern margin of the North China Craton. Ore Geology Reviews, 80. 214-228 doi:10.1016/j.oregeorev.2016.06.028 | Journal (article/letter/editorial) | | chalcopyrite and pyrite with accessory sphalerite, bornite and minor cobaltite. Non-metallic minerals include...which contain chalcopyrite, pyrite, pyrrhotite, bornite, sphalerite, quartz and calcite (Fig. 5D). Quartz...5E and F). Exsolution (among chalcopyrite and bornite) and emulsion (among chalcopyrite and sphalerite)...chalcopyrite. (H). Exsolution texture of chalcopyrite and bornite. (I) Emulsion texture of chalcopyrite and sphalerite...Cal = calcite; Gr = graphite; Py = pyrite; Bn = bornite; Sp = sphalerite. Y. Jiang et al. / Ore Geology |  | | Journal (article/letter/editorial) | | Stellenbosch, Private Bag X1, Matieland 7602, South Africa b Walkabout Resources Ltd, PO Box 263, West...Region, 50 km east of Lake Malawi and about 125 km south from the town of Njombe (Fig. 1). The APGD lies...transect of one of the Au nuggets. 4. Results 4.1 Local geology and geomorphology The study area encompasses...by hematite, magnetite, pyrite, chalcopyrite, bornite, covellite, goethite and gold mineralization (Fig...show a proximal association with the ASZ, where local artisanal miners target them for native gold. Widespread |  | | Journal (article/letter/editorial) | | sulfide deposits in the Murchison greenstone belt, South Africa Ulrich Schwarz-Schampera & Hennie Terblanche...Murchison greenstone belt, Limpopo Province, South Africa, represents a rifted epicontinental arc sequence...volcanic-hosted massive sulfide (VMS) district in Southern Africa. The so-called Cu– Zn line is host to...schwarz-schampera@bgr.de H. Terblanche METOREX Ltd., Rosebank, South Africa higher temperature upflow, reflected by proportions...Murchison greenstone belt . Kaapvaal craton . South Africa Introduction Volcanic-hosted massive sulfide |  | | Conference Proceedings (Volume) | | interpretive bedrock mapping in the Giyani area (South Africa) .. .........................................area of the Kristineberg VHMS deposit, Skellefte district, Sweden .......................................A. Massive Zn-Cu-Pb deposits in the Røros ore district, Norway: setting and formation ................ The Jörn granitoid complex, Skellefte mining district, Sweden: petrography, lithogeochemistry and emplacement...for VHMS deposits, Kristineberg area, Skellefte District, Sweden ..................................... |  | | Report (issue) | | fineness of gold with depth, Lily mine, Transvaal, South Jlfrica -------------------------------------------------------14...mill bullion prior to 1882 at the Homestake nrlne, South Dakota -------------------------------------------------------15...--------------Iridosmine, ( Os,Ir) Australia, New South Wales _____ 150 >1,000 200 >1,000 800 U.S...Butte, Mont ------Bornite, CusFeS, Germany, Mansfeld -------------Galena, PbS South Africa -------------------Clausthalite...Zwickau ____ _ .2 1001,000 South Africa: Transvaal, Rustenburg district __ <.5 Stannite, CusFeSnS |  | | Journal (article/letter/editorial) | | cube-octahedral crystal with calcite from Kambove District, Katanga Copper Crescent, Katanga, Democratic...natural chromites from the Bushveld Complex, South Africa, are reported by Lenaz et al. (2007). Cochromite—CoCr2O4...described from the Bon Accord nickel deposit, Barberton, South Africa (De Waal 1978), in a trevorite-liebenbergerite-bunsenite...Hill (Brukunga quarry), Nairne, Mt. Lofty Ranges, South Australia, Australia, by Graham (1978). It occurs...Crosse (1921) from the Bon Accord nickel deposit, South Africa. Then, Walker (1923) gave a full description |
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