 | | Journal (article/letter/editorial) | | mineralisation in granites of the Bushveld Complex, South Africa L. J. Robb, L. A. Freeman and R. A. Armstrong...mineralisation in granites of the Bushveld Complex, South Africa. Transactions of the Royal Society of Edinburgh:...mineralisation in granites of the Bushveld Complex, South Africa L. J. Robb, L. A. Freeman and R. A. Armstrong...mineralisation (typified by the endogranitic Zaaiplaats tin deposit) is related to incompatible trace element...deposits and the exogranitic, sediment-hosted Rooiberg mine) which is dominated by polymetallic sulphide ores |  | | Journal (article/letter/editorial) | | mechanism of formation for Maggs Pipe, Zaaiplaats tin mine, South Africa P.J. Pollard, R.G. Taylor and N.M...and Bobbejaankop Granite at the Zaaiplaats mine are host to major tin mineralization. Detailed textural...Preliminary observations on several other pipes at Zaaiplaats indicate that quartz and feldspar dissolution...further constrain models of pipe formation at Zaaiplaats, a detailed textural and mineralogical study...Mineralization in granite- and porphyry-related tin systems sometimes occurs as cylindrical or pipe-shaped |  | | Journal (article/letter/editorial) | | the Witwatersrand, Private Bag 3, Wits 2050 South Africa email: kinnairdj@geosciences.wits.ac.za F.J...the Witwatersrand, Private Bag 3, Wits 2050 South Africa email: krugerj@geosciences.wits.ac.za R.G....Wits 2050 South Africa cawthorng@geosciences.wits.ac.za Ā© 2004 Geological Society of South Africa ABSTRACT...data obtained for an āevolvedā feldspar from the Zaaiplaats granite. We recognise two distinct processes...marginal tectonism of the Kaapvaal craton in the Limpopo belt, which may have been a longer-lived event |  | | Journal (article/letter/editorial) | | University of the Witwatersrand, Johannesburg, 2050, South Africa Current address: Department of Geology, Rand...Box 524, Auckland Park, Johannesburg, 2006, South Africa e-mail: glgy13@na.rau.ac.za L.J. Robb EGRI-HAL...2050, South Africa e-mail: robblj@geosciences.wits.ac.za Ā© 2004 Geological Society of South Africa ABSTRACT...ABSTRACT Field mapping of a region in the central southeastern portion of the Bushveld Complex in an area... Located in the central northeast region of South Africa, north of Pretoria (Figure 1), the Complex is |  | | Journal (article/letter/editorial) | | of the Mineralizing Fluids at the ZaaiplaatsTin Mine, PotgietersrusDistrict G. VON GRUENEWALDT Institute...Taylor, P. THE close genetic relationshipbetween tin miner- Pollard, and co-workers.In effect, therefore...Setting of the Mineralization examples. The Zaaiplaats tin mine is situated within the Three different types...endograniticmineralization are developedat the Zaaiplaatstin mine. First, northwesternpart of the BushveldComplex...and are underlainby metasedimentsof the ore of the mine sinceits discoveryin 1906. These Pretoria Group |  | | Journal (article/letter/editorial) | | lSystemin BushveldGranites at the ZaaiplaatsTin Mine: LeadIsotopeEvidence N. J. MCNAUGHTON, KeyCenter...NorthQueeaslaad, Townsville 4811,Australia Abstract Tin mineralizationat Zaaiplaatsis hostedin alkalifeldspargranitesof...different,variablymineralizedgranitebodiesat Zaaiplaats showa relativelyrestrictedrangefrom961 _ 129...andprecipitationof the lateststageminerals(e.g., galena)at 200Ćø to 300ĆøC. The highsteady-state temperaturerequiredto...withintheBushveld granitesispreservedat theZaaiplaatstin mine, where disseminated and pipe-style magmatichydrothermalfluidsover |  | | Journal (article/letter/editorial) | | Department, Pretoria University, Hillcrest 0002, South Africa Received: 17 May 1994/Accepted: 9 December 1994...Rustenburg Layered Suite of the Bushveld Complex. Field and geochemical characteristics of these volcanic...Box 91230, Auckland Park, 2006, Johannesburg, South Africa ** Anglo American Research Laboratories, P.O...O. Box 106, Crown Mines, 2025, Johannesburg, South Africa The events comprising the Bushveld Complex...Granophyre Suite, RGS; SACS, 1980) in southern Africa are of enormous spatial extent. Volcanic rocks |  | | Journal (article/letter/editorial) | | PervasivelyAltered BushveldGranitesat the ZaaiplaatsTin Mine P. J. POLLARD,R. G. TAYLOR, Departmentof Geologyand...Nedlands, Western Australia 6009, Australia Abstract Tin with associated tungstenand rare earth elementmineralizationat...scheelite, synchisite,arsenopyrite,chalcopyrite,galena,and other sulfidephases.Pervasivealteration of...tectonicfracturing duringcrystallization of the granitesat Zaaiplaats wasprobablythe mostcrucialfactorin the developmentof...1976; Cuney et al., 1985). However, in disseminated tin depositscassiterite formsasa cavity-fillingandreplacementmineral |  | | Journal (article/letter/editorial) | | Disseminatedand Pipe-Style Mineralization at the ZaaiplaatsTin Mine P. J. POLLARD, Departmentof Geology, JamesCookUniversity... Townsville,Queensland4811, Australia Abstract Tin-tungsten-rare earth elementmineralizationat Zaaiplaatsis...temperatures, andindicatethatoxygenisotopevariationat Zaaiplaats reflectsexchange between the graniteandthe magmaticfluid...characteristic feature of granitesassociated with tin mineralizationandprovidesa recordof interactionbetweenthe...1954; Crocker,1986; PollardandTaylor, 1986) is a tin-tungsten-rare earth element-mineralizedsystemwhich |  | | Journal (article/letter/editorial) | | In the mineralized Bushveld granites of the Zaaiplaats area, sub-solidus alteration is extreme. Our...University of Pretoria, Pretoria 0002, Republic of South Africa 1384 GUNTHER J. KLEEMANN AND DAVID TWIST... 1987). Their disparate ages, evident from the field relationships, are thus indirectly confirmed. This...paper will document and discuss aspects of the field geology, petrography, and geochemistry of the Bushveld...and their country rocks are readily amenable to field study. Although this report focuses on the area |  | | Journal (article/letter/editorial) | | matrix-matched reference material: Examples from worldwide tin deposits spanning the Proterozoic to the Tertiary...matrixmatched reference material: Examples from worldwide tin deposits spanning the Proterozoic to the Tertiary...matrix-matched reference material: Examples from worldwide tin deposits spanning the Proterozoic to the Tertiary...Abstract. Cassiterite (SnO2), a main ore mineral in tin deposits, is suitable for UāPb isotopic dating CR...cassiterite from tin deposits in Bolivia, Brazil, China, Russia, Saudi Arabia, South Africa, IP Spain, |  | | 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 |  | | Report (issue) | | ASSISTANCE OF THE SCIENTTFIC AND TECHNICAL STAFF TIN ORES BY G. M. DAVIES, M.Sc. (LoND.), F.G.S. Scientinc... CONTENTS CHAPTER I TIN ORES : T THE ORES R OCCURRENCE, CHARACTERS AND USES PAOB OF TIN-WORLD'S PRODUCTION...PRODUCTION OF TIN ORE-VALUATION OF TIN ORE-THE PRICE OF TIN -THE PROPERTIES OF TIN-THE USES OF TINā¢ SECONDARY...SECONDARY TIN ā¢ ā¢ ā¢ ā¢ ā¢ I CHAPTER II SOURCES OF SUPPLY OF TIN ORES {a) BRITISH EMPIRE : Europe : United...Settlements . 29 Africa: Gold Coast, Nigeria, N yasaland, Rhodesia, Union of South Africa, Swaziland 47 |  | | Report (issue) | | International Strategic Minerals Inventory Summary Report-Tin Prepared as a cooperative effort among earthscience...Federal Republic of Germany, the Republic of South Africa, the United Kingdom, and the United States of... International Strategic Minerals Inventory Summary Report-Tin By David M. Sutphin, Andrew E. Sabin, and Bruce L...Federal Republic of Germany, the Republic of South Africa, the United Kingdom, and the United States of...International Strategic Minerals Inventory summary report- Tin I by David M. Sutphin, Andrew E. Sabin, and Bruce |  | | 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 āhandbook 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) | | 20013 pohwatp@si.edu FLUORITE Part 2 Huanggang Mine, Inner Mongolia, China T he first part of this...this column concentrated on the North and South American fluorite localities (Pohwat 2013). In this installment...penetration type. Associated minerals include sphalerite, galena, siderite, and quartz. Casts of quartz after fluorite...northern England, particularly from the Rogerley mine, has made these classic specimens available once...localities. The mines of Cornwall have been mined for tin at least since the time of the Roman Empire. Later |  | | Journal (article/letter/editorial) | | Valley-type (MVT) deposits, Transvaal Supergroup, South Africa Stephen E. Kesler a,ā, Martin Reich a,b , Marlon...NeoarcheanāPaleoproterozoic Transvaal basin in South Africa, which were deposited before the 2.4 to 2.0...Paleoproterozoic Transvaal Supergroup of southern Africa ā Corresponding author. Tel.: +1 734 763 5057;...sulfate-rich basinal brines transport metals to local areas containing reduced sulfur (Anderson, 1983;...the Transvaal and Griqualand West basins in South Africa and the Kanye basin in Botswana (Fig. 1). These |  | | Journal (article/letter/editorial) | | A. LEUBE PART II. PETROLOGY, AND SOUTH TIN MINES, AFRICA E. F. STUMPFL MINERALOGY AND GEOCHEMISTRY.......................................... 531 B-Mine (Nieuwpoort) .....................................more acceptable. In Figure 19, the composition field of the Rooiberg"quartzites"is projecteduponPettijohn's...originally were ROOIBERG ā¢IND LEEUIJ/POORT TIN MINES 529 rich in primarycarbonate. On the contrary...occupiesa WNW striking belt about 2,000 feet wide just south of Rooibergvillage. Total feldsparcontentof arkositesfrom |  | | Journal (article/letter/editorial) | | MEASUREMENTS OF GALENA B. WessBnsranv, GeologicalSurvey, M'ines Dept.,* Pretorio, (Jnion of Soulh Africa. Asstnact...Asstnact Precision lattice determinations of galena are virtually lacking; this paper partly rectified this...9240 +0.0004 kX units. The process of pulverizing galena preparaLory to r-tay examination causes crystal...the first time from o-ray powder photographs of galena. Such data made it clear that bismuth can substitute...shrinkage of the unit cell. Apparently identical galena specimens can readily be difierentiated spectrochemically |  | | Report (issue) | | Tin Chapter S of Critical Mineral Resources of the United StatesāEconomic and Environmental Geology and...106.4 silver 107.9 cadmium 112.4 indium 114.8 tin 118.7 antimony 121.8 tellurium 127.6 iodine 126...Matrix Minerals; used with permission. Right, wood tin cassiterite. Photograph copyright Ā© R. Weller, Cochise...Cochise College; used with permission. Tin By Robert J. Kamilli, Bryn E. Kimball, and James F. Carlin...J., Kimball, B.E., and Carlin, J.F., Jr., 2017, Tin, chap. S of Schulz, K.J., DeYoung, J.H., Jr., Seal |  | | Journal (article/letter/editorial) | | the central part of the defunct Zeehan mineral field (Anderson, 1986; Anderson, 1990). The deposits are...related to Devonian granitoids and traditionally the tin-bearing fluids have been considered magmatic fluids...process. The first step involved the enrichment of tin, fluorine, boron and other incompatibles during late-stage...reacting with the granite, altering and extracting tin and fluorine from the enriched zones. These fluids...Queenstown \ O-D / ^^ ~ PreCambrian sediments Mine Fault Macqane k Harbour 0 Fault 10 20 km i |  | | Journal (issue) | | BIBLIOGRAPHY OF THE GEOLOGY AND MINERALOGY OF TIN BY FRANK L. HESS and EVA HESS (PUBLICATION 1987^)...abbreviations used Bibliography arranged by countries: Africa 3 19 Alabama Alaska Argentine Republic Asia...California 48 Canada Cape Colony Carolina, North and South 51 Ceylon 54 Chili 55 50 52 China 55 Colorado...123 123 New Guinea New Hampshire New Jersey New South Wales New Zealand 124 124 124 124 132 132 Nigeria...Domingo Scotland Siam Siberia South America South Australia South Dakota Spain Swaziland ; 145 146 |  | | 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 SoviĆ©tica), 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 provĀ inces, in |  | | Journal (article/letter/editorial) | | University, Private Bag X1, Matieland 7602, South Africa. e-mail: buick@sun.ac.za C. LANA Department...University, Private Bag X1, Matieland 7602, South Africa e-mail:cristianodeclana@gmail.com Present address:...Gregory@curtin.edu.au Ā© 2011 March Geological Society of South Africa ABSTRACT Monazite occurs in association with...the Nebo Granite, Klipkloof Granite and Makhutso SOUTH AFRICAN JOURNAL OF GEOLOGY, 2011, VOLUME 114.1 PAGE...Granite (SACS, 1980), together with a number of local, geographically restricted variants. From floor |  | | Report (issue) | | . ECONOMIC GEOLOGY SERIES THE GARUB FLUORSPAR MINE by WPDeKock IJ ā¢ā¢ ii( If If IIĀ· 1111, .-- ...037 ECONOMIC GEOLOGY SERIES THE GARUB FLUORSPAR MINE by WPDeKock MINISTRY OF MINES AND ENERGY GEOLOGICAL...cOU1Dencedoperations property taken as a le ad mine. by 11:r. 'M.D. Black. and nothing t'urther gosoa...unrrofitable; fluorsper to 11a7, 1932, to be ot the galena consignnenta the years ,rca JtJDJary propoaition...time Situation. The mine propar 83, is situated in tbe lteetmansboop district, are doom in the |
|
