| Hanson, S. L., Falster, A. U., Simmons, W. B., Brown, T. A. (2012) Allanite-(Nd) from the Kingman Feldspar Mine, Mojave Pegmatite District, Northwestern Arizona, USA. The Canadian Mineralogist, 50 (4) 815-824 doi:10.3749/canmin.50.4.815 | Journal (article/letter/editorial) | minerals. Most of the allanite is Nd-rich allanite-(Ce). However, several of the samples have domains that...late-stage fluids that replaced allanite with bastnäsite-(Ce). Late-stage carbonate fluids, enriched in...could have preferentially redistributed Ce into bastnäsite-(Ce), resulting in Nd-enriched recrystallized...Kingman pegmatite is not associated with a parental granite and as it exhibits unusual depletions in F, Nb...anatectic origin. Keywords: allanite-(Nd), allanite-(Ce), Kingman granitic pegmatite, Mojave pegmatite district | | | Journal (article/letter/editorial) | The Trimouns Quarry Luzenac, Ariège, France Freddy Marty Rue de l’Hôpital 11230-Chalabre France In recent...recent decades, the Trimouns quarry has become well known as a source of outstanding crystals of several...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...reference to the three peaks that overlook the quarry. Langue d’Oc is a regional language of Latin The | | 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) | hydrothermal alteration of allanite and apatite in A-type granite from Stupné, Western Carpathians, Slovakia Pavel...Allanite Apatite Britholite REE carbonates Monazite Granite hydrothermal alteration a b s t r a c t An uncommon...REE minerals was identified in a Permian A-type granite clast in polymict conglomerates intercalated in...study of the granite reveals extensive subsolidus alteration of primary magmatic allanite-(Ce) to ferriallanite-(Ce)...ferriallanite-(Ce) and fluorapatite. The Y, Ce-rich fluorapatite was replaced by the dissolution–reprecipitation | | | Journal (article/letter/editorial) | the LREE enrichment in monazite-(Ce), allanite-(Ce) and bastnäsite-(Ce), the REE enrichment in fluorite... indicate an anorogenic character for all the granite–syenite–pegmatite systems. All of the pegmatite...interpreted to be the uppermost expression of a larger granite or quartz monzonite body 1698 the canadian mineralogist...(Keller et al. 2004). Thus, the pegmatites and host granite are clearly younger than the Routt Plutonic Suite...Diana Complex (Duebendorfer et al. 2001). This granite complex was emplaced during an outboard collision | | Macdonald, Ray, Bagiński, Bogusław, Kartashov, Pavel M., Zozulya, Dmitry, Dzierżanowski, Piotr, Jokubauskas, Petras (2015) Hydrothermal alteration of a chevkinite-group mineral to a bastnäsite-(Ce)-ilmenite- columbite-(Fe) assemblage: interaction with a F-, CO2-rich fluid. Mineralogy and Petrology, 109 (6) 659-678 doi:10.1007/s00710-015-0394-2 | Journal (article/letter/editorial) | alteration of a chevkinite-group mineral to a bastnäsite-(Ce)-ilmenite- columbite-(Fe) assemblage: interaction...undescribed type of hydrothermal alteration of chevkinite-(Ce) which occurs in a syenitic pegmatite from the Vishnevye...progressive alteration of the chevkinite to a bastnäsite-(Ce)-ilmenite-columbite-(Fe) assemblage through...the exception of La, released from the chevkinite-(Ce) were reincorporated into later phases, such that...Jiang (2006) described the alteration of chevkinite-(Ce) to a corona of allanite-ilmenitetitanite-epidote-quartz | | Macdonald, Ray, Bagiński, Bogusław, Stachowicz, Marcin, Zozulya, Dmitry, Kotowski, Jakub, Jokubauskas, Petras (2022) Extreme Alteration of Chevkinite-(Ce) by Pb-CO2-Rich Fluids: Evidence from the White Tundra Pegmatite, Keivy Massif, Kola Peninsula. Minerals, 12 (8) 989 doi:10.3390/min12080989 | Journal (article/letter/editorial) | minerals Article Extreme Alteration of Chevkinite-(Ce) by Pb-CO2-Rich Fluids: Evidence from the White Tundra...Jokubauskas, P. Extreme Alteration of Chevkinite-(Ce) by Pb-CO2 -Rich Fluids: Evidence from the White...hydrothermal alteration scheme was presented for chevkinite-(Ce) from the White Tundra pegmatite (2656 ± 5 Ma), Keivy...initially removed REE and Y from the chevkinite-(Ce), with enrichment in Pb and U. PbO abundances reaching...Continued alteration resulted in the altered chevkinite-(Ce) being progressively transformed to a Pb-Ti-Fe-Si | | | Journal (article/letter/editorial) | BiSMuthiNitE aNd MoNaZitE-(CE) FRoM RattlESNaKE MouNtaiN, StoNEhaM, oXFoRd CouNty, MaiNE. C. A. Francis and...500, Bethel, ME 04217. The Rattlesnake Mountain quarry comprises two pits at an elevation of 1,170 feet...the Songo Granodiorite. It is part of the Sebago granite-pegmatite system (age 283 ma). The observed minerals...bismuthinite, fluorapatite, microcline, monazite-(Ce), muscovite, quartz, and zircon. This simple mineralogy...Mineralogical Symposium for bismuthinite and monazite-(Ce), is typical of the approximately forty feldspar | | | Journal (article/letter/editorial) | its suite of rare species, such as bastnäsite-(Ce), fluocerite-(Ce), genthelvite, and columbitegroup minerals... inset). An outcrop of Pikes Peak Granite (PPG), fayalite granite (FG), and a vein-type pegmatite (PEG)...miles southwest of Colorado Springs in El Paso County. Some of the pegmatites in these areas are genetically...genetically related to the Mount Rosa Granite; thus, the mineral assemblages are often similar (Keller et...by biotite granite, fayalite granite, and mafic dikes Pegmatites hosted by Pikes Peak Granite Pegmatites | | | Journal (article/letter/editorial) | arch of the Palermo mine, North Groton, Grafton County. Rob Lawrence photo, courtesy Bob Whitmore. 242... ROCKS & MINERALS lthough New Hampshire, the Granite State, is one of our smaller states, with an area...mineral localities for the collector. Prospecting, granite quarrying, and mining probably peaked before the...at 15:01 05 January 2015 LOCATIONS BY COUNTY Belknap County Alton area: arsenopyrite, galena, quartz...occurrence is particularly noteworthy for Carroll County Albany, Blackberry Crossing (includes the Moose | | | Journal (article/letter/editorial) | produce what are probably the finest specimens of bastnäsite, xenotime, and baotite known. The minerals occur...occur in alpine-type veins in alkali granite gneiss of the Warsak igneous complex. INTRODUCTION New York...early as February 1999, very fine crystals of bastnäsite and other unusual minerals had begun to appear... 2002) had already brought out small lots of bastnäsite crystals. At the end of 2001 the true locality...Although Zagi Mountain has produced most of the bastnäsite and other rare minerals, a number of matrix specimens | | | Journal (article/letter/editorial) | 67-79 (2000) CERITE-(Ce) AND THORIAN SYNCHYSITE-(Ce) FROM THE NIEDERBOBRITZSCH GRANITE, ERZGEBIRGE, GERMANY:...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...previously been described from a granite. The composition of cerite-(Ce) from Niederbobritzsch is characterized...other occurrences. Dissolution of thorian monazite(Ce) during interaction with a F-, CO2- and Ca-bearing | | 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) | ore-forming porphyry is hosted in a coarse-grained granite (granite) that dominates the study area. Zircon is...mineral in both the porphyry and the granite. In contrast to the granite that hosts only magmatic zircon,...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...porphyry (453.8 ± 3.1 Ma) is younger than the granite (487.0 ± 4.0 Ma), and that the two granitic phases | | | Journal (article/letter/editorial) | MICROSTRUCTURAL INVESTIGATION OF NEW POLYTYPES OF PARISITE-(Ce) BY HIGH-RESOLUTION TRANSMISSION ELECTRON MICROSCOPY...parisite-(Ce) [CaCe2(CO3)3F2] from a rare-earth-mineral deposit within an aegirine-bearing granite pluton...[CO3] groups between the unit layers of parisite-(Ce). The observed microstructures may be affected by...parisite-(Ce), polytype, high-resolution transmission electron microscopy, aegirine granite, Sichuan Province...avons découvert cinq nouveaux polytypes de parisite-(Ce) [CaCe2(CO3)3F2], 6R2, 8H, 14H, 36R et 42R, dans | | 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 | | Miyawaki, Ritsuro, Yokoyama, Kazumi, Matsubara, Satoshi, Tsutsumi, Yukiyasu, Goto, Atsushi (2008) Uedaite-(Ce), a new member of the epidote group with Mn at the A site, from Shodoshima, Kagawa Prefecture, Japan. European Journal of Mineralogy, 20 (2) 261-269 doi:10.1127/0935-1221/2008/0020-1783 | Journal (article/letter/editorial) | 261–269 Published online February 2008 Uedaite-(Ce), a new member of the epidote group with Mn at the...Abstract: Uedaite-(Ce), ideally Mn2+ CeAl2 Fe(Si2 O7 )(SiO4 )O(OH), occurs in granite at Shodoshima Island...in concentration of Mn in uedaite-(Ce) and associated allanite-(Ce) showed negative linear correlation...substitution of Mn for Ca. The crystal structure of uedaite-(Ce) was refined to wR1 = 0.0337 with singlecrystal X-ray...site. Uedaite-(Ce) is a Mn2+ -analogue of allanite-(Ce). The calculated density of uedaite(Ce) is 4.19 g/cm3 | | | Journal (article/letter/editorial) | in granite pegmatite bodies and greisens in central and southern Finland (Kovela monazite granite and...and the Rapakivi Granite batholith at Vyborg, respectively). REE minerals in all of the localities listed...namely phosphates (monazite-Ce, xenotime-Y), fluorcarbonates (bastnäsite-Ce, synchysite), and hydrated...hydrated carbonates (ancylite-Ce), hydrated aluminium silicates (allanite-Ce, Fe-allanite, cerite, chevkinite)...are minor and, in addition to the Mountain Pass bastnäsite and Russian loparite eudialyte deposits, include | | | Journal (article/letter/editorial) | studies have investigated the origins of alkaline granite-related REE deposits (e.g., Vasyukova et al. 2016;...which are significantly different from those in granite-related REE deposits (Rankin 2003). These carbonatitic...2015), which is coincided with Th–Pb dating for bastnäsite-(Ce) ages at ~26 Ma (Ling et al. 2016) and 40Ar–39Ar...limestones, and flood basalts intruded by Mesozoic granite; (4) a 700-m-thick coalbearing Triassic sedimentary...and carbonatite sills, which intruded a Mesozoic granite plutons and associated rhyolite with extend of | | | Journal (article/letter/editorial) | ARSENATES AND As-RICH SILICATES FROM THE ZINNWALD GRANITE, EASTERN ERZGEBIRGE, GERMANY Hans-Jürgen FÖRSTER§...dolina G, 842 15 Bratislava, Slovakia Abstract The granite cupola at Zinnwald (Germany) or Cínovec (Czech...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)...Electron-microprobe analyses show that arsenoflorencite-(Ce) contains low to moderate concentrations of P, Pb | | | 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... showing a marked contrast with the fluids of granite-related REE deposits (Cl−/(SO4)2− > 50) and a similarity...Keywords: Carbonatite; Maoniuping REE deposit; Bastnäsite-(Ce); Fluid inclusion; Fluid immiscibility 1. | | | Journal (article/letter/editorial) | accepted abstracts follow. THE GARNET LINE IN OXFORD COUNTY, MAINE, PEGMATITES. M. M. Felch, W. B. Simmons...intermediate and core zones in many of the Oxford County, Maine, pegmatites. This study primarily focuses...Rochester Mineralogical Symposium time-(Y), monazite-(Ce), and pollucite, which were not previously known...similar to the model proposed for the San Diego County pegmatites (Webber et al. 1997, 1999). The garnet...shallow level pegmatite-aplite dikes, San Diego County, California. American Mineralogist 84:708–17. | | Sheard, E. R., Williams-Jones, A. E., Heiligmann, M., Pederson, C., Trueman, D. L. (2012) Controls on the Concentration of Zirconium, Niobium, and the Rare Earth Elements in the Thor Lake Rare Metal Deposit, Northwest Territories, Canada. Economic Geology, 107 (1) 81-104 doi:10.2113/econgeo.107.1.81 | Journal (article/letter/editorial) | mainly in monazite-(Ce), allanite-(Ce), bastnäsite-(Ce), parisite-(Ce), and synchysite-(Ce). Much of the HREE...zircon-fergusonite-(Y)-bastnäsite-(Ce)-parisite-(Ce)-synchysite-(Ce)-allanite-(Ce)-albitequartz-biotit...Syenite, the Hearne Channel Granite, the Mad Lake Granite, the Grace Lake Granite, and the Thor Lake Syenite...of the intrusive events produced the Grace Lake Granite and the Thor Lake Syenite, which have gradational...Thor Lake Syenite Great Slave Lake Grace Lake Granite Fort Resolution Hearne Channel, Mad Lake Granites | | Xu, Cheng, Campbell, Ian H., Kynicky, Jindrich, Allen, Charlotte M., Chen, Yanjing, Huang, Zhilong, Qi, Liang (2008) Comparison of the Daluxiang and Maoniuping carbonatitic REE deposits with Bayan Obo REE deposit, China. Lithos, 106 (1) 12-24 doi:10.1016/j.lithos.2008.06.005 | Journal (article/letter/editorial) | backscattered electron image). Cc, calcite; Bas, bastnäsite-(Ce); Do, dolomite; R, C, rim and core of spots...94.79 99.91 99.13 Bt, bastnäsite-(Ce); Pt, parisite-(Ce); Mt, monazite-(Ce); bdl, below detection limit;...Principal REE minerals are fluorocarbonates and monazite [(Ce,La,Nd,Th)PO4]. Fluorocarbonates occur in aggregates...aggregates take the form of composite bastnäsite [(Ce,La)(CO3)F], parisite [(Ce,La)2Ca(CO3)3F2] and very fine (less...syntaxial intergrowth of intermediate phases. Bastnäsite-(Ce) occurs also as sporadic fine automorphic crystals | | | Journal (issue) | WASHINGTON November 14, 2009 9:00 am to 5:00 pm Clark County P. U. D. Building 1200 Fort Vancouver Way Vancouver...join us if you can. 2 A New Find of Gadolinite-(Ce) Washington Pass, Okanogan Co., Washington Saul Krotki...Krotki CRYSTALS IN AN UNUSUAL ALKALI GRANITE AT WASHINGTON PASS Numerous, minute crystals appearing...Okanogan County, Washington, in September 2008. The crystals were found in unusual alkali granite, which...chutes above the road. Stull (1969) maps the alkali granite, in situ, ½ mile west, and 1000 feet above the | | | Journal (article/letter/editorial) | world-class deposit hosted by alkaline syenite and granite and has two main mineralized zones, namely the...characterized by various HFSE minerals [typically, bastnäsite-(Ce), zircon, rutile, xenotime-(Y), and columbite]...postdates the REE fluorcarbonate minerals [e.g., bastnäsite-(Ce)]. These relationships indicate that HFSE precipitation...hosted by an assemblage of alkaline syenite and granite and shows both magmatic and hydrothermal HFSE enrichment...including bastnäsite-(Ce) [(Ce,REE)CO3F], parisite-(Ce) [(Ce,REE)2Ca(CO3)3F2], synchysite-(Ce) [(Ce,REE)Ca(CO3)2F] | | | Journal (article/letter/editorial) | chemistry and alteration of bastnäsite-(Ce), parisite-(Ce), and synchysite(Ce) was investigated by EMPA...Significant amounts of OH in both the parisite-(Ce) and synchysite-(Ce) were found, and these data are the first...for parisite and synchysite. Parisite-(Ce) and synchysite-(Ce) OH end-members have not been described...introduction The crystal structures of bastnäsite-(Ce) and synchysite-(Ce), based on the old definition by...as belonging to the bastnäsite-(Ce)–vaterite (CaCO3, hexagonal) series; parisite-(Ce) [CaCe2F2(CO3)3] represents |
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