| | Journal (issue) | net Famous Mineral Localities: The Berezovsk District, Sverdlovsk Oblast, Russia .....................quartz in the Artonvilla mine, Messina District, Limpopo Province, South Africa .........................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... and he was in constant demand as a speaker at local clubs and societies. Three of his most popular talks--delivered | | | 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 -- | | Hor, A.K., Hutt, D.K., Smith, J.V., Wakefield, J., Windley, B.F. (1975) Petrochemistry and mineralogy of early Precambrian anorthositic rocks of the Limpopo belt, southern Africa. Lithos, 8 (4) 297-310 doi:10.1016/0024-4937(75)90013-4 | Journal (article/letter/editorial) | Precambrlan anorthositic rocks of the Limpopo belt, southem Africa. Lithoa ~8, ~97-310. T w o sections...l~e anorthosite ,complex' were examined at Messina. South Afdca and at Pikwe, Botswana. Thirty XRF whole-rock...in stratigraphic order show that alkalies a t Messina increase upwards from leuco-gabbros to anorthosites...decrease and increase, respectively, with height at Messina, but 22 analyses from Pikwe show no such trends...Fe-rich. also like the Fiskenaesset ones. The Limpopo anorthositic rocks belong to a layered igneous | | Rigby, M.J., Basson, I.J., Kramers, J.D., Gräser, P., Mavimbela, P.K. (2011) The structural, metamorphic and temporal evolution of the country rocks surrounding Venetia Mine, Limpopo Belt, South Africa: Evidence for a single palaeoproterozoic tectono-metamorphic event with implications for a tectonic model. Precambrian Research, 186 (1) 51-69 doi:10.1016/j.precamres.2011.01.001 | Journal (article/letter/editorial) | country rocks surrounding Venetia Mine, Limpopo Belt, South Africa: Evidence for a single palaeoproterozoic...Geology, University of Pretoria, Pretoria 0002, South Africa Runshaw College, Langdale Road, Leyland, Lancashire...Sciences, University of Cape Town, Rondebosch 7701, South Africa d Department of Geology, University of Johannesburg...Johannesburg, Auckland Park, Johannesburg, South Africa b a r t i c l e i n f o Article history: Received...2011 Available online 8 January 2011 Keywords: Limpopo Belt Structure Metamorphism Geochronology PâTât | | | Journal (article/letter/editorial) | illustrating the nature of Archean volcanismin southern Africa and elsewhereare made available for purposesof...mineralization. The Archean mineralization of southern Africa is briefly compared and contrasted with that of...the easternpart southern Africa. of Botswana, the northeasternsegment of South The purposes of this paperare...paperare, briefly,to consider Africa, and Rhodesia,the shield consistsof two crathe nature and distribution...GREENSTONE BELT LITHOLOGICAL UNITS RHODESIA/BOTSWANA SOUTH AFRICA/SWAZILAND Sedimentary unit ShamraJah Mafic-to-l'el$ic | | | Report (issue) | American Corporation of South Africa for views of Wankie Colliery and the Trojan nickel mine, and to the Photographic... The Great Dyke and Satellites 24 24 42 The Limpopo Mobile Belt . Northern Marginal Zone Central Zone...Karoo 85 86 86 Page 89 Upper Karoo Sabi-Limpopo Basin Lower Karoo Upper Karoo Coalfields Karoo...near Salisbury. facing page 23 IV Trojan Nickel Mine, near Bindura. facing page 33 V The Great Dyke...Complex. VI Chrome seam in the Great Dyke, Vanad Mine. VII Lower Karoo Landscape. No. 1 Colliery, Wankie | | | Journal (article/letter/editorial) | rocks and crustal uplift history of the Limpopo belt, Southern Africa B.F. Windley 1, D. Ackermand 2, and...within the anorthosites of the Messina layered intrusion in the Limpopo mobile belt of Zimbabwe. The XMg...host rocks and high-grade metamorphism in the Limpopo mobile belt (Barton et al. 1979) provide a comparable...locality A (see Fig. 1). Geological setting The Limpopo mobile belt is a high-grade Archaean belt situated...the Rhodesian and Kaapvaal cratons of southern Africa (Mason 1973). Within the central zone of almandine-amphibolite | | | Book (edition) | Southern Africa a Collectorâs Guide â Rocks, Minerals and Gemstones of Southern Africa & â - ... T ~ '' .rats en&nes L of Southern Africa A Collectorâs Guide - Struik Publishers (an operating...typical accessory mineral from the world famous Tsumeb mine Overleaf: Crystalline incrustations of vanadinite...suggestions and advice. Authorâs 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) | metamorphic (amphibolite-granulite facies) belt in the south and the east. The greenstone belts are divided into...e e n s t o n e belts The greenstone belts of south India vary in detail. Occurring mostly within Karnataka...part), Nuggihalli, Krishnarajpet and Hadnur. In the south small rafts of the type floating in an 'ocean' of...represented by sillimanite-kyanite-staurolitegarnet-fuchsite (-graphite-corundum) bearing assemblages. Zircon...to Naqvi (1981) the j180 value in some of the fuchsite-quartzite is ~ + 12.5, suggesting volcanic origin | | | Journal (article/letter/editorial) | decalcification, anorthite phenocryst, Granulite Terrane of South India Introduction The origin of corundum and its...geological map of part of the Granulite Terrain of South India (adapted and simplified from the Geological...et al. 2014), the Messina layered complex of central Limpopo belt, South Africa (Lmp; Keeditse et al...al. 2017) and the Sittampundi layered complex, South India (SLC; Karmakar et al. 2017). Plagioclase is...Huang et al. 2014), the Messina layered complex of central Limpopo belt, South Africa (Lmp; Keeditse et al | | | 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 âhandbook 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; | | | Journal (article/letter/editorial) | hornblende-granulite subfacies conditions. To the south the later amphibolite facies metamorphism caused...hornblendegranulite sub-facies conditions. To the south hypersthene occurs less frequently within the amphibolites...thinning and thickening giving rise to considerable local variation in thickness. Shearing along and within...are left and the matrix consists of chlorite and fuchsite (?), which have slightly corroded the chromite...geochemical studies have yet been undertaken, due to local deuteric processes during a late neither on the | | | Book | the world F.rorn E.GSt 'to W,e st and' North to South the Logo's been unfurled For North is North and...SMLS Chair 2022 Botallackite (Xtals 3mm) Bunmahon Mine, Copper Coast, Eire. Photo:John Hall CONTENTS... BOL1WOODITE 7mm. Goanikontes Claim, Araandis, Swakopmund District, Erongo Region, Namibia. Photo: John Hall CALCITE...and Wales, and gradually extended to the Lake District and Scotland. Later on, SMLS organised many overseas...to descend the hydraulic shaft in the Smallcleugh Mine and we bought an inflatable dinghy so we could land | | | Book | Archaean Geology of the Kaapvaal Craton, Southern Africa Regional Geology Reviews Series editors Roland... Nelson Mandela University, Port Elizabeth, South Africa François M. Roure, Rueil-Malmaison, France ...Archaean Geology of the Kaapvaal Craton, Southern Africa 123 Editors Alfred KrĂśner Institut fĂźr Geowissenschaften...Geology University of Johannesburg Auckland Park, South Africa ISSN 2364-6438 ISSN 2364-6446 (electronic)...continued interest. The Kaapvaal Craton of Southern Africa is featuring prominently in early Earth studies | | | Book | fruition and where they develop depends on a host of local factors, but the broad environmental controls in...and possibly enrage some of those with first-hand local knowledge. To such people I can only offer an advance...their willingness to share freely of their time and local expertise with an itinerant academic. Without their.................. . 83 The Fresnillo Ag-Pb-Zn District, Zacatecas, Mexico .............................Massive Sulfide Deposits of the BathurstNewcastle District, New Brunswick, Canada Discussion of Tectonic | | | Journal (article/letter/editorial) | in Southern India as the Achankovil shear zone. South of Ranotsara six n o r t h - s o u t h trending...rocks related to the separation of Madagascar from Africa and India during the break-up of Gondwana. Besairie...information on the Precambrian of southern India, eastern Africa and Sri Lanka, very little has been published on...suggest some tectonic correlations with East Africa and South India (Shackleton, t986a; Katz, 1989; Stern...studies confirm an important Pan-African event in the south (Table 2) and the north (Guerrot et al., 1993) and | | | Journal (article/letter/editorial) | in Southern India as the Achankovil shear zone. South of Ranotsara six n o r t h - s o u t h trending...rocks related to the separation of Madagascar from Africa and India during the break-up of Gondwana. Besairie...information on the Precambrian of southern India, eastern Africa and Sri Lanka, very little has been published on...suggest some tectonic correlations with East Africa and South India (Shackleton, t986a; Katz, 1989; Stern...studies confirm an important Pan-African event in the south (Table 2) and the north (Guerrot et al., 1993) and | | | Journal (issue) | Transparent Gem Rhodonite from Broken Hill, New South Wales, Australia Paul W. Millsteed, Terrence P...that appears cultured ⢠Large baroque âgoldenâ South Sea cultured pearls ⢠Synthetic turquoise necklace...Unusual emerald with conical growth features ⢠Fuchsite-corundum rock from Bahia, Brazil ⢠Pen shell pearlsâ... lower-quality diamonds from Australiaâs Argyle mine, coupled with the exponential expansion of Indiaâs...of world production was concentrated in southern Africa, with other sources including Australia and the | | Lancaster, Penelope J., Dey, Sukanta, Storey, Craig D., Mitra, Anirban, Bhunia, Rakesh K. (2015) Contrasting crustal evolution processes in the Dharwar craton: Insights from detrital zircon UâPb and Hf isotopes. Gondwana Research, 28 (4) 1361-1372 doi:10.1016/j.gr.2014.10.010 | Journal (article/letter/editorial) | Janardhan, 1994). Sample SRG-2 was collected from a fuchsite-bearing quartzite band of the Sargur belt in the...Dorigallu village (78°04â˛51âłE, 14°25â˛20âłN), along the south-western margin of the Proterozoic pericratonic Cuddapah...anorthosites from the Sittampundi Complex, to the south of the Dharwar craton, also record the same distribution...(Murchison-Northern Kaapvaal, Barberton North and Barberton South) and the two WDC samples, whilst the kink in ÎľHf...Kaapvaal, southern marginal zone. LIM â Limpopo belt. BS â Barberton south. FRAN â Franciscan arc. (c) China | | | Book (edition) | Mineral Descriptions Molybdenite in Graphite; Bogala Mine, Sri Lanka 51 Copper, native Synonym(s): Cuivre...grey); North Mine (North Broken Hill Mine; NBH Mine), Broken Hill, Yancowinna Co., New South Wales, Australia;...vein in jasper (red internal reflections); MadenkĂśy Mine, Ăayeli, Rize Province, Black Sea Region, Turkey...argentite reaction rim (greenish grey; arg); Monte Narba Mine, San Vito, Cagliari Province, Sardinia, Italy; PPL...matrix (dark grey); HimmelsfĂźrst Mine, Brand-Erbisdorf, Freiberg District, Erzgebirge, Sachsen, Germany | | | 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 SoviĂŠtica), 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) | INVESTIGATED IN OUR LABORA TORY .A.PP6 B.A.TESLIMITED .AFRICA HOUSE, KINGSWJlY, LONDON, W .C.2 Telephone : CHA...Is.. ⢠180° 110° 120° 150" .. Editorial Africa a few years ago played only a small part in the...far-reaching and remarkable developments in ''Africa South of the Sahara.'' have followed within recent...Territories throughout the world, four-fifths are in Africa, where a dozen or more such territories-almost...and international geological conferences held in Africa and elsewhere, and call particular attention to | | | Conference Proceedings | the Netherlands, Norway, Russia, Singapore, South Africa, Spain, Sri Lanka, Switzerland, Sweden, Tanzania...restriction does not include Honorary Members. Local Guests are gemmologists who may be invited by the...Maria Teresa Caldes, Stephane Jobic: Introduction to mine ralomimetism : the case of photochromic sodalite...S. Ercit : Canadian gem tourmaline and the Leduc mine. 10:00 â 10:20 Hänni, H.A., Milisenda, C., Wang...from a new occurrence from Paramathi in Karur district of Tamil Nadu, India. 12:00 â 12:20 Wilawan | | | Journal (issue) | SHOWS TABULAR BLUE BERYL ON TOURMALINE DEO DARRAH MINE, NEAR PATTA GUZAR, BADAKSHAN, AFGHANISTAN 6CM TOM...bucolic, the mining history is interesting, and the local geology is rather unusual. In addition, the largest...largest of the three mines, the Wiesergut mine, has produced the world's finest specimens of crystallized...and one-of-a-kind pieces. But the little mining district shows no signs of shutting down, and collectors...mines are located in the municipality of Tragoss-Sankt Katharein, in the district ofBruck-Miirzzuschlag |
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