| Xing, Yanlu, Etschmann, Barbara, Liu, Weihua, Mei, Yuan, Shvarov, Yuri, Testemale, Denis, Tomkins, Andrew, Brugger, JoĂ«l (2019) The role of fluorine in hydrothermal mobilization and transportation of Fe, U and REE and the formation of IOCG deposits. Chemical Geology, 504. 158-176 doi:10.1016/j.chemgeo.2018.11.008 | Journal (article/letter/editorial) | VIC 3800, Australia MA 2. CSIRO Mineral Resources Flagship, Clayton, VIC 3168, Australia ED 3. Lomonosov...Lomonosov Moscow State University, Moscow, Russia CE PT 4. CNRS, UniversitĂ© Grenoble Alpes, Institut...attention since it was recognized that the giant Olympic Dam (OD) deposit contains >2 wt.% fluorite. Yet,...Si solubility is enhanced in F-bearing solutions CE (hypothesis (iv)), mainly attributed to the increased...deposits has been highlighted for the supergiant Olympic Dam (OD) deposit (McPhie et al., 2011a), but extends | | 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...The University of Adelaide, Adelaide, SA 5005, Australia; alkiviadis.kontonikas-charos@adelaide.edu.au...The University of Adelaide, Adelaide, SA 5005, Australia; ashley.slattery@adelaide.edu.au (A.S.); benjamin...wade@adelaide.edu.au (B.P.W.) BHP Olympic Dam, Adelaide, SA 5000, Australia; kathy.ehrig@bhpbilliton.com Correspondence:...from an occurrence adjacent to the Olympic Dam deposit, South Australia. The aims are to define the species | | Smith, M.P., Moore, K., KavecsĂĄnszki, D., Finch, A.A., Kynicky, J., Wall, F. (2016) From mantle to critical zone: A review of large and giant sized deposits of the rare earth elements. Geoscience Frontiers, 7 (3) 315-334 doi:10.1016/j.gsf.2015.12.006 | Journal (article/letter/editorial) | of unclassified resource estimates from the Olympic Dam IOCG deposit, all of these deposits M AN U ...of the highest grade deposits at Mount Weld (Australia) and Tomtor (Russia). For the individual REE with...Bayan Obo, China; Mountain Pass, USA; Mount Weld, Australia; Lovozero, Russia), by-products (e.g. mineral...whole REE group, however, with the exception of Olympic Dam, are developed in association with alkaline igneous...liquid-liquid immiscibility (e.g. Lee and Wyllie, 1998). Olympic Dam stands alone as the only iron oxide-copper-gold | | | Journal (article/letter/editorial) | University, Wellington Road, Clayton, VIC 3800, Australia of Earth, Atmosphere and Environment, Monash...3800, Australia 3 CSIRO Mineral Resources, Private Bag 10, Clayton South, VIC 3169, Australia Abstract...resources are hosted by carbonatite deposits, and bastnĂ€site, monazite, and xenotime are the three most significant...global REO resources within our database, with Australia, Russia, Canada, and Brazil having 64.5, 62.3...Production (kt TREO+Y) 120 100 Other India Australia Notes: 1) âOtherâ includes Brazil, Malaysia, USSR/Russia | | | Journal (article/letter/editorial) | THE REE MINERALS OF THE BASTNĂS-TYPE DEPOSITS, SOUTH-CENTRAL SWEDEN Dan HOLTSTAM§ Department of Mineralogy...skarn deposits in the Bergslagen mining region of south-central Sweden can be divided into two subtypes:...Mössbauer spectroscopy. Cerite-(Ce) is, together with ferriallanite-(Ce), the most important REE mineral...occurrences worldwide, the present samples of cerite-(Ce) are poor in Ca and enriched in Mg and F. Calcium...apfu, and is mainly in the trivalent state. Cerite-(Ce) is a major carrier of Y (up to 3.5 wt.% Y2O3). Fluorbritholite | | | Journal (article/letter/editorial) | Vol. 38, pp. 67-79 (2000) CERITE-(Ce) AND THORIAN SYNCHYSITE-(Ce) FROM THE NIEDERBOBRITZSCH GRANITE...minerals, including cerite-(Ce), thorian synchysite-(Ce), synchysite-(Ce), and an unidentified Th-rich...Th-rich REE fluorocarbonate(?). Cerite-(Ce) is a REE silicate that, to date, has been found in only half a...described from a granite. The composition of cerite-(Ce) from Niederbobritzsch is characterized by lower...other occurrences. Dissolution of thorian monazite(Ce) during interaction with a F-, CO2- and Ca-bearing | | | Journal (article/letter/editorial) | 3749/canmin.1400012 AN UNUSUAL OCCURRENCE OF SYNCHYSITE-(Ce) IN AMYGDULES FROM THE ESTEREL VOLCANIC ROCKS, FRANCE:...appear to be particularly enriched in synchysite-(Ce), developed as fibrous aggregates together with chlorite...crystallize from the hydrothermal solution was synchysite-(Ce), whose REE pattern has strong similarities to the...basalt. Keywords: rare-earth elements, synchysite-(Ce), basalt, alteration, amygdule, Esterel, France....first time, to describe and characterize synchysite-(Ce) in this uncommon environment. GEOLOGICAL CONTEXT | | | Journal (article/letter/editorial) | Insights from Moonta-Wallaroo, Yorke Peninsula, South Australia Alkis Kontonikas-Charos, Cristiana L. Ciobanu...Environmental Sciences, University of Adelaide, 5005 SA, Australia a r t i c l e i n f o Article history: Received...elements IOCG deposits Feldspar Moonta-Wallaroo Olympic Province a b s t r a c t Trace element concentrations...the Moonta-Wallaroo district, Olympic CuâAu Province, South Australia. Results show that changes in REYfractionation...in formation of coarser REYminerals (xenotime, bastnĂ€site, synchysite) during CDRR-driven replacement of | | | Journal (article/letter/editorial) | known in northern Sweden [22â24]. Theand active mine (cf.over [24]). A Mt) hydrothermal (including and...Kiruna magmatic (Kiirunavaara) deposit and active mine (cf. A hydrothermal (including replacement) and...LREEs, Ce and Y equivalent to almost 11% apatite. REE enrichment is represented mainly by LREEs, Ce and...strong enrichment in at Kiruna and area close to this mine and the second one without a well pronounced Eu...Eu anomaly LREEs at Kiruna and area close to this mine and the second one without a well pronounced Eu | | | Journal (article/letter/editorial) | classification of chromitite layers in the Bushveld Complex, South AfricaâKai Bachmann, Peter Menzel, Raimon Tolosana-Delgado...controls on upper Paleozoic bauxite deposits in south ChinaâWenchao Yu, Thomas J. Algeo, Jiaxin Yan, Jianghai...phosphate minerals from the Olympic Dam Cu-U-Au-Ag deposit, South Australia: Recognizing temporal-spatial...epithermal Ag-Zn-Pb-Snârich Cortaderas zone, Pirquitas mine, ArgentinaâEvan T. Slater, Andrew M. McDonald, and...of the Lake Woods region, Northern Territory, Australiaâ P. de Caritat, E.N. Bastrakov, S. Jaireth, P | | Holtstam, Dan, Andersson, Ulf B., Broman, Curt, Mansfeld, Joakim (2014) Origin of REE mineralization in the BastnĂ€s-type Fe-REE-(Cu-Mo-Bi-Au) deposits, Bergslagen, Sweden. Mineralium Deposita, 49 (8) 933-966 doi:10.1007/s00126-014-0553-0 | Journal (article/letter/editorial) | represented by deposits in the Norberg district. BastnĂ€site hosts primary fluid H2O-CO2 inclusions with salinities...BastnĂ€s Fe-Cu mines in the Skinnskatteberg district (Ce, La, Nd). In spite of the early recognition of REE...minerals in the subtype 1 deposits are rich in La, Ce, and Fe, relative to the subtype 2 Fig. 1 Geological...Allanite-(Ce) BastnĂ€site-(Ce) BastnĂ€site-(La) Cerianite Cerite-(Ce) Dissakisite-(Ce) Dollaseite-(Ce) Ferriallanite-(Ce)...Ferriallanite-(Ce) Fluocerite-(Ce) Fluocerite-(La) Fluorbritholite-(Ce) Fluorbritholite-(Y) Gadolinite-(Ce) âGadolinite-(Nd)â | | Migdisov, A., Williams-Jones, A.E., Brugger, J., Caporuscio, F.A. (2016) Hydrothermal transport, deposition, and fractionation of the REE: Experimental data and thermodynamic calculations. Chemical Geology, 439. 13-42 doi:10.1016/j.chemgeo.2016.06.005 | Journal (article/letter/editorial) | Monash University, 9 Rainforest Walk, VIC 3800, Australia a r t i c l e i n f o Article history: Received...carbonate and phosphate complexes. 2.3. Stability of Ce(IV) and Eu(II) species in hydrothermal solutions... . . . . . . . . 3.2.4. REE ïŹuorocarbonates (bastnĂ€site-parisite) . . . . . . . . . . . . . . 4. Hydrothermal...that ïŹuorocarbonates [e.g., bastnĂ€site(Ce), parisite-(Ce) and synchysite-(Ce)] are commonly the dominant...and the same is true for the phosphates, monazite-(Ce) and xenotime-(Y) (Smith and Henderson, 2000; Fan | | | Journal (article/letter/editorial) | barite. Fluid inclusions from monazite-(Ce), bastnĂ€site-(Ce), apatite, aegirine, fluorite, and barite...pressures of >0.7 kbar. Fluids in apatite and bastnĂ€site from the main-stage banded ores were initially...alteration and of 340Âș to 240ÂșC for apatite, bastnĂ€site, and fluorite vein fill. Fluids responsible for...equiv, whereas those responsible for apatite and bastnĂ€site mineralization had salinities of 1 to 6 wt percent...hematite for Fe, monazite(Ce) and bastnĂ€site-(Ce) for the REE, and aeschynite-(Ce) ((Ca,REE,Fe,Th)(Ti, Nb)2(O | | | Journal (article/letter/editorial) | hematite with accessory apatite, calcite, monazite-(Ce) and quartz. We present textural evidence ...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...(China), AraxĂĄ and CatalĂŁo (Brazil), Phalaborwa (South Africa) are the main sources for light rare earth | | | Journal (article/letter/editorial) | metal deposits of the El Garra El Hamra syenites, South Western Desert, Egypt T â Soliman Abu Elatta...opaques, apatite, zircon, xenotime-(Y) and bastnĂ€site(Ce). Calcite and hematite are alteration products...gittinsite, bastnĂ€site-(Ce), parisite-(Ce), monaziteâ(Ce), REE-rich ïŹuorapatite, chevkinite-(Ce), xenotime-(Y)...minerals. 1. Introduction The rare metal province of South Western Egypt is associated with altered peralkaline...are Uweinat-Baharia-Port Said trend, Tarfwai-Qena South Sinai trend and Chephren-Kom Ombo trend (Issawi | | Rowland, Richard L., Lavina, Barbara, Vander Kaaden, Kathleen E., Danielson, Lisa R., Burnley, Pamela C. (2020) Thermal Analysis, Compressibility, and Decomposition of Synthetic BastnĂ€site-(La) to Lanthanum Oxyfluoride. Minerals, 10 (3) 212 doi:10.3390/min10030212 | Journal (article/letter/editorial) | Compressibility, and Decomposition of Synthetic BastnĂ€site-(La) to Lanthanum Oxyfluoride Richard L. Rowland...how economically viable deposits might form. BastnĂ€site is the most commonly mined REE bearing mineral...synthesized the lanthanum-fluoride end member, bastnĂ€site-(La) (LaCO3 F), and investigated its thermal... We also investigated the compressibility of bastnĂ€site-(La) via single crystal X-ray diffraction in...to 7.7 GPa up to 673 K. At ambient pressure, bastnĂ€site-(La) was stable up to 598 K in air, where it | | TomaĆĄiÄ, Nenad, ÄobiÄ, Andrea, BedekoviÄ, Matija, Miko, Slobodan, IlijaniÄ, Nikolina, Gizdavec, Nikola, MatoĆĄeviÄ, Mario (2021) Rare Earth Elements Enrichment in the Upper Eocene ToĆĄiÄi-DujiÄi Bauxite Deposit, Croatia, and Relation to REE Mineralogy, Parent Material and Weathering Pattern. Minerals, 11 (11) 1260 doi:10.3390/min11111260 | Journal (article/letter/editorial) | böhmite, and nordstrandite are minor phases. Monazite-(Ce) and xenotime-(Y) were identified as detrital REE...REE minerals as well as authigenic florencite-(Ce). In the REE most abundant sample, REE are most likely...florencite-(Ce), hydroxylbastnĂ€site-(Nd), bastnĂ€site-(Ce), goyazite-(Nd), and parisite-(Ce) are reported...authigenic REE minerals in these bauxites [5]. Monazite-(Ce) and xenotime-(Y) are usually considered common detrital...leaching out of detrital REE minerals like monazite-(Ce). This can further increase REE content in certain | | Lorenz, Melanie, Altenberger, Uwe, Trumbull, Robert B., Lira, RaĂșl, LĂłpez de Luchi, MĂłnica, GĂŒnter, Christina, Eidner, Sascha (2019) Chemical and textural relations of britholite- and apatite-group minerals from hydrothermal REE mineralization at the Rodeo de los Molles deposit, Central Argentina. American Mineralogist, 104 (12) 1840-1850 doi:10.2138/am-2019-6969 | Journal (article/letter/editorial) | Molles, Central Argentina, where fluorbritholite-(Ce) (FBri) is the main carrier of REE and is closely...consists of fluorbritholite-(Ce), britholite-(Ce), fluorapatite, allanite-(Ce), and REE fluorcarbonates...composites are more common, but here fluorbritholite-(Ce) is mostly replaced by REE carbonates. The vein mineralization...compositional variations in fluorapatite and fluorbritholite-(Ce) consistent with the coupled substitution of REE3+...intergrowths of fluorapatite in fluorbritholite-(Ce) minerals and vice versa are chemically characterized | | | Report (issue) | ANGOLA ANTIGUA AND BARBUDA ARGENTINA ARMENIA AUSTRALIA AUSTRIA AZERBAIJAN BAHAMAS BAHRAIN BANGLADESH...SEYCHELLES SIERRA LEONE SINGAPORE SLOVAKIA SLOVENIA SOUTH AFRICA SPAIN SRI LANKA SUDAN SWEDEN SWITZERLAND...and environment, as well as waste management and mine closure. Other topics covered include storage of........................................ 35 5.3.4. Mine closure .................................................................................. 35 AUSTRALIA.............................................. | | | Journal (article/letter/editorial) | the largest uranium deposit in Jiangxi Province, South China. In this ore field, PbâZn mineralization has...geological sketch map showing location of study area in South China and (b) Simplified geology of Gang-Hang volcanic...conditions as Mn 2+ easily substitute for of monazite-(Ce) inclusions in fluorapatite (Harlov, 2015; Harlov...more oxi- suggested that the formation of monazite-(Ce) inclusions in dized magma has lower Mn and Fe than...inclusions into new phases including bastnĂ€site-(Ce), monazite-(Ce), and minor (Harlov, 2015). Thus fluids | | | Report (issue) | This trip will visit the Molycorp Mountain Pass Mine and surrounding region of California followed by...to visit the mine and processing facilities and to thank Geoff Nason for leading the mine tour. We also...geology in the area surrounding the Mountain Pass Mine, and for coordinating important aspects of the field...Trip Leaders: Geoff Nason, Molycorp Mountain Pass Mine Gordon Haxel, US Geological Survey, Flagstaff,.............. 11 Section 4 Molycorp Mountain Pass Mine ................................. 41 Section 5 Searchlight | | | Book | important but complex issue of the social license to mine. The ïŹnal chapter provides a lively discussion of...the Global Mineral Market The Social Licence to Mine. . . . . . . . . . . . . . . . . . 6.8.1 Pebble...turn of the last century it was only possible to mine deposits with high grades that were close to the...utilisation of modern techniques, it is possible now to mine ore with as little as 0.5 % Cu. And with the economy...new large high-production mines, particularly in South America, Asia and Oceania, made this possible. But | | Andersson, Stefan S., Wagner, Thomas, Jonsson, Erik, Fusswinkel, Tobias, Whitehouse, Martin J. (2019) Apatite as a tracer of the source, chemistry and evolution of ore-forming fluids: The case of the Olserum-Djupedal REE-phosphate mineralisation, SE Sweden. Geochimica et Cosmochimica Acta, 255. 163-187 doi:10.1016/j.gca.2019.04.014 | Journal (article/letter/editorial) | mineralisation in SE Sweden, which is dominated by monazite-(Ce), xenotime(Y), and fluorapatite. The primary hydrothermal...granitoid-dominated Transscandinavian Igneous Belt (TIB), south of the Svecofennian domain in the Fennoscandian...al., 2018b). Co-existing xenotime-(Y), monazite-(Ce), and fluorapatite are the principal 4 REE-bearing...for the primary REE mineralisation with monazite-(Ce), xenotime-(Y), REE-bearing fluorapatite and (REE...hosts abundant secondary xenotime-(Y) and monazite-(Ce) inclusions (Andersson et al., 2018a). These inclusions | | | 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...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...Chalcocite from Mammoth Mine, Mount Isa-Cloncurry Territory (Queensland, Australia) (photo © Rob Lavinsky/iRocks | | de Freitas Toledo, Poliana Iara, Penteado Natividade Moreto, Carolina, Xavier, Roberto Perez, Gao, Jianfeng, da Silva Nogueira de Matos, JosĂ© Henrique, de Melo, Gustavo Henrique Coelho (2019) Multistage Evolution of the Neoarchean (ca. 2.7 Ga) IgarapĂ© Cinzento (GT-46) Iron Oxide Copper-Gold Deposit, Cinzento Shear Zone, CarajĂĄs Province, Brazil. Economic Geology, 114 (1) 1-34 doi:10.5382/econgeo.2019.4617 | Journal (article/letter/editorial) | Transpressional shear zone Conventions City Deposit Mine Xingu Complex: Tonalitic to throndhjemitic gneiss...located in the north (Cinzento shear zone) and south (CanaĂŁ dos CarajĂĄs shear zone). The GT-46 deposit...carbonate-fluoride inclusions (<10 ”m) of bastnĂ€site [(Ce, La)CO3F] are associated with allanite grains...considerably high contents of rare earth elements (such as Ce, La, Nd, and Y), only identified in SEM. Late pervasive...world Candelaria16 Eloise17 Ernest Henry18 Olympic Dam deposit 19 Prominent Hill20 -10 -8 -6 -4 |
|