 | Giebel, R. Johannes, Gauert, Christoph D.K., Marks, Michael A.W., Costin, Gelu, Markl, Gregor (2017) Multi-stage formation of REE minerals in the Palabora Carbonatite Complex, South Africa. American Mineralogist, 102 (6) 1218-1233 doi:10.2138/am-2017-6004 | Journal (article/letter/editorial) | | formation of REE minerals in the Palabora Carbonatite Complex, South Africa R. Johannes Giebel1,2,*, Christoph...250 Nelson-Mandela-Drive, Bloemfontein 9300, South Africa 3 Department of Applied Geology and Geohazards...PO Box 94, Artillery Road, Grahamstown 6140, South Africa 5 Department of Earth Science, Rice University... Abstract The 2060 Ma old Palabora Carbonatite Complex (PCC), South Africa, comprises diverse REE mineral...the PCC as well as in a carbonatite complex in South Africa. The variable REE mineral assemblages reflect |  | Bolhar, Robert, Whitehouse, Martin J., Milani, Lorenzo, MagalhĂŁes, 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,â , 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) | | Federal Republic of Germany, the Republic of South Africa, the United Kingdom, and the United States of...Federal Republic of Germany, the Republic of South Africa, the United Kingdom, and the United States of...Federal Republic of Germany, the Republic of South Africa, the United Kingdom, and the United States of...Sector (MPS) (retired); Sebastiaan J. Van Graan, South African Department of Mineral and Energy Affairs... Of these resources, some 71 percent are in South Africa, Australia, and the United States. The principal |  | Scoates, James S, Wall, Corey J, Friedman, Richard M, Weis, Dominique, Mathez, Edmond A, VanTongeren, Jill A (2021) Dating the Bushveld Complex: Timing of Crystallization, Duration of Magmatism, and Cooling of the Worldâs Largest Layered Intrusion and Related Rocks. Journal of Petrology, 62 (2) doi:10.1093/petrology/egaa107 | Journal (article/letter/editorial) | | on integrated UâPb zirconâbaddeleyiteâtitaniteârutile geochronology is presented for samples of different...roof, and a carbonatite from the nearby alkaline Phalaborwa Complex. The results indicate that (1) the Bushveld...progressively filled and cooled magma chamber, and (3) UâPb rutile dates constrain cooling of the intrusion at the...Zone through 500 C by 2053 Ma. The c. 2060 Ma Phalaborwa Complex (pyroxenite, syenite, carbonatite ĂŸ ...Paleoproterozoic Bushveld Complex in the Kaapvaal craton of South Africa includes an immense layered intrusion characterized |  | | Journal (article/letter/editorial) | | Guli, Russia (Kogarko et al. 1991); and Palabora, South Africa (Sharygin et al. 2011), suggests that calcite-...well documented carbonatite provinces: (a) East Africa (Kenya, Uganda, Tanzania, and one occurrence in...common in typical magmatic carbonatites, and local enrichment in Ba suggests that by todayâs terminology, the...country rock by fenitisation-type metasomatism are Ba, Nb, Sr, Sc, Rb, Zn, V (Le Bas 2008) and in some...fenitisationtype metasomatism are carbonates, apatite, barite, rutile, magnetite, titanite, pyrochlore, monazite-(Ce) |  | | Journal (issue) | | PROJECTS SIX STAR PERFORMERS P44 MINING REVIEW AFRICA | JANUARY 2020 LEADING DIGITAL TRANSFORMATION...Research programme aims to 44 50 optimise current mine cycles INDUSTRY INNOVATOR 18 A silver lining for...2020 History repeated at Palabora copper mine Gold Fieldsâ South Deep mine back in the black Exxaroâs...frontrunner Roxgoldâs Bagassi South mine is worth its weight in gold Mining Review Africa is the exclusive media...EDITORâS CHOICE PROJECTS gives dignity back to South Africa INDUSTRY INNOVATION 62 Investing in African |  | | Journal (article/letter/editorial) | | Medal (gold) and gold-and-quartz specimen, Paymaster mine, Timmins, Ontario, Canada. Royal Ontario Museum...Bromargyrite, Utah, 411 Brookite, Anatase, & Rutile from the Silver Link Mine, Ouray County, Ouray, Colorado, T...Choice, R.B. Cook: Beryl, Variety Emerald, Chivor Mine, Chivor, Colombia, 332-34; Demantoid, Val Malenco...Fluorapatite, Inna Nala, near Fighar Village, Nagar District, Pakistan, 112-14; Microcline, Variety Amazonite...Park County, Colorado, 248-50; Pyrite, Park City District, Utah, 394-96; Rhodochrosite, Alma, Park County |  | Cabral, A. R., Lehmann, B., Kwitko, R., Costa, C. H. C. (2002) The Serra Pelada Au-Pd-Pt deposit, Carajas mineral province, northern Brazil: reconnaissance mineralogy and chemistry of very high grade palladian gold mineralization. Economic Geology, 97 (5) 1127-1138 doi:10.2113/gsecongeo.97.5.1127 | Journal (article/letter/editorial) | | Olympic Dam in South Australia (Oreskes and Einaudi, 1990), Palabora in South Africa (Groves and Vielreicher...860 420 430 370 2200 3000 1200 550 410 1900 1800 Ba (ppm) 3 227 141 34 138 256 173 35 450 433 62 18...Ontario; samples no. 7 to 20 were analyzed by INAA (As, Ba, Br, Ce, Co, Cr, Cs, Eu, Fe, Hf, La, Lu, Na, Nd,...qualitative EDS analysis showed subordinate peaks of P, Ba, Al, and K. Rare crystals of yttrium phosphate (xenotime...few samples were taken from several drill cores south of the open pit (Fig. 2, Table 1). This mineralization |  | Benaouda, Rachid, Kraemer, Dennis, Sitnikova, Maria, Goldmann, Simon, Freitag, Ralf, Bouali, Abdelhafid, Mouttaqi, Abdellah, El Haloui, Rachid, Essaadaoui, Mustapha, Bau, Michael (2020) Thorium-poor monazite and columbite-(Fe) mineralization in the Gleibat Lafhouda carbonatite and its associated iron-oxide-apatite deposit of the Ouled Dlim Massif, South Morocco. Gondwana Research, 77. 19-39 doi:10.1016/j.gr.2019.06.011 | Journal (article/letter/editorial) | | iron-oxide-apatite deposit of the Ouled Dlim Massif, South Morocco Rachid Benaouda, Dennis Kraemer, Maria...iron-oxide-apatite deposit of the Ouled Dlim Massif, South Morocco, Gondwana Research(2019), https://doi.org/10...iron-oxide-apatite deposit of the Ouled Dlim Massif, South Morocco Rachid Benaoudaa*, Dennis Kraemera, Maria...Pre-proof Abstract Recent exploration work in South Morocco revealed the occurrence of several carbonatite...an area Journal Pre-proof of 20,852 kmÂČ in the south of Morocco. The results of these geophysical surveys |  | | 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) | | Sulfides from the carbonatite of the Phalaborwa Complex, South Africa, exhibit only minor variations in...area of approximately 100 km2, situated ca. 7.5 km south of the border between Angola and Namibia (Fig. 1)...calcite, dolomite, pyrochlore, biotite, apatite, rutile, ilmenite, pyrrhotite and pyrite. Large bodies...(DrĂŒppel 2003, DrĂŒppel et al. 2005). Flow-banding and local magmatic folding are common structures of these...associated with pyrite. A narrow rim of secondary rutile surrounding ilmenite was observed by von Seckendorff |  | Barbosa, Elisa Soares Rocha, Brod, JosĂ© Affonso, Cordeiro, Pedro Filipe Oliveira, Junqueira-Brod, Tereza Cristina, Santos, Roberto Ventura, Dantas, Elton Luiz (2020) Phoscorites of the Salitre I complex: Origin and petrogenetic implications. Chemical Geology, 535. 119463 doi:10.1016/j.chemgeo.2020.119463 | Journal (article/letter/editorial) | | recent advances in various examples from Brazil, South Africa and Russia (Krasnova et al., 2004a; Lee et al...complexes of the APIP include CatalĂŁo I and II in the south of GoiĂĄs, and Serra Negra, Salitre I, II and III...recently proposed to the genesis of phoscorites from Phalaborwa (Giebel et al., 2019). Their mode of emplacement...activities of FosfĂ©rtil SA, and forms a small plug south of Salitre I. The topographical expression of Salitre...region of perovskite bebedourites (B1b). The center-south portion of the complex is deïŹned by an independent |  | | 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) | | INrr~~Rl()R âą IJ Rlâ:1\ lJ lT () Iâ~ l\11 N lâ:s AFRICA *Algiers Tunis âą NISIA Tripoli Cairo* ALGERIA...Windhoek* Gaborone * Pretoria * Mbabane REPUBLIC OF SOUTH AFRIC1' \ Maputo * LESOTHO MAURITIUS (J Port... MINERALS YEARBOOK MINERAL INDUSTRIES OF r, AFRICA U.S. DEPARTMENT OF THE INTERIOR BUREAU OF MINES...reports and one world overview: Mineral Industries of Africa, Mineral Industries of Asia and the Pacific, Mineral...137 Sierra Leone . . . . . . . . . . . . . 141 South Africa . . . . . . . . . . . . . 145 Sudan . . . . |  | | Journal (article/letter/editorial) | | OCCURRENCE OF MAGNATITE CRYSTALS FROM THE BALMAT DISTRICT, ST. LAWRENCE COUNTY, NEW YORK. S . C. Chamberlain...2500-foot level of the Zinc Corporation of America No. 4 mine near Balmat, New York. This occurrence was brought...OF THE PALABORA MINE, PHALAultramicrotome, and imaged again. Images from both BORWA, SOUTH AFRICA. W. A...result either from partial rounding rocks at the Palabora mine. Chondrodite is Volume 68, March/Aprill993 ...Hale Creek mine, Trinity County, California (Minerals of California, p. 492); the Clark mine, near Copper |  | | Journal (article/letter/editorial) | | CSIRO Mineral Resources, Private Bag 10, Clayton South, VIC 3169, Australia Abstract Rare earth elements...tailings from Bayan Obo but with smaller resources at Palabora, Steenkampskraal, and Mary Kathleen) and 12.4...Nolans Bore, Australia; â Steenkampskraal, South Africa Alkaline complexes and Khibina and Lovozero...Tantalus, Madagascar Tailings Steenkampskraal, South Africa; Port Pirie, Australia; â Mary Kathleen,...other dense, refractory minerals (e.g., zircon, rutile, and ilmenite). Although both placer and HMS deposits |  | | 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 ............................................... |  | Rampilova, Maria, Doroshkevich, Anna, Viladkar, Shrinivas, Zubakova, Elizaveta (2021) Mineralogy of Dolomite Carbonatites of Sevathur Complex, Tamil Nadu, India. Minerals, 11 (4) 355 doi:10.3390/min11040355 | Journal (article/letter/editorial) | | primary minerals. They are indicative of Na, Sr, Mg, Ba, and LREE enrichment in their parental carbonatitic...alteration of pyrochlore into hydropyrochlore, and Ba-enrichment. Also, it leads to formation of monazite-(Ce)...present new mineralogical data on the Sevathur Nb-Ba-REE minerals because little information on many of...synthetic and natural minerals: SiO2 (O,Si), BaF2 (F,Ba), NaAlSi3 O8 (Na), MgCaSi2 O6 (Mg,Ca), Al2 O3 (Al)...(element, detection limits in ppm): SiO2 (Si, 158), rutile (Ti, 120), LiNbO3 (Nb, 142), Sr silicate glass |  | Ying, Yuan-Can, Chen, Wei, Simonetti, Antonio, Jiang, Shao-Yong, Zhao, Kui-Dong (2020) Significance of hydrothermal reworking for REE mineralization associated with carbonatite: Constraints from in situ trace element and C-Sr isotope study of calcite and apatite from the Miaoya carbonatite complex (China). Geochimica et Cosmochimica Acta, 280. 340-359 doi:10.1016/j.gca.2020.04.028 | Journal (article/letter/editorial) | | within the Miaoya carbonatite complex located in the South Qinling 19 orogenic belt, with the aim to better...71 the Phalaborwa carbonatite complex on the southern margin of Kaapvaal craton (South Africa; 72 Milani...between the North China Block (NCB) 113 and the South China Block (SCB) in central China. The orogen is...is subdivided into North 114 Qinling and South Qinling belts by the Shangdan suture (Fig. 1a, b). This...the Silurian to early Devonian subduction of the South Qinling Terrane beneath the 116 North Qinling |  | Gwalani, L. G., Rogers, K. A., DemĂ©ny, A., Groves, D. I., Ramsay, R., Beard, A., Downes, P. J., Eves, A. (2010) The Yungul carbonatite dykes associated with the epithermal fluorite deposit at Speewah, Kimberley, Australia: carbon and oxygen isotope constraints on their origin. Mineralogy and Petrology, 98 (1) 123-141 doi:10.1007/s00710-009-0102-1 | Journal (article/letter/editorial) | | rare earth elements (REE), P, Nb, U, Th, Cu, Fe, Ti, Ba, F, Zr, and other rare or incompatible elements....diamondiferous lamproite diatreme of the Argyle mine (see Jaques et al. 1986). The Yungul carbonatite...carbonatites from the southern outcrop (Yungul South), but recent fieldwork has identified a second locality...Yungul carbonatite (at Yungul North and Yungul South). The inset map of Western Australia indicates location...about 4 km to the south. The two carbonatite dykes, Yungul North and Yungul South, extend over a length |  | | Report (issue) | | pod et Map of fenitized rocks at the Vermiculite mine, showing sample localities and radioactivity anomaly...site of limited mining sin°.e the 1880's. The Gem mine, which consists of a group of shallow workings at...old vermiculite mine in the central part of the complex (called the Vermiculite mine in this report)...report) and the Niles mine at the west edge of the complex produced a combined total of somewhat less than 3...magnetite ore was scraped from the surface at the south border of the complex but the amount recovered and |  | | Book (edition) | | leading to an exsolution process (e.g., hematite, rutile, and ulvöspinel separating from ilmenite). Fe-...differentiated. Thus, oriented exsolution lamellae of rutile, ulvöspinel or ilmenite may occur in titanomagnetite...myrmekitic rutile exsolution (slightly lighter grey) in ilmenite matrix (even grey surrounding of rutile). Post-magmatic...Gallite Pseudobrookite Erdite pink to orange 22 Rutile Digenite orange to brownish light blue-grey;... Mineral Descriptions Molybdenite in Graphite; Bogala Mine, Sri Lanka 51 Copper, native Synonym(s): Cuivre |  | Wilde, Andy, Otto, Alex, Jory, John, MacRae, Colin, Pownceby, Mark, Wilson, Nick, Torpy, Aaron (2013) Geology and Mineralogy of Uranium Deposits from Mount Isa, Australia: Implications for Albitite Uranium Deposit Models. Minerals, 3 (3). 258-283 doi:10.3390/min3030258 | Journal (article/letter/editorial) | | coffinite, brannerite, rare uraninite, ilmenite and rutile. An unusual U-Zr phase has also been identified...Introduction Uranium deposits of the Mount Isa Uranium District (Queensland, Australia) are examples of the epigenetic...ores. Table 1. Uranium resources in the Mount Isa district. Deposit Valhalla Skal Mary Kathleen Odin Bikini...that is particularly well developed along north-south trending structures (Figure 1) [5,6]. Additionally...enrichment in Na, Ca, P, Sr and F with depletion in K, Ba and Si has been noted at Valhalla [3]. Ar-Ar and |  | | Journal (article/letter/editorial) | | logopite (BASP) rock in Achankovil Shear Zone, South India, as a probable cumulate from melts of carbonatite...Institute, Chonbuk National University, Chonju 561-756, South Korea Department of Earth Sciences, Graduate School...Neoproterozoic Achankovil Shear Zone (ACSZ) in South India. The rock unit occurs as isolated outcrops...and Th, and phlogopite is the robust reservoir of Ba and Rb. The concentrations of REE in apatite are...anomaly of apatite, low Ti and Fe, and high Al, Mg, Ba and Rb of phlogopite, as well as actinide enrichment |  | | Catalog/List | | an shale, some with Arsenopyrite (Bedford Consols Mine, Devon England) The size varies from lxl to lx2...C315 single 1/2 ins NATIVE ARSENIC rich (Kusa Mine, near ,Bau, lx2 f.5 âą2x2 EIO crystal, across. ...size Russ1aJ in C317 ASTROPHYLLITE an Quartz, Rutile on quartz. Mjesdorosjinije, Keivy, lx 1/2 f.3 ...of Chalcopyrite. (16 level, Sim.ms Lade, Geevor Mine ,Cornwall) size reflects the area of botryoidal...80 lxl f.9 platy qrey-brown 5mm f.2.50 coverage Mine, small crystals of brown Devon) copper coloured |
|
