 | | Journal (article/letter/editorial) | | of CaCeAl2(Fe3+2/3□1/3)[Si2O7] [SiO4]O(OH), allanite-(Ce) and REE-bearing epidote in miarolitic pegmatites...Baveno granite (Verbania, central-southern alps, Italy) Alessandro Guastoni 1 & Fabrizio Nestola 1 & ...(Fe 3+ 2/3 □ 1/3 )[Si 2 O 7 ][SiO 4 ]O(OH), allanite-(Ce) and rare earth element (REE)-bearing epidote...granitic pegmatite at Baveno, Verbania, Southern Alps, Italy. These samples were investigated by means of an...between CaCeAl2(Fe3+2/3□1/3)[Si2O7][SiO4]O(OH), allanite-(Ce) and REE-free epidote, because reflect the strong |  | | Journal (article/letter/editorial) | | of miarolitic cavities in the Cuasso al Monte granophyre (Varese, Italy) Giancarlo Capitani1,*, Enrico...Milano-Bicocca, Piazza della Scienza 4, Milan 20126 Italy 2 Center for Nanotechnology Innovation@NEST, Istituto...Tecnologia, Piazza San Silvestro 12, Pisa 56127 Italy Abstract In this paper, we describe a unique occurrence...miarolitic cavities in a granophyre from Cuasso al Monte (Italy). The results suggest that temperatures...crystal at all temperatures and pressures (Smith et al. 2009) and, not surprisingly, the recurrent TiO2 |  | | Journal (article/letter/editorial) | | (Bernhard et al. 1998, MoeHoet al. 2002) - the Sc-analogue of xenotime; juonniite (Liferovich et al 1997) -...robertsite; scandiobabingtonite (Orlandi et al. 1998, Gramaccioli et al. 1998, Raade & Erambert 1999) - the Sc-analogue...(Ferraris et al. 2001, Nespolo et al. 2001, Nespolo 2004, Nespolo & Ferraris 2004, Ferraris et al. 2004, Raade...Raade et al. 2002); the scandium-dominant analogue of milarite named ofte da lite ( Cooper et al. 2005,...analogue of synthetic monoclinic ScTa04 (Kolitsch et al. 2009); the three latter from the type locality at |  | | Journal (article/letter/editorial) | | Carpathians, eastern Slovakia. Prismatic zircon I and allanite-(Ce) are primary magmatic phases. However, the late-magmatic...possibly monazite-(Ce). However, monazite-(Ce) and the partial alteration of allanite-(Ce), xenotime-(Y)...thorite-xenotime-zircon series; it is also enriched in Al. Fergusonite-(beta)/ samarskite-(Y) and especially...aeschynite/polycrase-(Y) show increased P, Si and Al contents. K EY WORDS : REE phosphates-silicates...in REE and Y, especially monazite, xenotime and allanite, are some of the most widespread accessory phases |  | | Journal (issue) | | rare-element class pegmatites in the Borborema Province in NE-Brazil?...................................miarolitic granite of Cuasso al Monte, Varese province, (Southern Apls, Italy)…………………………………………………………………………………41...The Tertiary pegmatite filed of the Central Alps (Italy and Switzerland)……………………………….44 HANSON, S.L., ZITO...J., KONEČNY, P., KRZYKAWSKI, T., YI, K. Monazite-(Ce) from the Skalna Brama Pegmatite, Sudety Mts, Poland...pegmatitic granite dykes in the central Grenville Province…………………………………………………………………………………………………………………………… |  | Bacik, P., Fridrichova, J., Uher, P., Prsek, J., Ondrejka, M. (2014) THE CRYSTAL CHEMISTRY OF GADOLINITE-DATOLITE GROUP SILICATES. The Canadian Mineralogist, 52 (4) 625-642 doi:10.3749/canmin.1400022 | Journal (article/letter/editorial) | | Environmental Protection, Department of Economic Geology, al. Mickiewicza 30, 30-059 Kraków, Poland MARTIN ONDREJKA...Foord et al. 1986) and more detailed structural and crystalchemical research (DeMartin et al. 1993, 2001...Miyawaki et al. 1984, 1987, 2007, Perchiazzi et al. 2004, Cámara et al. 2008, Rinaldi et al. 2010). The...1903, Pemberton 1971, Bellatreccia et al. 2006, Zaccarini et al. 2008), and (3) bakerite is also a microcrystalline...pegmatites and also in some metamorphic rocks (DeMartin et al. 1993, Holstam & Andersson 2007). Recent classification |  | | Journal (article/letter/editorial) | | 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...in REE and Y occur, ranging from fluorbritholite-(Ce) to the unaccredited member “fluorbritholite-(Y)”...with Ca < 2 and (REE + Y) > 3 apfu. Västmanlandite-(Ce) is another important host for the REE in subtype |  | | Journal (article/letter/editorial) | | R+ = Na, Cs, K, Rb; R2+ = Mg, Fe2+, Mn, Ca; R3+ = Al, Sc, Fe3+, and (2) CH□ 2OR3+ = CHCa 2OR2+ [or modified...R+ = Na, Cs, K, Rb; R2+ = Mg, Fe2+, Mn, Ca; R3+ = Al, Sc, Fe3+, et (2) CH□ 2OR3+ = CHCa 2OR2+ [ou bien...written as: CH(Na,Cs,Rb,K,H2O,He,Ar) T(2)(Be,Li)3 O(Al,Fe3+,Sc,Cr,V,Fe2+,Mg,Mn) T(1)[Si O ] (Franz & 2 6...Be3Sc3+2Si6O18; e.g., Armbruster et al. 1995, Gramaccioli et al. 2000, Raade et al. 2004; stoppaniite: Be3Fe3+2Si6O18;...Be3Fe3+2Si6O18; e.g., Ferraris et al. 1998, Della Ventura et al. 2000), (ii) so-called “T-beryl”, with dominant |  | | Journal (article/letter/editorial) | | gadolinite-group minerals, gittinsite, ferriallanite-(Ce), and a pervasive replacement of the granite by these...of primary REE-F-(CO2) minerals (e.g., bastnäsite-(Ce) host to LREE), zirconosilicates (i.e., Na zirconosilicates...of secondary LREE silicates (i.e., ferriallanite-(Ce)), HREE silicates (i.e., gadolinite-(Y)), zirconosilicates...are enriched in HREE. Hydrothermal ferriallanite-(Ce) and gadolinite-group minerals also show a clear...2, 2015 Accepted: March 12, 2016 1242 GYSI ET AL. Geologic Setting and Lithology The Strange Lake |  | | Journal (article/letter/editorial) | | with fluorbritholite-(Ce), västmanlandite-(Ce), dollaseite-(Ce), bastnäsite-(Ce) and tremolite. Gadolinite-(Nd)...gadolinite subgroup together with fluorbritholite-(Ce) incorporate the highest fraction of medium-to-heavy...ET AL. TABLE 1. Minerals of the gadolinite supergroup and their structural formulae (Bačík et al., 2017)...The newly-defined gadolinite supergroup (Bačík et al., 2017) includes silicates, phosphates and arsenates... Mn2+, Zn, Cu, Al; Q: Be, B > Li; T: Si > P, As, B, Be, S; j: O, OH > F (Bačík et al., 2017). Based on |  | | Journal (article/letter/editorial) | | Università di Roma, P.le A. Moro, 5, I-00185 Rome, Italy Abstract As Richard H. Jahns used to say, granitic...Republic, a well-characterized example, Černý et al. (1984) found the plagioclase at both borders of...strength of the (Al,Si)–O bonds in the tetrahedra, and the necessary involvement of Al and Si in any exsolution...from the wall zone. Falster (1994) and Sirbescu et al. (2009) documented rapid, disequilibrium crystallization...(Prol-Ledesma et al. 2012), the border zone contains strikingly elongate crystals of allanite(Ce) and titanite |  | | Journal (article/letter/editorial) | | aegirine-natalyite; allanite; barite; barylite; coffinite; Ca-Mn-silicate; magnetite; monazite(Ce); niobian vanadian...Sage (1982); A.W. Knox, Unpublished data; Smyk et al. (1993); Platt and Mitchell (1996); Potter (2004);...Archaean metasedimentary and granitic rocks (Smyk et al. 1993). Following emplacement of the breccia, the...volcaniclastic breccia (after Sage 1991; Smyk et al. 1993) by alkaline metasomatism. The subcomplex...solutions; uraninite; thorite; thorogummite; monazite-(Ce); xenotime-(Y); thortveitite; hollandite; tyuyamunite; |  | | Journal (article/letter/editorial) | | Cs, Mg, Fe, Sc in beryl I and II; Na, Ca, Mg, Fe, Al in bazzite III; REE in milarite-agakhanovite-(Y)...in Fe/Mn in helvite-danalite and high variation of Al in bohseite-bavenite series. Replacement reactions...early tourmaline crystallization affected activity of Al in the parental medium and thus may have controlled...primary Be-minerals (beryl – higher Al, helvite-danalite – lower Al) which crystallized later. Secondary...Ca in fluids. Variations in chemical composition (Al contents) of bohseite-bavenite series were controlled |  | | Thesis/Dissertation | | Andersen et al. 2010) and as a complexing agent promoting element mobility (e.g. Alderton et al. 1980; Salvi...was discovered approximately 15 years ago (Hurum et al., 1998), but limited work has been done since its...associated with the Sorgenfrei-Tornquist Zone (Neuman et al., 2004). The graben system consists of three main...Permian rift tectonics and not magmatism (Larsen et al. 2008). The Oslo Rift has been studied for almost...succession of events (Larsen et al., 2008; Ramberg & Larsen, 1978; Neumann et al., 2004): 1 Figure 1 - Simplified |  | | Book (edition) | | supergroup (Armbmster et al., EJM 18, 551-567, 2006), sapphirine supergroup (Grew et al., MM 72, 839-876, 2008)...sulfosalts (Moelo et al., EJM 20, 7-46, 2008), alunite supergroup (Bayliss et al., MM 74, 919-927, 2010)...supergroup (Pasero et al., EJM 22, 163-179, 2010), pyrochlore supergroup (Atencio et al., CM 48, 673-698,...supergroup (Henry et al., AM 96, 895-913, 2011), amphibole supergroup (Hawthorne et al., AM 97, 2031-2048...heteropolymolybdates (Kampf et al., MM 76, 1175-1207, 2012), hydrotalcite supergroup (Mills et al., MM 76, 12891336 |  | | Journal (article/letter/editorial) | | granite-syenite complex (named as Keivy alkaline province) is an essential part of the Keivy block (Figure...accessories such as chrysoberyl, gadolinite-(Ce), chevkinite-(Ce), buergerite, native iron, sulfur, crichtonite...accessories such as chrysoberyl, gadolinite-(Ce), chevkinite-(Ce), buergerite, native iron, sulfur, crichtonite...granite pegmatite Silicates beryl Keivy alkaline province/AR 1. pegmatite of peralkaline granite 2. quartz-epidote...(2), gadolinite-(Ce) (2), gadolinite-(Y) (1,3,4,5), genthelvite (1), hingganite-(Ce) (2), hingganite-(Y) |  | | Journal (article/letter/editorial) | | the minerals euxenite [(Y,Ca,Ce,U,Th) (Ti,Nb,Ta)2O6] and gadolinite [(Ce,La,Nd,Y)2FeBe2Si2O10]. Scandium...Piedmont region of northern Italy (Gramaccioli et al., 2004; Pezzotta et al., 2005). This granite is also...facies within K-rich alkaline granite (Pezzotta et al., 2005). They are commonly accompanied by other REE...and monazite, which supply the phosphate (Dill et al., 2006). In addition to scandium minerals sensu stricto...commonly have Sc concentrations up to 2 wt % (Wise et al., 1998). There is also a variety of ixiolite referred |  | | Thesis/Dissertation | | (Heftetjern = bulk mean 53 ppm Sc; Rosing-Schow et al., 2020) define both rocks as Sc-enriched compared...Heftetjern pegmatite (4.1 wt.% K2O; Rosing-Schow et al., 2020) compared to the high K2O content of the Sc-poor...Sc-poor Kleppe quarry (7.4.wt% K2O; Rosing-Schow et al., 2020) indicate that the Heftetjern pegmatite melt...15%) compared to the Kleppe quarry (<5%) (Kushiro et al., 1996). This suggests that the Sc enrichment in... REE and Mo (Černý, 1991b; Simmons et al., 2003; Glover et al., 2012). Because of the elevated abundances |  | | Journal (issue) | | Elliot (O ceanside, Calif.) Alfredo Ferri (Milan, Italy) Richard V. Gaines (Pottstown, Penn.) David Garske...Binntal lies almost completely in the region of the Monte Leone nappe, one of the lowest of the Pennidic nappes...“Black Rock district, near Hotazel, Northern Cape Province, South Africa.” We will endeavor to obtain more...situated about 10 km from Rosia, in the province of Siena, Tuscany, Italy. The mine has been closed for many...sulfur. P. B. Scortecci Via Erbosa, 15 52100 Arezze, Italy Figure 1. Acicular white onoratoite sprays with |  | | Book (edition) | | Prague Printedin Czech Republicby Finidr.u.o .. Ce,ky Te~in 14/02/03/0 I All rights reserved•• ·o pan...dominant rareearth element (REE). e.g. monazite-(Ce), monazite(Nd), etc. In a few cases a similar procedure...expressed in abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture)...the revolution in 1997. Its mineral rich Katanga province was renamed Shaba by Mobutu, and is now the Katanga...Katanga administrative region again. The former Kivu province is now divided to three regions: INTRODUCTION |  | | Book | | [the Santa Lucia and Sa Duchessa mines,] Sardinia [Italy] (by F. Olmi, C. Sabelli & G. Brizzi) 19:305-310...ALBERTINI, CLAUDIO Famous mineral localities: Baveno, Italy 14:157168 ALBITE Davis Hill near Bancroft, Ontario:...8:287-293 Minerals of the Alpine rodingites of Italy (by C. M. Gramaccioli) 10:85-89 Micromounting in... J. F. Cooper, Jr. & J. S. White, Jr.) 6:180-183 AL YES, JEANETE --with J. P. Cassedanne: Apatite and...Caimcross: Gold in South Africa 23:209-225. 23:228 Al 'JAJ\ABO~OINA The Anjanabonoina pegmatite. Madagascar |  | | Book | | Kubelka-Munk function (Kubelka and Munk 1931; Boroumand et al. 1992) to a diffuse reflectance spectrum produces...to a, b and c (drawn using data from Hiraishi et al. 1979) 1384 cm−1 indicates the presence of NO3−...The picture is drawn using data from Goriletsky et al. (2001) As noted by Chalmers (2006), “to many readers...chlorothionite, CuK2(SO4)Br2 is formed (Fernández et al. 1993). Reduction of potassium ferricyanide to ferrocyanide... 180, 200, 225 °C) have been tested by Kendix et al. (2009). According to their data, at 180 °C and |  | | Book | | Breivikbotn Silicocarbonatite, Seiland Igneous Province in Northern Norway: Prerequisites for Zeolite...Minerals from the Sakharjok Massif, Keivy Alkaline Province, NW Russia Reprinted from: Minerals 2018, 8, 458...of the Russian Arctic) provided by Vernikovsky et al. [1]. The main oil and gas generating deposits of...known hydrocarbon reserves. The article by Kozlov et al. [2] is devoted to the Western part of the Russian...investigated in several subsequent papers. Kalinin et al. [3] reports on gold prospects in the region with |
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