 | | Journal (article/letter/editorial) | | the principal primary REE mineral. Within each complex the C â O and Sr â Nd isotopic data are similar...mineralization and its host carbonatites in each complex are derived from the same source and are co-genetic..., Mountain Pass (USA) (Olsen et al., 1954), Fen (Norway) (Andersen, 1986), Tundulu and Kangankunde (Malawi)...âfluocarbonates synchysite â(Ce) and parisiteâ (Ce), Ca-free fluocarbonate bastnaĚsiteâ (Ce), alkali carbonates...and hydrous carbonate ancylite â(Ce). The phosphate, monazite â (Ce), is a major non-carbonate REE mineral |  | Andersson, Stefan S., Wagner, Thomas, Jonsson, Erik, Michallik, Radoslaw M. (2018) Mineralogy, paragenesis, and mineral chemistry of REEs in the Olserum-Djupedal REE-phosphate mineralization, SE Sweden. American Mineralogist, 103 (1) 125-142 doi:10.2138/am-2018-6202 | Journal (article/letter/editorial) | | REE stage is characterized by abundant monazite-(Ce) and xenotime-(Y) coexisting with fluorapatite and...During a subsequent stage, allanite-(Ce) and ferriallanite-(Ce) formed locally, partly resulting from...primary monazite-(Ce). Alteration of allanite-(Ce) or ferriallanite-(Ce) to bastnäsite-(Ce) and minor synchysite-(Ce)...key factors controlling the stability of monazite-(Ce) in the assemblages of the Olserum-Djupedal deposit...the alteration and replacement of primary monazite-(Ce), xenotime-(Y), fluorapatite, and minor (Y,REE,U |  | | 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 |  | Broom-Fendley, Sam, Brady, Aoife E., Horstwood, Matthew S.A., Woolley, Alan R., Mtegha, James, Wall, Frances, Dawes, Will, Gunn, Gus (2017) Geology, geochemistry and geochronology of the Songwe Hill carbonatite, Malawi. Journal of African Earth Sciences, 134. 10-23 doi:10.1016/j.jafrearsci.2017.05.020 | Journal (article/letter/editorial) | | enriched in HREE (<2000 ppm Y) and, in C3, synchysite-(Ce). The ďŹnal stages comprise HREE-rich apatite...apatite mineralisation as well as LREE-enriched synchysite-(Ce). The close proximity and similar age of the... It ranges from calcite-rich rocks through to complex, multi-phase samples but most commonly comprises...(Fig. 5C). Localised assemblages of euhedral synchysite-(Ce), baryte, and anhedral strontianite are disseminated...syntaxial intergrowths of euhedral synchysite-(Ce) and parisite-(Ce), euhedral baryte and anhedral strontianite |  | | Journal (article/letter/editorial) | | (e.g. Ca-rare-earth fluocarbonates and ancylite-(Ce)) plus burbankite and carbocemaite and some very...hexagonal prismatic pseudomorphs of ancylite-(Ce) or synchysite-(Ce), strontianite and baryte after burbankite...Occasionally, they form the major part of the complex and may be of economic importance, e.g. at Mountain...small in comparison with earlier carbonatites, e.g. Fen (Andersen, 1986), and Qaqarssuk (Knudsen, 1991)....phosphate, monazite-(Ce); the fluocarbonates, bastn~site-(Ce), synchysite-(Ce), and parisite(Ce); and the hydrated |  | | Journal (article/letter/editorial) | | applied to a complex of related carbonate and silicate rocks in a magmatic or extrusive complex. Primary...(1895) at AlnĂś, Sweden, and of Brøgger (1921) at Fen, in Norway, that a magmatic origin was postulated for...calcite carbonatite such as are found at the Fen complex. In fact, the genetic questions highlighted...centimeter-to-decimeter scale. For example, at the Fen complex (Brøgger 1921, Andersen 1988), there is a spectrum...limit permits the recognition in the Jacupiranga complex of Brazil, of a carbonatite suite made up of perovskite |  | | Journal (article/letter/editorial) | | hydrothermal alteration of carbonatite in the Fen Complex, Norway: mineralogy, geochemistry, and implications...Plymouth PL4 8AA, UK he d Abstract The Fen Complex in Norway consists of a c. 583 Ma composite carbo...hematite with accessory apatite, calcite, monazite-(Ce) and quartz. We present textural evidence ...breaking down in igneous carbonatite, and monazite-(Ce) precipitating in rødbergite. The importance of micro-veins...also presented. These acted as a trap for monazite-(Ce) precipitation, a mechanism predicted by physical-chemical |  | Doroshkevich, A. G., Viladkar, S. G., Ripp, G. S., Burtseva, M. V. (2009) HYDROTHERMAL REE MINERALIZATION IN THE AMBA DONGAR CARBONATITE COMPLEX, GUJARAT, INDIA. The Canadian Mineralogist, 47 (5) 1105-1116 doi:10.3749/canmin.47.5.1105 | Journal (article/letter/editorial) | | MINERALIZATION IN THE AMBA DONGAR CARBONATITE COMPLEX, GUJARAT, INDIA Anna G. DOROSHKEVICH Geological...quartz, florencite-(Ce), strontianite, barite and sparse bastnäsite â parisite â synchysite typical of weakly...recrystallization, carbonatites, REE fluorcarbonates, florencite-(Ce), Amba Dongar, India. Sommaire Nous avons ĂŠtudiĂŠ...quartz, florencite-(Ce), strontianite, barite et bastnäsite â parisite â synchysite (fluorcarbonates accessoires)...devenue enrichie en Fâ, (SO4)2â, terres rares et Si, ce qui a produit un assemblage de barite, fluorite, |  | Ruberti, E., Enrich, G. E.R., Gomes, C. B., Comin-Chiaramonti, P. (2008) HYDROTHERMAL REE FLUOROCARBONATE MINERALIZATION AT BARRA DO ITAPIRAPUA, A MULTIPLE STOCKWORK CARBONATITE, SOUTHERN BRAZIL. The Canadian Mineralogist, 46 (4) 901-914 doi:10.3749/canmin.46.4.901 | Journal (article/letter/editorial) | | magmatism of the Ponta Grossa Arch Province. The BIT complex is a dyke and vein stockwork in which four main...Th-rich, were deposited. Syntaxy between synchysite-(Ce) and parisite-(Ce) is very common owing to the similarity...However, bastnäsite-(Ce) occurs as individual crystals, overgrown by the synchysite and parisite polycrystals...elements during fluidârock interaction. The BIT complex is considered to be of potential economic interest...Keywords: REE fluorocarbonate, synchysite-(Ce), parisite-(Ce), bastnäsite-(Ce), hydrothermal conditions, |  | | Journal (article/letter/editorial) | | Santos and Clayton, 1995; Costanzo et al., 2006); Fen, Norway (Barth and Ramberg, 1966; Andersen, 1987), and...limited δ18OPO4 range, samples from Oka, Jacupiranga, Fen, and Kaiserstuhl were selected as previously published...unaffected. 277 -4 -5 -6 Oka St HonorĂŠ Jacupiranga Fen Kaiserstuhl Primary Igneous Carbonatite -7 -8 -9...Santos and Clayton, 1995; Haynes et al., 2003), Fen (Andersen, 1987), and Kaiserstuhl (Hubberten et al...to be a co-product of the LREE ore mineral, synchysite-(Ce). Multiple apatite types can be distinguished |  | Parnell, John, Akinsanpe, Temitope O., Still, John W., Schito, Andrea, Bowden, Stephen A., Muirhead, David K., Armstrong, Joseph G. T. (2023) Low-Temperature Fluorocarbonate Mineralization in Lower Devonian Rhynie Chert, UK. Minerals, 13 (5) 595 doi:10.3390/min13050595 | Journal (article/letter/editorial) | | most of the fluorocarbonates is referable to synchysite. Mineralization occurs at the surface, and the...sedimentary environment. Keywords: rare earth elements; synchysite; Rhynie chert; Scotland; hot spring Citation:...with mean compositions for phases interpreted as synchysite and parisite in published case studies (Table...O3 Y2 O3 CO2 F Total âOâĄF TOTAL Elemental % Ca La Ce Pr Nd Sm Gd Y REE total C F F/Ca REE/Ca Site 11-1...0.01 0.00 1.00 2.15 0.56 0.61 1.09 Identity synchysite 0.79 0.32 0.58 0.05 0.21 0.02 0.00 0.00 1.18 |  | Kozlov, Evgeniy, Fomina, Ekaterina, Sidorov, Mikhail, Shilovskikh, Vladimir, Bocharov, Vladimir, Chernyavsky, Alexey, Huber, MiĹosz (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) | | Devonian carbonatiteâijoliteâpyroxeniteâolivinite complex comprises several carbonatite fields: Neske Vara...lesser extent, strontianite, bastnäsite, and synchysite. Varieties of carbonatite that contain the highest...Importantly, Mongolia [52,53], Namibia New Zealand Norway [58], Russia [59â64], South the weight percentage...region, Russia) is one of more than massif is complex due to its multiphase nature. The Vuoriyarvi massif...the sequence of formation) olivinites, massif is complex due to its multiphase Theproduced Vuoriyarvi(in |  | 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), bastnäsite(Ce), parisite-(Ce,) and synchysite-(Ce), there are few published...include mapping the Iron Hill carbonatite-alkaline complex in the United States with the hyperspectral Airborne...(Rowan et al., 1995) and the Sarfartoq carbonatite complex in Greenland with the HyMapÂŽ system (Bedini, 2009)...in a monazite-mineralized outcrop of the Fen complex in Norway using a ground-based HySpex hyperspectral...Goethite Phlogopite 3 20 37 Bastnäsite-(Ce) Monazite-(Ce) Magnetite 9 5 500 1000 1500 2000 Wavelength |  | Goodenough, K.M., Schilling, J., Jonsson, E., Kalvig, P., Charles, N., Tuduri, J., Deady, E.A., Sadeghi, M., Schiellerup, H., MĂźller, A., Bertrand, G., Arvanitidis, N., Eliopoulos, D.G., Shaw, R.A., Thrane, K., Keulen, N. (2016) Europe's rare earth element resource potential: An overview of REE metallogenetic provinces and their geodynamic setting. Ore Geology Reviews, 72. 838-856 doi:10.1016/j.oregeorev.2015.09.019 | Journal (article/letter/editorial) | | UK Geological Survey of Norway, Leiv Eirikssons vei 39, 7040 Trondheim, Norway Geological Survey of Sweden... University of Oslo, P.O. Box 1172, 0318 Oslo, Norway i Natural History Museum, Cromwell Road, London...yttrium (Y), terbium (Tb), lanthanum (La), and cerium (Ce) for phosphor-based ďŹuorescent lighting, smartphone...European REE ores. Such raw material processing is complex, comprising a beneďŹciation step to concentrate...853 EU countries and candidate countries, plus Norway, Switzerland, and Greenland. Russia and Ukraine |  | Trofanenko, J., Williams-Jones, A. E., Simandl, G. J., Migdisov, A. A. (2016) The Nature and Origin of the REE Mineralization in the Wicheeda Carbonatite, British Columbia, Canada. Economic Geology, 111 (1) 199-223 doi:10.2113/econgeo.111.1.199 | Journal (article/letter/editorial) | | comprise REE fluorocarbonates, ancylite-(Ce), and monazite-(Ce). In addition to dolomite 3, they occur...558300 558400 558500 Carboniferous Wicheeda Complex Grey sodic fenite with blue amphibole, rare biotite...BaO SrO S C LOI Fââââ(ppm) Nb Rb Ta U Zr Ga Th Y La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Total Calcite...Ancylite-(Ce) Ankerite Bästnasite-(Ce) Burbankite-(Ce) Calcite Cordylite-(Ce) Dolomite Parisite-(Ce) Strontianite...Strontianite Synchysite-(Ce) Anc Ank Bsn Bur Cal Cor Dol Par Str Syn (Ce)(Sr, Ca)(CO3)2(OH) â H2O Ca(Fe |  | Doroshkevich, Anna G., Veksler, Ilya V., Klemd, Reiner, Khromova, Elena A., Izbrodin, Ivan A. (2017) Trace-element composition of minerals and rocks in the Belaya Zima carbonatite complex (Russia): Implications for the mechanisms of magma evolution and carbonatite formation. Lithos, 284. 91-108 doi:10.1016/j.lithos.2017.04.003 | Journal (article/letter/editorial) | | minerals and rocks in the Belaya Zima carbonatite complex (Russia): Implications for the mechanisms of magma...minerals and rocks in the Belaya Zima carbonatite complex (Russia): Implications for the mechanisms of magma...minerals and rocks in the Belaya Zima carbonatite complex (Russia): T implications for the mechanisms of...igneous petrologists. The Belaya Zima plutonic complex in southern Siberia is a typical intrusion, in...reconstructing the magmatic evolution of the complex and clarifying the CE P origin of carbonatites. We conclude |  | | Journal (article/letter/editorial) | | AMPHIBOLE â CLINOPYROXENE ROCK FROM THE AFRIKANDA COMPLEX, KOLA PENINSULA, RUSSIA: MINERALOGY AND A POSSIBLE...in cumulate ultramafic series of the Afrikanda complex, Kola Peninsula, Russia. The rock is composed of...the replacement of early perovskite by loparite-(Ce) and ceroan lueshite. Separation of the fluid and...described in this study [e.g., gittinsite, cerite-(Ce) and calcium catapleiite] are either extremely rare...amphibole, schorlomite, phlogopite, titanite, cerite-(Ce), chlorite, zircon, zirconosilicates, CaâAl silicates |  | | Journal (article/letter/editorial) | | metasomatic aureole around the Chilwa Island carbonatite complex were chosen for study. In addition to the main...associated with magma at deeper levels in the complex, of higher temperature, and possibly with a lower...emplacement of the Borralan alkaline/carbonatite complex in Scotland. BĂźhn and Rankin (1999) investigated...partitioning in natural magma systems is highly complex and only understood reasonably well for a few geochemically...CARBONATITE (Ce),(La), monazite-(Ce) and bastnäsite-(Ce). Fenite at the Songwe carbonatite complex in Malawi |  | | Journal (article/letter/editorial) | | 1997). The paragenesis of the deposit is extremely complex with, according to Chao et al. (1992; 1993), at...although overall the deposit is more mineralogically complex than indicated (Peishan, 1990; Peishan and Keije...elements. Count times of 30 sec. were used for Y, La and Ce, 50 sec. for Pr, Nd and Sm, and 20 sec. for Eu, Gd...to the correction for interferences between Ba and Ce, and to the selection of background count positions...this study have Ce as the dominant cation, and may be termed monazite-(Ce), bastnaĚsite-(Ce) etc., according |  | Finch, Adrian A., McCreath, Jamie A, Reekie, Callum D.J., Hutchison, William, Ismaila, Abdulmalik, Armour-Brown, Ashlyn, Andersen, Tom, Simonsen, Siri L. (2019) From Mantle to Motzfeldt: A genetic model for syenite-hosted Ta,Nb-mineralisation. Ore Geology Reviews, 107. 402-416 doi:10.1016/j.oregeorev.2019.02.032 | Journal (article/letter/editorial) | | University of Oslo, Sem SĂŚlands vei 1, Oslo, N0316, NORWAY. â Corresponding author, email: adrian.finch@st-andrews...chilled and repeated sheeting at the roof provided a complex suite of cross-cutting syenite variants, including...years that Nb and Ta are enriched in the Motzfeldt Complex, Gardar Province, South Greenland (e.g. Armour-Brown...represent fossilised magmatic systems. The Igaliko Complex, the largest association of igneous rocks within...comprises rocks in the middle, south and west of the complex. These include the Flinks Dal Centre (FDC) and |  | | Corporate Document | | 2012) 45 Table 7-3 Average REO distribution of Synchysite, analysed by EMP, in Songwe carbonatites (excluding...(Swinden, 2012) 44 Figure 7-10 SEM images of synchysite in the Songwe carbonatite (NHM and Brady, 2012)...model for an alkali silicate-carbonate intrusive complex (after Le Bas, 1987) 53 Figure 9-1 Geological...ring structure associated with a volcanic vent complex. 1.2 Property, Location and Ownership The Songwe...mapping and drill core indicates that the vent complex consists of a multi-phase intrusion characterized |  | | Book | | draining through Chhottanagpur Granite Gneiss Complex terrain in central and eastern India have been...tonnes of REO resource in Amba Dongar carbonatite complex, by taking average grade of 1.34% TREO. In the...REO. In northeast India, Samchampi carbonatite complex contains very low-grade Yttrium ore. The carbonatites...various dimensions associated with Siwana Ring Complex in western Rajasthan are potential for HREE. A...million tonne is speculated by AMD from Siwana ring complex. In southern India, peraluminous to peralkaline |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | and O, OH, F, and H20 Groups and Other Anions or Complex and Some Beryllosilicates 1020 1061 1106 1116...Mineralogisk-Geologisk Museum, University of Oslo, Oslo, Norway. Richard J. Reeder: Dept. of Earth Sciences, State...Commission on New Minerals and Mineral Names (CNMMN) ce; Proposals for a new mineral should include (1) the...followed in this edition. The many and often very complex silicate minerals are here classified for the first...discovered: for example, tritomite-(Ce) and tritomite-(Y) are end members [Ce+Y] in the tritomite series [AM |  | | Book | | the continental margin (Figures 1-2). This wide. complex belt is currently undergoing deformation. It consists...Duluth Complex; GC. Grand Canyon; GlZ. Great Lakes tectonic zone; LA. Laramie Anorthosite Complex; LU....Pikes Peak batholith; sc. Stillwater Complex; SGC. San Gabriel Complex; SF ⢠St. Francois Mountains; SQ....volcanic arc. and the Sierra Nevada batholithic complex of granodioritic plutons. To the east the Cordilleran...e y a r e t h e e a s t e r n m o s t of t h e complex a s s e m b l a g e of u p l i f t s and b a s |  | | Book (volume) | | an eruptive planet with a molten core and other complex inorganic processes as a living superorganism....to Earth, because the atmospheres are the least complex and most accessible of the zones of all these planets;...influence their own destiny in an interesting and complex, but comprehensible, way. Thus the sum total of...extinguished in the latest Proterozoic; if glaciation, a complex phenomenon attributed to Milankovitch cycles in...obviously become more complex as the spectrum of life on Earth has become more complex, starting with the |
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