 | 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 |  | | 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) | | of mica and apatite from the Palabora Carbonatite complex, South Africa R. Johannes Giebel, Michael...of mica and apatite from the Palabora Carbonatite complex, South Africa. Lithos (2018), https://doi.org/10...of mica and apatite from the Palabora Carbonatite Complex, South Africa R. Johannes Giebela, b,* , Michael...-Mandela-Drive, Bloemfont ein 9300, SC a PT Markla South Africa Department of Applied Geology and Geohazards...fenites) of the Loolekop deposit, Palabora Carbonatite Complex (South Africa). Mica in pyroxenites and fenites |  | | Journal (article/letter/editorial) | | PO Box 524, Auckland Park 2006 Johannesburg, South Africa brucec@uj.ac.za I T HAPPENS FROM TIME TO TIME...known were collected at the Palabora mine, Limpopo Province, South Africa (Southwood and Cairncross 2017)...formula of iowaite using crystals from the Palabora mine. Dr. Bruce Cairncross, a consulting editor of...the Linwood mine in Scott County, a Figure 2. Iowaite crystals from the Palabora mine, Limpopo Province...Province, South Africa. The crystals are on calcite that contains tiny magnetite inclusions. The field of view |  | | Journal (article/letter/editorial) | | new, well crystallized material from the Palabora open pit mine, Transvaal. Microprobe, carbon analyser...blue-green. K~YwoRos: iowaite, pyroaurite, Palabora mine, Transvaal Introduction IowArrE was first described... Among a suite of specimens from Palabora open pit mine, Phalaborwa, Transvaal, sent to one of us (R...identical with iowaite. The new material from Palabora mine is far superior to the original iowaite in purity...Description and occurrence The Palabora open pit works parts of the Phalaborwa alkaline complex, the carbonatite |  | 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 |  | | Journal (issue) | | Zeolites and associated minerals from the Palabora mine, Transvaal....................................& R. S. W. Braithwaite The Lake George antimony mine, New Brunswick ..................... 263 by W. E...Kalahari m an g an ese field, C ape Province, South Africa. (See th e article in this issue, b eg in n...July-A ugust, 1991 in the collection from a specific mine, state or country, or all the gem beryls over 20...Europe and South America, $7.50/$8.00; by airmail to Australia, New Zealand and South Africa, $8.50/$9 |  | | Journal (article/letter/editorial) | | characteristic of all nine ancient platformsâNorth American, South American, African, East European, Siberian, Chi...provincesâEast European, Siberian, African, North American, South American, and Indianâwere described. Mono or polycyclic...Canada; Mount Velde in Australia; Palabora (Phalaborwa) in South Africa; Luesh in Zaire; and Mabuni in Gabon);...pipe in Tanzania, and the Pre mier pipe in South Africa); (3) PGEbearing copperâ nickel deposits (NorilâskI...Talnakh, Oktyabrâsky, and others in the Norilâsk ore district); (4) magnomagnetite deposits (Korshunovo, Okty |  | | Journal (article/letter/editorial) | | Park 2006 Gauteng, South Africa brucec@uj.ac.za Desmond Sacco Johannesburg, South Africa All photos by the...Although the collection focuses primarily on the Tsumeb mine and the Kalahari manganese field, other âclassicâ...Onganja, Berg Aukas, Rosh Pinah, the Alto Ligonha district of Mozambique, the Goboboseb Mountains, and the...of the Congo. Despite this emphasis on southern Africa, there are also outstanding specimens from other...because this issue of Rocks & Minerals is celebrating Africa and its minerals, these will be featured here and |  | | 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 gray t o colorless calcite, brown acicular celestine, light green talc, and magnetite. Further study...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 |  | | Journal (article/letter/editorial) | | (Brandberg and Erongo) related to the opening of the South Atlantic and the ParanĂĄâEtendeka large igneous province...exceptionally well-preserved Kruidfontein and Goudini in South Africa, Mount Weld and Gifford Creek ferrocarbonatite...many of the non-carbonatitic complexes of southern Africa (Woolley, 2001; Woolley and Kjarsgaard, 2008)....carbonatites from Namibia (Brandberg, Erongo), South Africa (Kruidfontein, Goudini), Western Australia (Mount...B, F), REE and LILE incompatible elements (P, Zr, Ba, Nb, U, Th, Sn, Ta and W) (Bailey et al., 1974; Bailey |  | | 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 |  | Cangelosi, Delia, Broom-Fendley, Sam, Banks, David, Morgan, Daniel, Yardley, Bruce (2020) Light rare earth element redistribution during hydrothermal alteration at the Okorusu carbonatite complex, Namibia. Mineralogical Magazine, 84 (1) 49-64 doi:10.1180/mgm.2019.54 | Journal (article/letter/editorial) | | assemblages. In unaltered carbonatite, REE, Sr and Ba are largely hosted by calcite and fluorapatite. However...the dominant REE host, while Ba and Sr are hosted in baryte, celestine, strontianite and witherite. Hydrothermal...fractionation or addition from an external source. Ba and Sr released during alteration were mainly reprecipitated...also be hosted in burbankite [(Na,Ca)3(Sr,Ca,REE,Ba)3(CO3)5] which commonly forms in a magmatic environment...Tristan da Cunha hot spot and the opening of the South Atlantic (Milner et al., 1995). Okorusu has been |  | | Book | | A CHANGING PLANET 11 Vanadinite, San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 cm Mineral Species...The result may be just a few crystals, as with celestine and fluorite, or the cavity may become lined with...one after the other, as in fluorite growth on celestine. Delicate crystals can be overgrown by another...ct RIGHT: Round brilliant-cut white diamonds, South Africa and Canada « 2.00 ct and 3.06 ct leaves the...for cutting other minerals. Tale, Mpumalanga, South Africa * 19 x 6 x 83cm Hardness 1 Hardness 4 Talc |  | | 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); Madenköy 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); HimmelsfĂŒrst Mine, Brand-Erbisdorf, Freiberg District, Erzgebirge, Sachsen, Germany |  | Kozlov, Evgeniy, Fomina, Ekaterina, Sidorov, Mikhail, Shilovskikh, Vladimir, Bocharov, Vladimir, Chernyavsky, Alexey, Huber, MiĆosz (2020) The Petyayan-Vara Carbonatite-Hosted Rare Earth Deposit (Vuoriyarvi, NW Russia): Mineralogy and Geochemistry. Minerals, 10 (1) 73 doi:10.3390/min10010073 | Journal (article/letter/editorial) | | REE (up to 2.0 wt. %), Sr (up to 1.2 wt. %), and Ba (up to 0.8 wt. %). These carbonatites underwent several...crystallization of apatite in the carbonatites. A sulfate-rich BaâSrârare-earth elements (REE) fluid (probably brine-melt)...ancylite-dominant. The influence of sulfate-rich Ba-Sr-REE fluid on the apatite-bearing rocks resulted...Zealand [57], Norwayin[58], Russia [59â64], South Africa [65,66], [10,11], Canada [12â17], China [18â37]...Namibia New Zealand Norway [58], Russia [59â64], South the weight percentage levels of[54â56], REEs required |  | Dietzel, Christian A.F., Kristandt, Tim, Dahlgren, Sven, Giebel, R. Johannes, Marks, Michael A.W., Wenzel, Thomas, Markl, Gregor (2019) Hydrothermal processes in the Fen alkaline-carbonatite complex, southern Norway. Ore Geology Reviews, 111. 102969 doi:10.1016/j.oregeorev.2019.102969 | Journal (article/letter/editorial) | | 250 Nelson-Mandela-Drive, Bloemfontein 9300, South Africa *Joint first authorship **Corresponding author:...1 km long tunnel leading to the former Tufte Nb mine that was situated in the centre of the Fen complex...patite vein 5 on the western side wall of the mine, which is strongly enriched in monazite and REE-F-carbonates...174 m, 241 m, 278 m and 345 m. At the GruveĂ„sen mine dump (X2 on Fig. 1) several loose blocks of silicified...rĂždberg sample was collected at the dump of the Vasker mine (X3 on Fig. 1). A further 13 samples derive from |  | | Book (volume) | | 128 128 146 168 166 180 SULPHATES Barytes Celestine Gypsum Anhydrite 186 186 196 202 219 CARBONATES...apparently homogeneous cassiterite from Westland, South Island, New Zealand (in Hutton, 1950). Spectrographic...On cassiterite and garnet from Kaokoveld, S.W. Africa. Proc. K. Nederland. Akad. Wetensch, vol. 50, p...variety of cassiÂŹ terite from South Africa. Trans. Geol. Soc. S. Africa, vol. 48, p. 1. Little, W. M..../3-AI2O3 (hexagonal) which may contain Na, K, Mg, Ca or Ba, y-Al203 (variously reported to be cubic, tetragonal |  | | Journal (issue) | | Marie, Munchen or by post: ARC DE SANT MĐ°r1i 79 Local, 08032 Barselona, Spain âą KUSTOS- Jonh S. White...calcite; crystal aggregates 15 cm in size. VĐ”rklinii Mine, Dabugorsk, PĐżmorskii Krai, Russia. Specimen: V...(xl), bassanite (x1), Đ«oedite, brochantite (x1), celestine (!Ń
1),copiapite (?), epsomite (xl), gypsum (!Ń
1)...deposit: sulfur, calcite, gypsum, quartzine, celestine, jarosite, basaluminite, goethite, hydrogoethite...be among the bigger crystals for the Crimea). Celestine has been found as colorless, watertransparent |  | | Journal (article/letter/editorial) | | loss of colleagues with strong influence in their local communities. They were not necessarily widely recognizedânone...Cooper, coauthor of Minerals of the English Lake District, Caldbeck Fells, and author of Robbing the Sparry...later became a barite producer. Together with some local copper sites, it offers good micro specimens of...pyromorphite, jarosite, duftite, smithsonite, celestine, and others. Participants found abundant barite...discussed a variety of localities, including the Newry mine and Mount Mica in Maine, the Palermo and Ruggles |  | | Journal (article/letter/editorial) | | drawn with katungites from the Eastern rift zone of Africa (Knorring and Dubois 1961; Le Bas 1977) and the...includes minor contents (1â3 wt%) of carbonates Sr, Ba, Mg. In addition, the salt phase contains appreciable...(1â3%) of magnetite, halite, carbonates of Mg, Fe, Ba, Sr and silicate minerals (melilite, monticellite...found in the inclusions from minerals of ïŹuorite-celestine veins of the carbonatite-bearing Mushugai-Khuduk...small amounts (1â 2 wt%) of carbonates of Sr and Ba as well as magnetite. Halite and silicates (monticellite |  | | Journal (issue) | | important assignment at the Shinkolobwe uranium mine. His supervisor was Johannes Vaes (1902â1978). Gilbert...Southern Rhodesia (Zimbabwe) and Tsumeb, Southwest Africa (Namibia). He had a mini-van-like truck loaded...with his fabulous cuprites from the Mashamba West mine, Gilbert only hinted to a few people of his treasures...would try to bring an example of a wine from their local area as a treat, but quite often the gesture would...524 Auckland Park, 2006 Johannesburg, Gauteng, South Africa Email: bc@rau.ac.za brucec@uj.ac.za (from 2007) |  | | Journal (issue) | | prices include Air Mail. CONTINENTAL EUROPE SOUTH AFRICA I & A Wolters Leeuwendaal 2, 3273 Đ„D Westmaus...(01864)1975 Horst Windinch P.O. ĐĐŸx 17273 Groenkloof South Africa 0027 AMERICAN CONTINENT AUSTRALIA Mrs. J...C. van Loon. Diary of Events 4 2 6 Llywernog Mine and Museum S.J.S. Hughes. ADVERTISING Peter Briscoe...Briscoe 'Lloches' Job Lane, Mattersey, Doncaster. South Yorkshire. DN105HE Tel: (0777) 817593 5 8 2 For...'Golconda' Littleworth Lane, Rossington, Doncaster, South Yorkshire. 2 3 0 Sainte Marie-Aux-Mines Show |  | | Book | | Hydrometallurgical Processing of Low-Grade SulïŹde Ore and Mine Waste in the Arctic Regions: Perspectives and Challenges...hydrometallurgical processing of low-grade sulïŹde ore and mine waste in the Arctic regions. The paper presents...Hydrometallurgical Processing of Low-Grade SulïŹde Ore and Mine Waste in the Arctic Regions: Perspectives and Challenges...Mountains of the Taimyr Peninsula, and from the south, by the Putorana Plateau. The maximum width of the...southern margin of the Taimyr fold belt, and in the south to the northern part of the Siberian craton. Therefore |  | | Journal (article/letter/editorial) | | Kovalenko et al., 1979; Vladykin, 2013) and unusual BaâSr benstonite carbonatites (Pirajno, 2015; Vladykin...large deposits of rare metals was discovered in the South Gobi Desert, Mongolia (Vladykin, 2013). The locations...carbonatites, the rockforming minerals include monazite (Africa, India), bastnaesitesinkhisite (Lugingol, Mongolia...association of trace elements (up to 1000 ppm Cr, Sr, Ba, to 500 ppm Ni, Co and to 300 ppm Nb). In carbonatites...volcanogenic carbonatites (in ppm). Rb Sr Y Zr Nb Ba La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta Pb |
|
