| 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...earth element minerals monazite, REE-Fcarbonates (bastnĂ€site, parisite, synchysite), ancylite, britholite | | | Journal (article/letter/editorial) | phoscoriteâcarbonatite association at Phalaborwa, South Africa Lorenzo Milani 1 & Robert Bolhar 1 &...of the phoscoriteâcarbonatite 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 | | Neave, David A., Black, Martin, Riley, Teal R., Gibson, Sally A., Ferrier, Graham, Wall, Frances, Broom-Fendley, Sam (2016) On the Feasibility of Imaging Carbonatite-Hosted Rare Earth Element Deposits Using Remote Sensing. Economic Geology, 111 (3) 641-665 doi:10.2113/econgeo.111.3.641 | Journal (article/letter/editorial) | exceptions of monazite-(Ce), bastnĂ€site(Ce), parisite-(Ce,) and synchysite-(Ce), there are few published...49 Goethite Phlogopite 3 20 37 BastnĂ€site-(Ce) Monazite-(Ce) Magnetite 9 5 500 1000 1500 2000...spectrum for bastnĂ€site that is from Turner et al. (2014). Note the complexity of bastnĂ€site-(Ce), monazite-(Ce)...monazite-(Ce), and fluorapatite spectra that result from REE-related absorptions. Deep Nd absorption features...Notable exceptions include the growth of primary bastnĂ€site-(Ce) at Mountain Pass (Mariano, 1989) and burbankite | | | Journal (article/letter/editorial) | recent article âThe Minerals of Palabora, Limpopo Province, South Africaâ went to press in the September/October...occurrence of rare-earth elements (REEs) in the Palabora carbonatite was published by Giebel et al. (2017)...minerals that must now be included as reported from Palabora. Note that phases not currently afforded species...Giebel et al. (2017). Ancylite-(Ce), (Sr,Ca)(Ce,REE) (CO3)2(OH)H2O Anzaite-(Ce), Ce4FeTi6O18(OH)2 Barytocalcite...Barytocalcite, BaCa(CO3)2 BastnĂ€site-(Ce), (Ce,La)(CO3)F Burbankite, (Na,Ca,î”)3 (Sr,Ba,Ca,REE)3(CO2)3 Carbocernaite | | 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...carbonate) and ore minerals (e.g., monazite, bastnĂ€site, allanite) 94 during metasomatism still remains...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 | | 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)...baryte and, to a lesser extent, strontianite, bastnĂ€site, and synchysite. Varieties of carbonatite that...ancylite-dominant. The influence of sulfate-rich Ba-Sr-REE fluid on the apatite-bearing rocks resulted...breccias of magnesiocarbonatites with quartz-bastnĂ€site matrixes were formed. Simultaneously, strontianite | | | Journal (article/letter/editorial) | CSIRO Mineral Resources, Private Bag 10, Clayton South, VIC 3169, Australia Abstract Rare earth elements...resources are hosted by carbonatite deposits, and bastnĂ€site, monazite, and xenotime are the three most significant...tailings from Bayan Obo but with smaller resources at Palabora, Steenkampskraal, and Mary Kathleen) and 12.4...Browns Range, etc.) defining the LREE as including La, Ce, Pr, and Nd, whereas the HREE (as reported by the...31 Optics, batteries, catalysis, hydrogen storage Ce 58 Cerium Light 63 Chemical applications, coloring | | | Journal (article/letter/editorial) | aegirine-augite and generation II in association with bastnĂ€site-(Ce). We investigated chemical composition of the...much higher concentrations of Sr (up to 234 ppm) and Ba (up to 20,796 ppm), but lower levels of Li (47.5â126...ore comprising fluorite, quartz, calcite, and bastnĂ€site-(Ce). Mineral abbreviations: Ab, albite; Agt, aegirine-augite;...aegirine-augite; Arf, arfvedsonite; Bsn, bastnĂ€site(Ce); Cal, calcite; Fl, fluorite; Kfs, K-feldspar;...calcite-bastnĂ€site- two generations. Categorization of the two biotite generations was (Ce) ores. BastnĂ€site-(Ce) | | Liu, Taotao, Song, Wenlei, Kynicky, Jindrich, Yang, Jinkun, Chen, Qian, Tang, Haiyan (2022) Automated Quantitative Characterization REE Ore Mineralogy from the Giant Bayan Obo Deposit, Inner Mongolia, China. Minerals, 12 (4) 426 doi:10.3390/min12040426 | Journal (article/letter/editorial) | deposit. The mineral composition, occurrence, and Ce elemental deportment of the borehole ores at different...in abundance and occurrence. Monazite-(Ce) and bastnĂ€site-(Ce) are the primary REE host minerals, and...parisite-(Ce)/synchysite-(Ce), cerite-(Ce), huanghoite-(Ce)/cebaite-(Ce), and aeschynite-(Ce), are significant...deposit. Keywords: REE mineralization; monazite; bastnĂ€site; Bayan Obo; TIMA with regard to jurisdictional...426 4 of 21 (Ce), REE fluorocarbonate minerals (e.g., bastnĂ€site-(Ce) and parisite-(Ce), columbite-(Fe) | | Ciobanu, Cristiana, Kontonikas-Charos, Alkis, Slattery, Ashley, Cook, Nigel, Wade, Benjamin, Ehrig, Kathy (2017) Short-Range Stacking Disorder in Mixed-Layer Compounds: A HAADF STEM Study of BastnĂ€site-Parisite Intergrowths. Minerals, 7 (11) 227 doi:10.3390/min7110227 | Journal (article/letter/editorial) | Mixed-Layer Compounds: A HAADF STEM Study of BastnĂ€site-Parisite Intergrowths Cristiana L. Ciobanu 1...occurrence adjacent to the Olympic Dam deposit, South Australia. The aims are to define the species present...intergrowths account for the compositional range between bastnĂ€site and parasite, as measured by electron probe microanalysis...These comprise rhythmic intervals of parisite and bastnĂ€site, or stacking sequences with gradational changes...slab stacking between B, BBS and BS types (BâbastnĂ€site, Sâsynchysite). An additional occurrence of an | | | 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) | Fe-dolomite, barite, Ba-bearing phlogopite, hematite with accessory apatite, calcite, monazite-(Ce) and quartz...breaking down in igneous carbonatite, and monazite-(Ce) precipitating in rĂždbergite. The importance of micro-veins...also presented. These acted as a trap for monazite-(Ce) precipitation, a mechanism predicted by physical-chemical...carbonatite-hosted REE re- 1. Introduction The Fen Complex in south-eastern Norway (Fig. 1) is one of the classic carbonatite...Obo (China), AraxĂĄ and CatalĂŁo (Brazil), Phalaborwa (South Africa) are the main sources for light rare earth | | Liu, Shang, Fan, Hong-Rui, Yang, Kui-Feng, Hu, Fang-Fang, Wang, Kai-Yi, Chen, Fu-Kun, Yang, Yue-Heng, Yang, Zhan-Feng, Wang, Qi-Wei (2018) Mesoproterozoic and Paleozoic hydrothermal metasomatism in the giant Bayan Obo REE-Nb-Fe deposit: Constrains from trace elements and Sr-Nd isotope of fluorite and preliminary thermodynamic calculation. Precambrian Research, 311. 228-246 doi:10.1016/j.precamres.2018.04.021 | Journal (article/letter/editorial) | Fluorites of diïŹerent occurrences and associated bastnĂ€site and monazite have similar Nd isotopic components...dolomite. The Sm-Nd system of some ïŹuorite and bastnĂ€site were reset during the Paleozoic alteration triggered...Na-amphiboles and REE/Nb-bearing minerals (e.g. bastnĂ€site, huanghoite, pyrochlore). The Th-Pb dating of...isochron age of ïŹuorite, aegirine, calcite and bastnĂ€site monominerals from veined-breccia type REE-Nb...trace elements and Sr-Nd isotopic components. BastnĂ€site and monazite associated with these ïŹuorites were | | | Book (edition) | penetrabrown on tion twins edges Germanocolusite Loparite-(Ce) Klockmannite yes strong, brownish grey strong...Hydrohetaerolite Schafarzikite Ilmenorutile Powellite Davidite(Ce, La, Y) Tapiolite-(Mn) Sphalerite Wurtzite Groutite...OxyplumboromeÌite Birnessite Linarite Joaquinite-(Ce) Scheelite Annabergite Reflection Colour & Ă... 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; | | | Book | Kuopio, Finland P. Heino Yara Suomi Oy, SiilinjĂ€rvi Mine, SiilinjĂ€rvi, Finland R.J. Herrington The Natural...US T. Huhtelin QP-FRB Outokumpu Ferrochrome Kemi Mine, Kemi, Finland E. Hyvönen Geological Survey of Finland...Survey of Finland, Rovaniemi, Finland, Mustavaara Mine Ltd, Oulu, Finland J. Kinnunen Mawson Resources...Oulu, Finland Contributors T. MĂ€ki PyhĂ€salmi Mine Oy, PyhĂ€salmi, Finland H.V. Makkonen Geological...Taipale Palsatech Oy, Rovaniemi, Finland Mustavaara Mine Ltd, Oulu, Finland, Finland O.T. RĂ€mö University | | | Book | is the minimum grade at which it is worthwhile to mine a certain deposit. Everything below it (low-grade...chalcopyrite (brass) from the Friedrich-Christian Mine in Wildschapbach, Black Forest (Germany) (photo...generally occur only in minor quantities, but can be of local importance. Rare-earth elements (REEs) represent...from the minerals monazite (REE phosphate) and bastnĂ€site (REE fluorocarbonate). Lithium and zinc can even...black Fig. 1.2 Chalcopyrite on quartz. Silberwiese Mine, Oberlahr, Westerwald (Germany) (photo © Monika | | | Conference Proceedings (Volume) | Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started...charnockitic footwall of the Spruce Road deposit, South Kawishiwi intrusion, Duluth Complex, Minnesota,...Complex in the vicinity of the Steelpoort fault, South Africa â petrogenetic implications ..................alteration of the Uitkomst Complex, Mpumalanga, South Africa ..............................................the UG-2 chromitite, western Bushveld Complex, South Africa ......................................... | | | Conference Proceedings (Volume) | Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started...Heerenveen granites/pegmatites (Barberton area, South Africa): a possible source for the Dominion Reef quartz...of the pelitic schist in the Dufferin Lake Zone, south central Athabasca Basin, Saskatchewan, Canada ...through polycyclic orogeny: the example of the Litsa district, Russia Anne-Sylvie AndrĂ©-Mayer, Michel Cuney...mantle-crustal ore-forming systems of the Pechenga ore district (Fennoscandian shield) ..................... | | | Book | Orogen has been formed by the collision between South China and North China continents. It includes four...termed Huaxiong Block, North Qinling Accretion Belt, South Qinling Fold Belt, and Songpan Fold Belt. It witnessed...eventually formed by the Mesozoic collision between the South China and North China continents. The Mesozoic collisional...deïŹned by the Longmenshan-Dabashan Fault to the south and the Sanmenxia-Baofeng (San-Bao) Fault to the...Craton), the North Qinling Accretion Belt (NQL), the South Qinling Fold Belt (SQL) and the Songpan Fold Belt |
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