 | | Journal (article/letter/editorial) | | CERITE-(Ce) AND THORIAN SYNCHYSITE-(Ce) FROM THE NIEDERBOBRITZSCH GRANITE, ERZGEBIRGE, GERMANY: IMPLICATIONS...GeoForschungsZentrum Potsdam, Telegrafenberg, D-14473 Potsdam, Germany ABSTRACT A detailed survey of accessory minerals...biotite granites from Niederbobritzsch, Erzgebirge, Germany, reveals the presence of various, late magmatic...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 |  | | Journal (article/letter/editorial) | | FROM THE ZINNWALD GRANITE, EASTERN ERZGEBIRGE, GERMANY Hans-Jürgen FÖRSTER§ Deutsches GeoForschungsZentrum...Section Reservoir Technologies, D–14473 Potsdam, Germany Martin ONDREJKA and Pavel UHER Department of Mineralogy...Slovakia Abstract The granite cupola at Zinnwald (Germany) or Cínovec (Czech Republic) consists of highly...REE–Y–Th–U–Zr minerals, including arsenoflorencite-(Ce), chernovite-(Y), hydrated chernovite-(Y) – xenotime-(Y)...minerals comprise As-poor bastnäsite-(Ce), synchysite-(Ce), synchysite-(Y), fluocerite-(Ce), and columbite-(Fe) |  | | Journal (article/letter/editorial) | | familiar species such as allanite, parisite and bastnäsite, as well as very rare ones such as hingganite...element-bearing species including allanite/dissakisite, bastnäsite, synchisite, parisite, hingganite and iimoriite...employs 300 people and is the largest talcchlorite mine in Europe, producing more than 400,000 tonnes annually...a transport capacity of 120 tonnes/day. 226 The mine cars, each with a 1 cubic meter capacity, are filled...extract and sort some 300 kg of ore per hour on each mine bench; this manually extracted ore represents 15% |  | Graupner, Torsten, Mühlbach, Caroline, Schwarz-Schampera, Ulrich, Henjes-Kunst, Friedhelm, Melcher, Frank, Terblanche, Hennie (2015) Mineralogy of high-field-strength elements (Y, Nb, REE) in the world-class Vergenoeg fluorite deposit, South Africa. Ore Geology Reviews, 64. 583-601 doi:10.1016/j.oregeorev.2014.02.012 | Journal (article/letter/editorial) | | Stilleweg 2, D-30655 Hannover, Germany Sallstr. 79, D-30171 Hannover, Germany Vergenoeg Mining Company (PTY)...xenotime in these rocks. The common occurrence of bastnäsite-(Ce) in the gossan, “metspar” plugs and especially...presence of fine-grained REE fluorocarbonates, monazite-(Ce), monazite-(La) and xenotime-(Y). © 2014 Elsevier...2. Geology, mineralogy and samples The Vergenoeg mine is located in the Kaapvaal Craton in southern Africa...occur. Borrok et al. (1998) state that allanite [(Ce,Ca,Y)2(Al,Fe2+,Fe3+)3(SiO4)3(OH)] is the most common |  | Uher, Pavel, Ondrejka, Martin, Bačík, Peter, Broska, Igor, Konečný, Patrik (2015) Britholite, monazite, REE carbonates, and calcite: Products of hydrothermal alteration of allanite and apatite in A-type granite from Stupné, Western Carpathians, Slovakia. Lithos, 236. 212-225 doi:10.1016/j.lithos.2015.09.005 | Journal (article/letter/editorial) | | primary magmatic allanite-(Ce) to ferriallanite-(Ce) and fluorapatite. The Y, Ce-rich fluorapatite was replaced...britholites. Moreover, the alteration of (ferri)allanite-(Ce) resulted to complex pseudomorphs and overgrowths...[synchysite-(Ce) to its hydroxyl-dominant analogue “hydroxylsynchysite-(Ce)”, bastnäsite-(Ce)] and calcite...calcite, rarely monazite-(Ce), epidote, clinochlore, titanite, TiO2 phase, and pseudorutile. In some cases...Primary magmatic rare-element carbonate phases (bastnäsite, synchysite group minerals) appear only in REE-rich |  | Wu, Ming-qian, Tian, Bao-feng, Zhang, De-hui, Xu, Guo-zhan, Xu, Wen-xi, Qiu, Kun-feng (2018) Zircon of the No. 782 deposit from the Great Xing’an Range in NE China: Implications for Nb-REE-Zr mineralization during magmatic-hydrothermal evolution. Ore Geology Reviews, 102. 284-299 doi:10.1016/j.oregeorev.2018.09.006 | Journal (article/letter/editorial) | | to a lesser extent, by bastnäsite-(Ce) and parisite-(Ce), where parisite-(Ce) occurs as a replacement...replacement of bastnäsite-(Ce). The Nb-REE mineralization occurs either as a replacement of the type II zircon...and HREE in the deposit) (Fig. 7B) and lesser bastnäsite-(Ce) (the most important ore mineral for LREE)...relative timing between fergusonite-(Y) and bastnäsite-(Ce) cannot be ascertained as the two mineral phases...samples. In cases, parisite-(Ce) occurs as a replacement of bastnäsite-(Ce) (Fig. 7E). 248 249 250 251 |  | | Book (chapter) | | 518 (1892). bagrationite (Kokscharov) = allanite-(Ce), Dana 6th, 522 (1892). bagus = blue corundum, Bukanov...baiyuneboite-(Ce) = cordylite-(Ce), AM 83, 178 (1998); 88, 1624 (2003). baiyunoboite-(Ce) = cordylite-(Ce), de...sillimanite, Dana 6th, 498 (1892). bamlita = allanite-(Ce), de Fourestier 34 (1999). Ba-montmorillonite = Ba-exchanged...(1968). Banstnaesit = bastnäsite, Kipfer 17 (1974). banstnaesite-(Y) = bastnäsite-(Y), AM 57, 594 (1972)... Bariumparasit = cordylite-(Ce), Clark 58 (1993). barium-parisite (Flink) = cordylite-(Ce), MM 12, 379 (1900) |  | Ondrejka, Martin, Uher, Pavel, Pršek, Jaroslav, Ozdín, Daniel (2007) Arsenian monazite-(Ce) and xenotime-(Y), REE arsenates and carbonates from the Tisovec-Rejkovo rhyolite, Western Carpathians, Slovakia: Composition and substitutions in the (REE,Y)XO4 system (X = P, As, Si, Nb, S) Lithos, 95 (1) 116-129 doi:10.1016/j.lithos.2006.07.019 | Journal (article/letter/editorial) | | www.elsevier.com/locate/lithos Arsenian monazite-(Ce) and xenotime-(Y), REE arsenates and carbonates from...Central Slovakia. Arsenian monazite-(Ce)–phosphatian gasparite-(Ce) and arsenian xenotime-(Y)–phosphatian...REE carbonates (bastnäsite, parisite, röntgenite?, synchysite) and rare cerianite-(Ce) form anhedral to...primary monazite-(Ce) and xenotime-(Y) by As-rich, high fO2 fluids, whereas cerianite-(Ce) and the REE carbonates...Franz et al., 1996; Heinrich et al., 1997). Monazite-(Ce) is the most common monoclinic phase; it is widespread |  | | Journal (article/letter/editorial) | | K-feldspar, pyrochlore, fluorapatite, fluorbritholite-(Ce) and magnetite. Alkalinecarbonate-chloride-rich fluids...in the history of the rock, in a late stage of, CE P or directly after, its consolidation, induced...REEbearing minerals such as monazite, parasite-(Ce), bastnäsite-(Ce), as well as sodalite, natrolite AC and...fluorbritholite-(Ce), fluorapatite, fluorite, calcite, parasite-(Ce), CE P bastnäsite-(Ce), magnetite,...monazite-(Ce), fluorapatite, fluorbritholite-(Ce) and REE-bearing carbonates [parasite-(Ce), bastnäsite-(Ce)] |  | | Journal (article/letter/editorial) | | Crystal System if M1 = Mg. Otherwise Allanite-(Ce) (Ca,Ce,La)2(Al,Fe2+,Fe3+)3Si3O12(OH) Monoclinic a proper...Monoclinic attached; the prefixes Allanite-(Y) (Y,Ce,Ca)2(Al,Fe3+)3Si3O12(OH) Monoclinic ferro and mangano...respecDissakisite-(Ce) Ca(Ce,La)MgAl2(SiO4)3(OH) Monoclinic Dissakisite-(La) Ca(La,Ce)MgAl2(SiO4)3(OH)...Ce)MgAl2(SiO4)3(OH) Monoclinic tively. The dominant Dollaseite-(Ce) CaCeMg2AlSi3O11(F,OH)2 Monoclinic cation on A2 (other...desigFerriallanite-(Ce) CaCeFe3+AlFe3+Si3O12(OH) Monoclinic nation. Table 2 shows Khristovite-(Ce) (Ca,REE)REE(Mg |  | | Journal (article/letter/editorial) | | magnetite and zircon, with rare xenotime-(Y), monazite-(Ce), and thorite. Complex solidsolutions with nearly...after only a short distance of transport, Th-rich bastnäsite deposited in contact with fluorite. Keywords:...magnétite et zircon, ainsi que xénotime-(Y), monazite-(Ce), et thorite, plus rares. Des solutions solides complexes...de fer, et a mené à la dissolution du xénotime. A ce stade, le zircon et la thorite, porteurs de Th et...monazite; suite à un transfert à courte échelle, la bastnäsite thorifère s’est formée au contact de la fluorite |  | Allaz, Julien, Raschke, Markus B., Persson, Philip M., Stern, Charles R. (2015) Age, petrochemistry, and origin of a REE-rich mineralization in the Longs Peak-St. Vrain batholith, near Jamestown, Colorado (U.S.A.) American Mineralogist, 100 (10) 2123-2140 doi:10.2138/am-2015-5253 | Journal (article/letter/editorial) | | by fluorbritholite-(Ce) in a gray-colored core up to 10 cm thick, with monazite-(Ce), fluorite, and minor...allanite-(Ce) rim, with minor monazite-(Ce) in the inner part of that rim. Bastnäsite-(Ce), törnebohmite-(Ce)...törnebohmite-(Ce), and cerite-(Ce) appear in a thin intermediate zone between core and rim, often just a few...twofold from 21.3 to 44.3%). The fluorbritholite-(Ce) contains minor U, Th, Fe, Mn, and Sr (total 0.10...Cerite-(Ce) is a minor constituent of the thin zone between the inner rim and the core. The cerite-(Ce) is |  | Shimazaki, Hidehiko, Yang, Zhuming, Miyawaki, Ritsuro, Shigeoka, Masako (2008) Scandium-Bearing Minerals in the Bayan Obo Nb-REE-Fe Deposit, Inner Mongolia, China. Resource Geology, 58 (1) 80-86 doi:10.1111/j.1751-3928.2007.00045.x | Journal (article/letter/editorial) | | Beijing, China Abstract Aegirine, “perrierite-(Ce)”, and ferrocolumbite, occurring in the Bayan Obo...value of 1.19%. The Sc2O3 content of “perrierite-(Ce)” (TS-20) was 2.82–3.64% with an average value of...Aegirine, Bayan Obo, ferrocolumbite, “perrierite-(Ce)”, scandium. 1. Introduction 1.1. Bayan Obo deposit...minerals include magnetite, hematite, bastnäsite-(Ce), monazite-(Ce), and pyrochlore. Received: 15 May...including magnetite, hematite, bastnäsite-(Ce), parisite(Ce), monazite-(Ce), riebeckite, aegirine, phlogopite |  | | Journal (article/letter/editorial) | | REEY occurrences in the Mocambo Granitic Massif tin-bearing A-type granite, central Brazil, and its potential...REEY occurrences in the Mocambo Granitic Massif tin-bearing A-type granite, central Brazil, and its potential...Branca Suite, which is itself part of the Goiás Tin Province, a group of stanniferous granites that exhibit...several REE-bearing minerals: allanite, fergusonite(Ce), fergusonite-(Y), zircon and apatite as accessory...accessory minerals, and xenotime-(Y), bastnäsite-(Ce), thorite, monazite-(Ce) and hingganite(Y) as secondary |  | Zhu, Zeying, Wang, Rucheng, Marignac, Christian, Cuney, Michel, Mercadier, Julien, Che, Xudong, Lespinasse, Marc-Yves (2018) A new style of rare metal granite with Nb-rich mica: The Early Cretaceous Huangshan rare-metal granite suite, northeast Jiangxi Province, southeast China. American Mineralogist, 103 (10) 1530-1544 doi:10.2138/am-2018-6511 | Journal (article/letter/editorial) | | S. Department of Energy (2011). About 90% of Nb mine production is from pyrochlore and the rest from...the tungsten mined worldwide (Sun et al. 2012). Tin, tungsten, and other rare metals (Nb, Ta, Be, and...accessory minerals, the standards were: monazite (La, Ce, Nd), REEF3 (Gd, Tb, Dy, Ho, Er, Tm, Yb), wollastonite...ablation system (193 nm, Microlas, Göttingen, Germany, Günther et al. 1997), coupled to an Agilent 7500c...including zircon, LREE minerals (e.g., parisite, bastnäsite, and fluocerite), Y-fluorite and rare columbite |  | Cook, Robert B. (2017) Microminerals of the Bushveld Complex, South Africa by Maria T. Atanasova, Bruce Cairncross, and Wolfgang R. Windisch. Council for Geoscience, 280 Pretoria St., Silverton, Private Mail Bag 112, Pretoria 0001, South Africa; www.geoscience.org.za. 437 pages; 2016; R1,000 (US $74) plus shipping and handling (hardbound). Rocks & Minerals, 92 (3) 293 doi:10.1080/00357529.2017.1283666 | Journal (article/letter/editorial) | | world’s platinum-group metals and chromite, and lesser tin and fluorite, it is not well known for its mineral...alphabetically beginning with the Argent silver mine and ending with the Vergenoeg flu- orite deposit...quartz locality, the Buffalo fluorite mine, the Edendale lead-zinc mine, the Houtenbek fluoritemolybdenite...and Tooyskraal fluorite occurrences, the Stavoren tin and related occurrences, and the Vaalkop Dam deposit... excellent crocoites occur at the Argent silver mine along with good cerussite, pyromorphite, and a suite |  | | Journal (article/letter/editorial) | | arfvedsonite, calcite, quartz, barite, fluorite, and bastnäsite-(Ce). Based on geological observations and the...by a carbonatite–syenite complex with minor bastnäsite-(Ce), whereas the pegmatitic stage consists of...CH4 + C2H6. During the REE stage, pervasive bastnäsite-(Ce) containing abundant L–V type and few L–C type...Keywords: Carbonatite; Maoniuping REE deposit; Bastnäsite-(Ce); Fluid inclusion; Fluid immiscibility 1. ...aegirine-augite, arfvedsonite, K-feldspar, and minor bastnäsite-(Ce). The Dagudao section (average grade of REO |  | Novak, M., Skoda, R., Gadas, P., Krmicek, L., Cerny, P. (2012) Contrasting Origins of the Mixed (NYF + LCT) Signature in Granitic Pegmatites, with Examples from the Moldanubian Zone, Czech Republic. The Canadian Mineralogist, 50 (4) 1077-1094 doi:10.3749/canmin.50.4.1077 | Journal (article/letter/editorial) | | uvite), primary REE minerals [bastnäsite-(Ce), parisite-(Ce), allanite-(Ce)] and Ca(Mg)-rich minerals (diopside...micas) and typical NYF-signature minerals [allanite-(Ce), Y, oxides of REE. Nb, Ta and Ti, primary Y,REE...Bližná were accessible in the abandoned graphite mine Václav in 1991–1997 (Bližná I pegmatite and host...The primary Y,REE minerals involve common allanite-(Ce) in all intragranitic pegmatites, common AB 2O 6...euxenite-group minerals), and very rare monazite-(Ce) in euxenite-type pegmatites (for details see Škoda |  | Sanematsu, Kenzo, Ejima, Terumi, Kon, Yoshiaki, Manaka, Takayuki, Zaw, Khin, Morita, Sayaka, Seo, Yuna (2016) Fractionation of rare-earth elements during magmatic differentiation and weathering of calc-alkaline granites in southern Myanmar. Mineralogical Magazine, 80 (1) 77-102 doi:10.1180/minmag.2016.080.053 | Journal (article/letter/editorial) | | assemblages into two contrasting groups: allanite-(Ce)- and/or titanite-bearing granites; and more HREE-enriched...including synchysite(Y), parisite-(Ce), bastnäsite-(Ce), xenotime-(Y), monazite-(Ce), Y-Ca silicate, waimirite-(Y)...waimirite-(Y) and fluorite. This suggests that allanite-(Ce) and titanite are not stable in differentiated magma...resistance of the REE-bearing minerals, i.e. allanite-(Ce), titanite, the REE fluorocarbonates and waimirite-(Y)...susceptible to weathering, whereas zircon, monazite-(Ce) and xenotime-(Y) are resistant to weathering. Ion-exchangeable |  | | Journal (article/letter/editorial) | | Figure 1. The entrance and arch of the Palermo mine, North Groton, Grafton County. Rob Lawrence photo...Gorge and Blackberry Crossing Campground): bastnäsite-(Ce)* (microcrystals), cassiterite (microcrystals)...albite* (cleavelandite), allanite-(Ce) (microcrystals), bastnäsite(Ce) (microcrystals), bavenite* (microcrystals)...milarite (microcrystals), molybdenite, monazite-(Ce), muscovite (crystals), opal (variety hyalite), phenakite...(crystals), bastnäsite-(Ce), biotite (crystals), ferrocolumbite (crystals), fluocerite-(Ce), fluorapatite |  | | Journal (article/letter/editorial) | | the minerals euxenite [(Y,Ca,Ce,U,Th) (Ti,Nb,Ta)2O6] and gadolinite [(Ce,La,Nd,Y)2FeBe2Si2O10]. Scandium...ppm Sc (Kalashnikov et al., 2016). Zirconolite [(Ca,Ce)Zr(Ti,Fe,Nb)2O7] in this deposit contains 208 ppm...lode-type, granite-hosted tin-tungsten deposits in the eastern Erzgebirge of Germany contains between 600...Alpen, Austria ScPO4 · 2H2O 25.55 Schmiedeberg, Germany NaScSi2O6 19.02 Baveno, Italy Ca3Sc2(SiO4)3 18...significant proportion is present in bastnäsite-(Ce), monazite-(Ce), and fluorite (Chao et al., 1992; Fan |  | | Journal (article/letter/editorial) | | ideally Nd2FeBe2Si2O10, was found in the Malmkärra mine, ∼3.5 km WSW of Norberg, south-central Sweden, where...with fluorbritholite-(Ce), västmanlandite-(Ce), dollaseite-(Ce), bastnäsite-(Ce) and tremolite. Gadolinite-(Nd)...607(113) 49, 2.412 (200) 24. Along with the Malmkärra mine, gadolinite(Nd) was also recorded also at Johannagruvan...gadolinite subgroup together with fluorbritholite-(Ce) incorporate the highest fraction of medium-to-heavy...associated rare-earth element minerals in the Malmkärra mine and possibly in all Bastnäs-type deposits. K E Y |  | | Journal (article/letter/editorial) | | showed that the rare-earth minerals (monazite, bastnäsite and parisite) formed later than the fenite feldspar...REE/light REE ratios (La/Sm ≈ 1.3 monazite, ≈ 1.9 bastnäsite, ≈ 1.2 parisite) than their counterparts in the...the carbonatites (La/Sm ≈ 2.5 monazite, ≈ 4.2 bastnäsite, ≈ 3.4 parisite). Quartz in the low- and medium-grade...constitute ore deposits. The world’s largest REE mine at Bayan Obo, China is also thought to be a highly...AROUND CHILWA ISLAND CARBONATITE (Ce),(La), monazite-(Ce) and bastnäsite-(Ce). Fenite at the Songwe carbonatite |  | Xing, Yanlu, Etschmann, Barbara, Liu, Weihua, Mei, Yuan, Shvarov, Yuri, Testemale, Denis, Tomkins, Andrew, Brugger, Joël (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) | | Lomonosov Moscow State University, Moscow, Russia CE PT 4. CNRS, Université Grenoble Alpes, Institut...Si solubility is enhanced in F-bearing solutions CE (hypothesis (iv)), mainly attributed to the increased...IOCG deposits. Similarly to OD, other IOCG, IOA CE (e.g., Grängesberg Mining District, Sweden; Jonsson...Fluorine-bearing minerals such as bastnäsite-(Ce) and florencite-(Ce) usually make up the major REE ore...is yet to be confirmed at elevated temperatures. CE There is no experimental data on the temperature |  | | Journal (article/letter/editorial) | | array of precious and semi-precious metals including tin (Sn), tungsten (W), lithium (Li), molybdenum (Mo)...as trace elements), the REEs contribute 2.16% with Ce, Nd, Y, and La the most abundant at 32%, 17%, and...and 13% (Y and La) respectively of the total REE Ce, Nd, Y, and La the most abundant at 32%, 17%, and 13%...reported. Minerals the monazite, eudialyte, bastnäsite, bastnäsite, and allanite groups are the most common...eudialyte, bastnäsite, and allanite groups found in 32the of (Table minerals of the eudialyte, bastnäsite, and |
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