 | | Journal (article/letter/editorial) | | CARBONATITE AND PHOSCORITE MAGMATISM OF THE PHALABORWA COMPLEX (SOUTH AFRICA) S.C. ERIKSSON .1 Bernard Price...University of the Witwatersrand, 2001 Johannesburg (South Africa) (Received January 26, 1984; revised and accepted...the Phalaborwa Complex (South Africa). Isot. Geosci., 2: 291--299. The Phalaborwa Complex (South Africa)...Africa) has been dated by U--Pb analysis of uranothorianite and baddeleyite yielding an age of 2047 + 11/--8...an age comparable to the age determined on uranothorianite and provides a reliable age indicator. Ages |  | | Journal (article/letter/editorial) | | phoscorite–carbonatite association at Phalaborwa, South Africa Lorenzo Milani 1 & Robert Bolhar 1 &...of the phoscorite–carbonatite association at Phalaborwa. We trace the behavior of the compatible elements...Witwatersrand, PVT Bag 3, Wits,, Johannesburg 2050, South Africa 2 Department of Earth Sciences, Stellenbosch...Stellenbosch University, PVT Bag X1, Matieland 7602, South Africa 3 Department of Earth Sciences, University...the Western Cape, PVT Bag X17, Bellville 7530, South Africa revealing an evolutionary trend of decreasing |  | | Journal (article/letter/editorial) | | University] at 05:17 17 August 2017 of PALABORA Limpopo Province South Africa MALCOLM SOUTHWOOD 7 Campbell Court...Gauteng Johannesburg, South Africa brucec@uj.ac.za A Figure 1. The abandoned Palabora open pit, photographed...bottom of the pit 300 meters below sea level. The Palabora* Igneous Complex (PIC) is located some 450 kilometers...kilometers northeast of Johannesburg in Limpopo Province, South Africa, just below the Tropic of Capricorn...and vermiculite from the complex. In 1956 the Palabora Mining Company was set up to develop the large |  | | Journal (article/letter/editorial) | | PalaboraIgneousComplex' A Brief Review PALABORA •{INING COMPANY LIMITED AND MINERALOGICAL MINE GEOLOGICAL STAFF Abstract...an economicdepositof copper ore. Magnetite, uranothorianite,and baddeleyiteare subsidiaryproductsof the...innumerable primitiveworkingson Loolekop, 177 178 PALABORA MINING COMPANY 15' LIMITED P..5' 35' ,...•...,..•" • • "..-.. PALABORA I,GNEOUS"---•._ ,.-.• s o ur • L,. AFRICA ! ..'• • • .", i J -"...1. Location map of the Palabora Igneous Complex in the Republic of South Africa. from which the Bantu |  | Milani, Lorenzo, Bolhar, Robert, Frei, Dirk, Harlov, Daniel E., Samuel, Vinod O. (2017) Light rare earth element systematics as a tool for investigating the petrogenesis of phoscorite-carbonatite associations, as exemplified by the Phalaborwa Complex, South Africa. Mineralium Deposita, 52 (8) 1105-1125 doi:10.1007/s00126-016-0708-2 | Journal (article/letter/editorial) | | associations, as exemplified by the Phalaborwa Complex, South Africa Lorenzo Milani 1 & Robert Bolhar...and carbonatite rocks of the Palaeoproterozoic Phalaborwa Complex. Textural and compositional characterization...Witwatersrand, PVT Bag 3, Wits, Johannesburg 2050, South Africa 2 Department of Earth Sciences, University...the Western Cape, PVT Bag X17, Bellville 7530, South Africa 3 Department of Earth Sciences, Stellenbosch...Stellenbosch University, PVT Bag X1, Matieland 7602, South Africa 4 GeoForschungsZentrum Potsdam Telegrafenberg |  | | Journal (article/letter/editorial) | | 1994 Summary Baddeleyite from Palabora Igneous Complex, South Africa, is among the purest natural ZrO2...for a long time prior to the formation of the Palabora Igneous Complex. These data indicate that the...Isotopenzusammensetzung yon Baddeleyit Baddeleyit vom Palabora Igneous Complex, Stidafrika, geh6rt zu den reinsten...fiber einen langen Zeitraum vor der Bildung des Palabora Igneous Corn- 156 T. Reischmann et al. plex...in this study was taken from the Palabora Igneous Complex, South Africa, because in this complex baddeleyite |  | | Journal (article/letter/editorial) | | Porgera, Cripple Creek, Ladolam, Olympic Dam and Phalaborwa examples, are judged to diverge appreciably from...Canyon, New Mexico Foley Ridge and Annie Creek, South Dakota Au–Cu Monzodiorite-quartz monzonite porphyry...trachyte porphyry intrusions in the Black Hills of South Dakota, United States, may also be assigned to the...Dam, all containing >20 million oz Au, and the Phalaborwa copper deposit are prime examples (Table 2)....epithermal category, or Olympic Dam and perhaps even Phalaborwa (Groves and Vielreicher 2001) to the iron oxide-copper-gold |  | Bolhar, Robert, Whitehouse, Martin J., Milani, Lorenzo, Magalhães, Nivea, Golding, Suzanne D., Bybee, Grant, LeBras, Loic, Bekker, Andrey (2020) Atmospheric S and lithospheric Pb in sulphides from the 2.06 Ga Phalaborwa phoscorite-carbonatite Complex, South Africa. Earth and Planetary Science Letters, 530. 115939 doi:10.1016/j.epsl.2019.115939 | Journal (article/letter/editorial) | | sulphides from the 2.06 Ga Phalaborwa phoscorite-carbonatite Complex, South Africa Robert Bolhar a,∗ , Martin...University of the Witwatersrand, Johannesburg 2001, South Africa Swedish Museum of Natural History, Stockholm...Geology, University of Pretoria, Pretoria 0002, South Africa d Department of Geology, University of Maryland...Oxidation Event sulphur isotopes lead isotopes Phalaborwa Complex sub-continental lithospheric mantle magmatic...and carbonatites of the ca. 2.06 Ga Phalaborwa Complex in South Africa. Additionally, sulphide mineral separates |  | | Report (issue) | | SEYCHELLES SIERRA LEONE SINGAPORE SLOVAKIA SLOVENIA SOUTH AFRICA SPAIN SRI LANKA SUDAN SWEDEN SWITZERLAND SYRIAN...and environment, as well as waste management and mine closure. Other topics covered include storage of........................................ 35 5.3.4. Mine closure .................................................................................. 50 SOUTH AFRICA ................................................................... 51 7.5.1. Steenkampskraal 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 (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; |  | | Report (issue) | | SEYCHELLES SIERRA LEONE SINGAPORE SLOVAKIA SLOVENIA SOUTH AFRICA SPAIN SRI LANKA SUDAN SWEDEN SWITZERLAND SYRIAN...CARIBBEAN ISLANDS .................................. 36 SOUTH AMERICA ..........................................Summary for South America ................................................................ 49 AFRICA......................................... 55 6.5.19. South Africa ..................................................................... 60 6.5.24. Summary for Africa .............................................. |  | | Journal (article/letter/editorial) | | and/or craton-scale tectonism associated with the Limpopo Orogeny. Two samples gave TOages of -2350-2400...Geology, University of Cape Town, RondeLwsch7700, South Africa. 1933 1934 C. E. J. de Ronde et al. MOOD/ES...their Rb-Sr ratios from samples located 5-7 km south of the large Nelspruit granite batholith (blank...cryptic tectono-thermal events. LOCA’IION AND LOCAL GEOLOGY The samples chosen for 40Ar/3’Ar stepheating...T /EL ACK CHERT) -__ SIL IC/FlED ULTRAhfAFlC/LOCAL L Y CayTAlNS SPfNlFEX TEXTURES, GREEN CHERTI ff |  | | Report (volume) | | __ _ __ __ __ _ _ _ _ _ __ _ _ _ __ _ _ __ _ _ South America _________________________________________...dredging operations in South Carolina and in Florida. The dredging operations in South Carolina were abandoned...at Steenkampskraal, in the Van Rhynsdorp district, South Africa, provided most of the free world's monazite;...yielded 16,230.7 tons during 1953-56 (Pike, 1958). The mine closed in March 1959 but reportedly was reopened...-------------1 40 (3) 767 1, 497 2, 229 1. 232 1, 971 1, 219 South America: Argentina_________________________________ |  | | Book (edition) | | Venezuela, Brazil, Paraguay, Angola and South-West Africa, i.a. Carbonatites are now the major sources...Canada Brazil Greenland, Europe, and the U.S.S.R. Africa India APPENDICES REFERENCES LOCALITY INDEX SUBJECT...Society of South Africa and C. A. Strauss and F. C. Truter (1950A) : Geological Society of South Africa and...Society of South Africa and R. L. Johnson (1961) 6-12: Geological Society of South Africa and R. L. Johnson... Figure Figure 10-1: Geological Society of South Africa and S.J. Shand (1921A) 10-5: American Journal |  | | Report (issue) | | engineered. Once an ore deposit is discovered, a mine is developed and U extracted by a variety of mining...expensive task, as is getting acceptance by the local community. Some of these higher costs for nuclear... Langer Heinrich (Namibia) Witswatersrand (S. Africa), Blind River/ Elliot Lake (Canada) Streltsovsk...Rössing (Namibia), Ilimaussaq (Greenland), Palabora (S. Africa) Olympic Dam (Australia) Pervomayskoye...Niger, Kazakhstan, Uzbekistan and the Karoo of South Africa. (3) Vein deposits occur as veins in metamorphic |  | Amores-Casals, , Melgarejo, , Bambi, , Gonçalves, , Morais, , Manuel, , Neto, , Costanzo, , Molist, (2019) Lamprophyre-Carbonatite Magma Mingling and Subsolidus Processes as Key Controls on Critical Element Concentration in Carbonatites—The Bonga Complex (Angola) Minerals, 9 (10) 601 doi:10.3390/min9100601 | Journal (article/letter/editorial) | | Cratons and reactivated during the opening of the South Atlantic Ocean in Early Cretaceous [77,78]. This...wollastonite (Si, Kα, TAPH), fluorite (F, Kα, TAPH), barite (Ba, Lα, LIFH), REE-4 (Nd, Lβ, LIFH), rhodonite (Mn,...Carbonatite-Lamprophyre (ICML) (ICML) complex complex is is aa local local heterogeneous heterogeneous unit composed by...crystals are associated with thorutite and uranothorianite (Figure 4c). At last, pyrochlore V grows in...dolomite (Dol) and apatite; replaced byby uranothorianite (Uth) andand thorutite (Tut), filling porosity |  | | Report (issue) | | .............................................. South America................................................... 158 Africa.................................................. 175 South Africa, Republic of............................. 175 Namibia (South West Africa)........................ ZaTre, Republic of...Witwatersrand basin area in the Republic of South Africa (average grade 0.025 percent U308), where uranium...uranium ores of the United States included Ag, As, B, Ba, Be, Cd, Cs, Co, Cr, Cu, Dy, Er, Ga, Gd, Ge , Li |  | | Journal (article/letter/editorial) | | communication). GEOCHEMICAL PROSPECTING 735 and 280 ppm of Ba that substitutefor Ca in the lattice. The titaniferous...n4,000 and 6,000 ppm of Sr but hasonly 43 ppm of Ba. Zircon from Lueshe containsceric rare earths and...mineralssuchas pyrochlore, monazite,thorite, uranothorianite,zircon and apatite that concentrate in residualor...enrichedin somemineralizingelementssuchas Nb, Sr, P, Ba, rare earths,Ti, Zr and thereforetheir geochemistryis...sfound are Nb and Sr and accessorily rare earths,Ba, P, Ti, Zr. The ratio Nb/Ta is high. X-ray fluorescence |  | | Report (issue) | | 4.2. Geologic setting of Witwatersrand district, South Africa..................... 38 2.4.3. Ore geometry...geometry and metallogenesis of Witwatersrand district, South Africa..........................................Malinovskoye (West Siberia), Khiagdinskoye (Vitim district) in Russian Federation and Beverley in Australia...main representative is the Olympic Dam deposit in South Australia. Significant deposits and prospects of...in Australia; Candelaria, Salobo and Sossego in South America; Michelin and Sue-Dianne in Canada. 4. Quartzpebble |  | | Book | | recognition criteria of uranium mineralizations on a local (individual deposit) and regional scale (uranium...individual deposits or districts. (in brackets country, district, deposit reviewed): Adamek P. (Scandinavia), Adams...(general), Bernik J. (Yugoslavia), Brynard S.A. (South Africa, Namibia), Chenoweth W. (Colorado Plateau, USA)...Saucier A.E. (Grants Region, N.M., USA), Smith RB. (South Texas, USA), Tan H.B. (Canada), Thamm J. (Colorado...Intragranitic Vein Uranium Deposits: Limousin/La Crouzille District, France. . . . . . . . . . . . . . . . . . . |  | | Report (issue) | | for foreign countries, if a given name refers to a mine or deposit, a nearby location or administrative...names may be used to refer to a single deposit or mine. For large deposits or mineralized areas, a 3 single...Deposit/Site_Name, is meant to identify the area, deposit, district, mine, or occurrence to which the geologic, economic...duplicates, for some areas we report information for a district or area, as well as for specific deposits or mines...149-158. Birch, G., 1990, Phosphorite deposits on the South African continental margin and coastal terrace, |  | | Book | | major producing districts, or a representative district if there are many. We name the chief mining companies...supply must come not merely from one district but from a single mine. Thus the physical properties of many...eclipsing the mineral magnesite in some areas; the trona mine rather than the Solvay plant is now the main source...comfort. Users of chromite, who must the USSR, South Africa, Albania, and wish that chromite deposits were...Republic of South Africa by the Department of Mines and the Geological Survey of South Africa; such profiles |  | | Book | | Angola, Brazil and Uruguay Kimberlites in western Africa, Brazil and Australia Basic/ultrabasic intrusions...fundamental control on mineralization than the local sedimentary or volcanic environment in the usual...Metal provinces, a term which includes the more local mining districts of Park and MacDiarmid (1964),...for example those drawn by Petersen (1970) for South America and Guild (1974a) for North America. A fairly...intercontinental position of the Alpine chains between Africa and Europe (Fig. 5). Subsequently, to most European |  | | Journal (article/letter/editorial) | | a large magnetiteprospect associated with uranothorianite mineralizationat DuzakhDarreh. Nariganis a... Intrusiverocksare abundantin the Bafq mining district. The metamorphosed mafic rocks and the gneissic...Bafq Holocenealluvium,sanddunes,playa-typemudand district(e.g., Iron Springs,Utah). The upwellingof saltfiats...theBafqmining Zariganis usedby shepherdsin the summertime district. Thereisnoreason to doubtthegeneration of only)...sketch mapoftheregionbetween ArizandZarigan. BAFQ DISTRICT, CENTRAL IRAN 1705 syenite,alkaligranite).The |
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