 | Chudy, T.C., Zeh, A., Gerdes, A., Klemd, R., Barton, J.M. (2008) Palaeoarchaean (3.3 Ga) mafic magmatism and Palaeoproterozoic (2.02 Ga) amphibolite-facies metamorphism in the Central Zone of the Limpopo Belt: New geochronological, petrological and geochemical constraints from metabasic and metapelitic rocks from the Venetia area. South African Journal of Geology, 111 (4) 387-408 doi:10.2113/gssajg.111.4.387 | Journal (article/letter/editorial) | | amphibolite-facies metamorphism in the Central Zone of the Limpopo Belt: New geochronological, petrological and geochemical...X131Í Alice. S700. South Africa, and P.O. Hox 72196, Parkview. 2122, South Africa e-mail: ¡ay.barton@telkomsa...barton@telkomsa.net s 2008 December Geological Society of South Africa ABSTRACT NXV prfst-nt new geochronological...Venetia Klippen Complex in the Central Zone of the Limpopo Belt, Thf combined data.sel.s provide evidence...Beit Bridge Terrane of the Central Zone of the Limpopo Belt, in particular witli regard to the titning |  | | Journal (issue) | | net Famous Mineral Localities: The Berezovsk District, Sverdlovsk Oblast, Russia .....................quartz in the Artonvilla mine, Messina District, Limpopo Province, South Africa ............................. 461 by P. Mayer & T. P. Moore Prehnite and zeolite distribution in the Orange Mountain Basalt,...know, we supplied a DVD on the famous Pederneira mine with the May-June issue. This DVD is a supplement...staff of the British Museum (Natural History) in South Kensington on October 1, 1957, as Assistant Scientific |  | | Journal (issue) | | 0026-4628 ‘Continued on p. 247 Articles The Outlaw mine, Nye County, Nevada ..............................J. P. Cassedanne & L. Barreto The Messina mining district, South A frica .............................Valley Road Watsonville, California 95076 The Outlaw mine has long been known as an occurrence o f rare and...benjaminite, fo r which it is the type locality. The mine has been idle fo r more than 60 years, and because...More than 30 minerals have been identified from the mine and studies continue on the sulfosalt mineralogy |  | | Journal (article/letter/editorial) | | Washington, DC 20013 pohwatp@si.edu Bornite Dzhezkazgan Mine, Dzhezkazgan Karagandy Province, Kazakhstan S ...micromounters, Weed (1912) noted that in the Parrot mine the bornite ore has small cavities, 1/16 to ¼ inch...enargite than a true pseudomorph. The Bristol copper mine, located near the town of Bristol in Hartford County...bornite, 7 cm across, from the Pennance Consold mine, Gwennap, Cornwall, England. Specimens of this quality...crystallized, have been afforded by the Bristol, Conn. mine” (Shepard 1852, p. 306). The Bristol deposit is |  | | Journal (article/letter/editorial) | | Copper-Bearing Breccia Pipes of the Messina District South Africa J. B. E. Jacobsen and T. S. McCarthy...Johannesburg, South Africa G. J. Laing The Messina (Tvl.) Development Company (Pry.) Limited, Messina, South...South Africa The Messina Copper Mines comprise a group of breccia pipes, disseminated replacement andfissure...emplaced within high-grade metamorphic rocks of the Limpopo mobile belt. Breccia pipes as well as associated...recognised in the M e s s i n a district near the northern border of South Africa. Of these, three are mineralized |  | | Journal (article/letter/editorial) | | Department of Geology, University of Natal, Durban (South Africa) (Received August 15, 1973, revision accepted...margin particularly within the Zambezi and the Limpopo belts. The distribution of the associated early...development were due to thermal highs centred on the Limpopo mobile belt and possibly the Zambezi belt. INTRODUCTION...of the international metamorphic map of southern Africa b a s e d o n t h e c o n c e p t o f m e t a m...post-Shamvaian. (4) The granites and granitic gneisses. (5) Limpopo Group metasediments. ANCIENT BASEMENT RELICS -- |  | | Journal (article/letter/editorial) | | Venetia kimberlite pipes, Central Zone, Limpopo Belt, South Africa: Have these rocks seen granulite-facies...Park 2006, South Africa. e-mail: jmb@na.rau.ac.za © 2003 Geological Society of South Africa ABSTRACT...event (M3) in the Central Zone of the Limpopo Belt of southern Africa is considered to have occurred at ~2...the Central Zone. Introduction The Limpopo Belt of southern Africa is an Archaean to Paleoproterozoic...reworked rocks of the respective Cratons. The Limpopo Belt was long regarded as an orogen resulting from |  | | Journal (article/letter/editorial) | | hydrothermal alteration in the Central Zone, Limpopo Belt (South Africa): Constraints from titanite U–Pb geochronology...the Witwatersrand, Private Bag 3, WITS 2050, South Africa Received 9 September 2006; accepted 13 February... Abstract In the Central Zone of the Limpopo Belt (South Africa), Palaeoproterozoic granulite-facies...Titanite; Geochronology; Retrogression; Central Zone; Limpopo Belt 1. Introduction Titanite is a particularly...metabasite from the Central Zone of the Limpopo Belt (South Africa) that has been hydrothermally altered |  | | Journal (article/letter/editorial) | | An UnusualHydrothermal CopperDepositat Messina, South Africa J. B. E. JACOBSEN' ANDT. S. •{CCARTHY Abstract...ne passingthrough the Artonvilla mine. The orebodiesin the district include breccia pipes, fissure deposits...the latter being best developedin the Artonvilla mine, where four separatelodesare developed. The EmeryLodeis...sequenceof complexly foldedmetasediments of the Limpopo Group. Table 1 showsa broad outline of the regional...regional stratigraphic sequence and lithologyaround Messina. Rocks in the immediatevicinityof the minesrevealgranulite |  | | Journal (issue) | | M ontreal Mine! L L The Mineralogical Record MAY–JUNE 2020 • VOLUME 51 • NUMBER 3 • $25 & Wayne...gemgypsy@bellsouth.net MAY–JUNE 2020 Articles The Montreal mine, Iron County, Wisconsin ........................... 487 COVER: BARITE, 6.5 cm, from the Montreal mine. David and Karen DeBruin collection, ex Muscatine...cm on vesuvianite from the Crazy Sphinx mine, Helena District, Lewis and Clark County, Montana. Collected...world-class realgar specimens from the Royal Reward mine, Green River Gorge, King County, Washington. The |  | | Catalog/List | | RAINBOW OF AFRICA GEM & MINERAL COLLECTION Front Cover: Gems from the Rainbow of Africa Collection... Heritage Signature® Auction #5236 The Rainbow of Africa Collection Gems & Minerals October 15, 2015 | New...Signature® Internet Session 2 Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 (HERITAGELive...RAINBOW OF AFRICA COLLECTION You have in front of you our presentation of the Rainbow of Africa Collection:...The mineral riches of Africa are not the only things making up the Rainbow of Africa Collection. For the |  | | 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 ..............................LAYEREDSUITE,BUSHVELDCOMPLEX.... 111 MINERALOGY OF SOUTH AFRICA: TYPE-MINERAL SPECIES AND TYPE-MINERAL NAMES |  | | 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...typical accessory mineral from the world famous Tsumeb mine Overleaf: Crystalline incrustations of vanadinite...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 |  | | Journal (article/letter/editorial) | | replacementcopperorebodiesknown as the Artonvilla mine, Messina,South Africa. Gangue and ore minerals exhibit a distinct...specularite-born- ite-chalcocite to goethite-prehnite-albite-chlorite-chalcocite-native copperassemblages...on in the Emery Lode copper deposit, Artonvilla mine, was described to speculariteand finally goeth...inneralbite-chlorite-epidote and a central chlorite-prehnite-analcite-quartz association. Zonation of sulfide...inclusions nature of its source. in quartz from Messina (F. J. Sawkins,pers. comA fluid of this composition |  | | Journal (article/letter/editorial) | | /t.4L, SOUTH ON THE MESSIN.4 .4FRIC.4--/! COPPER DEPOSITS, DISCUSSION Sir: The Messina copper...isotopestudies. In the orebodiesat (1977) contained Messina,the early ore fluid reactionsinvolvedesilica- concludedthat...1. A /ID vs /i•sOplot for late solutionsat the Messina positionsproducedduring ore fluid reaction. This...temperature. This is the inward retrogressive of the Messina orebodies,calculated on the basis of the reactionmodel...minthat the ax8Ox-x2o valuesdeterminedfor the Messina erals" (Sawkinsand Rye, 1979, p. 688). The proorebodiesare |  | | Journal (issue) | | Euclase, 2.3 cm, from the Gachalá mine, Guavió-Guatéque mining district, Boyacá Department, Colombia. Gail...cm, from Stak Nala, Haramosh Mountains, Skardu district, Gilgit-Baltistan, Pakistan. Zach Goodman collection;...Budd photo. Tanzanite, 7.6 cm, from the Merelani mine near Arusha, Tanzania. Barry & Beth Kitt collection;...Fluorite on quartz, 13 cm, from the Yaogangxian mine, Chenzhou Prefecture, Hunan Province, China. The...Spodumene (variety kunzite), 9 cm, from the Urucum mine, Galiléia, Minas Gerais, Brazil. Gus & Jane Eifler |  | | 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 |  | | Journal (article/letter/editorial) | | country should he on view in the “city of gold.” South Africa is not well known for its institutional or statefunded...treasures of the earth. not only from South Africa but also from southern Africa as a whole and other regions...Mines and the Museum of the Geological Society of South Afiicil (Kennedy 1970). The Chamber of Mines collection...secretary and treasurer of the Geological Society of South Africu.) Several years later, in 1904, the collection...Hardap Dam, Namibia; and an unusual specimen of prehnite and thomsonite from Victoria Falls in Zimbabwe |  | | Journal (article/letter/editorial) | | Consequently, most collectors are familiar with prehnite, typically as pale green botryoidal or reniform...Virginia. Recently, however, extraordinarily fine prehnite specimens have appeared on the collector market...for its most famous locality, Tsumeb. One such prehnite specimen has been nominated for this issue’s Connoisseur’s...Connoisseur’s Choice (see fig.). Prehnite is best known in shades of green that vary from pale to very...it exhibits a vitreous-to-weak pearly luster. Prehnite has cleavages on [ 001 ) and { 110) that are good |  | Howie, R.A. (1996) Cairncross, B. and Dixon, R. Minerals of South Africa, Johannesburg (Geological Society of South Africa), 1995. xix + 296 pp, numerous coloured maps and photographs. Standard Edition (ISBN 0-620-19324-7) U.S.$ 115.00; Luxury leather-bound collectors Edition (ISBN 0-620- 19325-5) U.S.$ 300.00 (available from the G.S.S.A., P.O Box 44283, Linden 2104, South
Africa). Mineralogical Magazine, 60 (402) 854-855 doi:10.1180/minmag.1996.060.402.22 | Journal (article/letter/editorial) | | Dixon, R. Minerals of South Africa, Johannesburg (Geological Society of South Africa), 1995. xix + 296 pp...2104, South Africa). This volume, which deals exclusively with minerals found in South Africa, combines...chronostratigraphic approach, from the Archaean (Monarch cinnabar mine, the asbestos deposits of the Barberton greenstone...gold deposits of the Witwatersrand Basin, the Messina copper and Pafuri nickel deposits), on to the Proterozoic...Province includes the 3000 km 2 0 k i e p copper district with well-crystallized chalcopyrite and chalcocite |  | | Journal (issue) | | worden specimens van papagoiet van de New Cornelia mine, Ajo, Pima Co., Arizona aangeboden. Meer details...120-121 Arsenopyrite de Nil-Saint-Vincent 122-125 Prehnite de Quenast MINERAL UP 2(6), 11.11 6-Goldschmidt...from the Sant Marçal Mine, Montseny, Catalonia 14-18 New minerals in the Eureka mine, Catalonia (metamunirite...New minerals [06.10-10.11] 64-71 The Uchucchacua mine, Peru SPIRIFER 37(4), 08.13 CAHIER DES MICROMONTEURS... Links : Papagoietkristalletjes van de New Cornelia mine, Ajo, Pima Co., Arizona, USA. Beeldbreedte 3 mm |  | | Journal (article/letter/editorial) | | time good specimens were found with byssolite and prehnite in vugs encountered in the the Fairfax quarry...collect ed from veins exposed along State Highway 229 south of Martinsville, Henry County, Virginia. The U.S...Colorado localities as the Calumet iron mine, Turret district, Chaffee County (squat, dark green crystals...sites, including copper mines of the Seven Devils district, Adams County, where sharp lustrous crystals to...scheelite, and titanite at the Washington Metals mine at Cedonia, Stevens County. Epidote specimens have |  | | Book (volume) | | alteration of different kinds of stacking of layers, local defects, etc.). For this reason, the interpretation...Lavrion, Greece (6) and Cu-poor adamite from Ojuela mine, Mexico (7) IR spectra of acid salts (silicates...freedom per unit cell and qi and qj are deviations of local coordinates (i.e. lengths of chemical bonds and...frequencies of normal vibrations are determined by local force parameters of these bonds (see, e.g. Loghinov...Arsenato-Borates Sussexite 29 Mn2+BO2(OH) Locality: Gonzen mine, Sargans, St. Gallen, Switzerland. Description: |  | | Journal (article/letter/editorial) | | niigataite for the type locality, in the Itoigawa-Ohmi district, Niigata Prefecture, in central Japan (Miyajima...2003). It was found in a boulder of prehnite rock in which the prehnite formed typical fan-shaped aggregates...aggregates. Interstitially within the prehnite, the type material consisted of minute pale gray grains intimately...in a sample of pumpellyite rock from the Wakasa district, Tottori Prefecture, Japan. The host rock consisted...striated epidotes in matrix, from the Calumet iron mine, Colorado. Epidote was described in 1801 by Haüy |  | | Catalog/List | | Internet, Fax, and Mail) Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Sunday...52001-52306 LOT VIEWING Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Wednesday...directly from the miners at the Elmwood Mine in Tennessee, when the mine was actively producing twenty years... 52002 SZENICSITE with POWELLITE Jardinera No. 1 Mine, Inca de Oro, Chañaral Province, Atacama Region...mineral came from one pocket in the Jardinera No. 1 Mine. That find was roughly one cubic meter in volume |
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