 | | Journal (article/letter/editorial) | | evidence from zirconolite-bearing vesicles in potassic lavas of Lewotolo volcano (Indonesia) Received:...calc-alkaline lavas of Lewotolo volcano, situated in the East Sunda Arc, Indonesia, contain the rare mineral...mineral zirconolite (CaZrTi2O7). Samples in which tiny grains of this mineral (3±25 lm in size) were found...knowledge, this is the ®rst record of primary zirconolite in juvenile arc volcanics. The mineral forms...stages is considered to be responsible for the zirconolite formation. We hypothesise that a ¯uid capable |  | MacDonald, Ray, Nejbert, Krzysztof, Bagiński, Bogusław, Jurewicz, Edyta (2018) Ti–Zr–Nb-bearing accessory minerals in high-K trachyandesitic rocks from the Western Outer Carpathians, Moravia, Czech Republic. European Journal of Mineralogy, 30 (1) 135-147 doi:10.1127/ejm/2017/0029-2693 | Journal (article/letter/editorial) | | occurrence of chevkinite-group minerals (CGM), zirconolite and Nb-rich ilmenite is reported in Miocene high-K...as temperatures fell during crystallization. Zirconolite has high ThO2 (7.75 wt%) and UO2 (3.78 wt%)...low pH2O, and at temperatures around 840 °C. Zirconolite was stabilized relative to zircon by the Ti–Ca-rich...Ti into the CGM. Key-words: chevkinite group; zirconolite; Nb-rich ilmenite; Miocene K-rich trachyandesites;...of different combinations of zircon (ZrSiO4), zirconolite (CaZrTi2O7), baddeleyite (ZrO2), ilmenite, magnetite |  | Macdonald, R., Marshall, A. S., Dawson, J. B., Hinton, R. W., Hill, P. G. (2002) Chevkinite-group minerals from salic volcanic rocks of the East African Rift. Mineralogical Magazine, 66 (2) 287-299 doi:10.1180/0026461026620029 | Journal (article/letter/editorial) | | Chevkinite-group minerals from salic volcanic rocks of the East African Rift R. MACDONALD1, A. S. MARSHALL1, J....trachyte lava from the Tarosero volcano (Tanzania), both in the East African Rift Valley. Their compositions...rift and in a quartz trachyte from the Tarosero volcano in northern Tanzania, aged between 1.9 and 2.4...Volcanic Series of the Neogene-Quaternary volcanic province, dated between 2.4 and 1.9 Ma (MacIntyre et al...Tarosero, Tanzania – this paper; Chilwa Alkaline Province, Malawi - Platt et al. (1987); Cape Ashizuri, |  | Kamenetsky, V.S., Davidson, P., Mernagh, T.P., Crawford, A.J., Gemmell, J.B., Portnyagin, M.V., Shinjo, R. (2002) Fluid bubbles in melt inclusions and pillow-rim glasses: high-temperature precursors to hydrothermal fluids?. Chemical Geology, 183 (1) 349-364 doi:10.1016/s0009-2541(01)00383-7 | Journal (article/letter/editorial) | | environments, including mid-ocean ridges (Macquarie Island, SW Pacific and Mid-Atlantic Ridge 43N Fracture...(Hawaii) and a variety of modern and ancient backarc – island arc settings (eastern Manus Basin, Okinawa and...presence of zirconolite in vesicles in calcalkaline lavas of Lewotolo volcano, Indonesia. A study of...samples from mid-ocean and backarc ridges, immature island arcs, and oceanic islands. The methodology applied...hyaloclastite basaltic glasses from the Macquarie Island ophiolite, SW Pacific (Kamenetsky et al., 2000) |  | | Journal (article/letter/editorial) | | Mineralogist Vol. 42, pp. 1825-1845 (2004) ZIRCONOLITE AND Zr–Th–U MINERALS IN CHROMITITES OF THE FINERO...Eufemia, 19, I–41100 Modena, Italy ABSTRACT Zirconolite (CaZrTi2O7) associated with baddeleyite (ZrO2)...of the Finero mantle. Textural relations of zirconolite and the Zr–Th–U minerals indicate crystallization...and ~600°C, at a given pressure of 1.0 GPa. Zirconolite is an indicator of silica-undersaturated conditions...and U over Nb and Ta, is similar to that of zirconolite from some carbonatite complexes. The close association |  | | Journal (article/letter/editorial) | | Timedjelalen ring-complex is part of the Iforas alkaline province of Mali, emplaced just after the Pan-African collision...Malawi, and forming part of the Chilwa Alkaline province. The presence of c/p at Chikala was established...from Hubei province, China (0.16; Zhang and Fan, 1976), c/p from the Kialineq centre, East Greenland (0...SMN49); rare earth deposit northern Xichang, Sichuan Province, China (Yang et al., 1991b); fenite Oruktiyg alkaline...example, ascribe high Fe3+/Fe2+ in c/p from Hubei Province, China, to oxidation by water penetrating through |  | Voltaggio, Mario, Branca, Marilì, Tedesco, Dario, Tuccimei, Paola, Di Pietro, Laura (2004) 226Ra-excess during the 1631-1944 activity period of Vesuvius (Italy) Geochimica et Cosmochimica Acta, 68 (1) 167-181 doi:10.1016/s0016-7037(03)00236-9 | Journal (article/letter/editorial) | | Studies Vesuvius belongs to the Roman Volcanic Province (RVP), characterized by perpotassic magmas erupted...leachable accessory microphases, like perrierite or zirconolite, dispersed in groundmass. Perrierite was found...(2000) found zirconolite in vesicle-fillings in porphyritic high-K lavas of Lewotolo volcano explaining...characterize other lavas of the district of Lewotolo (East Sunda Arc) and Vulcano (Aeolian Islands) (Capaldi...recently investigated the crustal zone beneath the volcano. Within the first 5 km there were no evidences |  | | | | Paintbrush Tuff, Nevada Oroscocha, Peru Lewotolo volcano, Indonesia M. Amiata, Italy accessory in syenite...Late- or post-magmatic Roccamonfina volcano, Italy Sabatini volcano, Italy in miarolitic cavities in miarolitic...Burley Farm, Virginia Bjørkedalen, Norway Mt Charles, East Antarctica nepheline syenite granitoid pegmatite...Metamorphic Metacarbonates, Ontario Granulites, East Antarctica Jadeitite, central Japan Jadeitite, central...Miyajima et al. (2001); 16, Miyajima et al. (2002). volcano, Alaska and the Sierra Nevada, California, pegmatites |  | Hurai, Vratislav, Huraiová, Monika, Gajdošová, Michaela, Konečný, Patrik, Slobodník, Marek, Siegfried, Pete R. (2018) Compositional variations of zirconolite from the Evate apatite deposit (Mozambique) as an indicator of magmatic-hydrothermal conditions during post-orogenic collapse of Gondwana. Mineralogy and Petrology, 112 (3) 279-296 doi:10.1007/s00710-017-0538-7 | Journal (article/letter/editorial) | | ORIGINAL PAPER Compositional variations of zirconolite from the Evate apatite deposit (Mozambique) as...Springer-Verlag GmbH Austria 2017 Abstract Zirconolite is documented from the Evate apatite-magnetite-carbonate...Mesoproterozoic basement of the Nampula block. Zirconolite enriched in rare earth elements—REE = Y + Lu+ΣLa–Yb...around spinel and magnetite grains, whereas zirconolite enriched in U and Th (up to 18.88 wt% ThO2 +...with pyrrhotite and magnetite. Both types of zirconolite contain locally increased Nb and Ta concentrations |  | Galanciak, J., Bagiński, B., Macdonald, R., Belkin, H.E., Kotowski, J., Jokubauskas, P. (2020) Relationships between monazite, apatite and chevkinite-group minerals in the rhyolitic Joe Lott Tuff, Utah, USA. Lithos, 354. 105349 doi:10.1016/j.lithos.2019.105349 | Journal (article/letter/editorial) | | portion (SiO2 73-77 wt%) of the Younger Toba Tuff, Indonesia, has a volume >1000 km3 and contains12-25 wt%...Zr-rich accessory minerals (titanite, perrierite, zirconolite, baddeleyite) record strong oxidation associated...magma mixing in the south Peruvian of potassic province. Lithos, 104, 54-70. ro Cellai, D., Conticelli...evidence from zirconolite-bearing vesicles in potassic lavas of Lewotolo volcano (Indonesia). Contributions...magma, Soufriere Hills 20 Journal Pre-proof volcano, Montserrat, WI. Journal of Petrology, 44, 1375-1400 |  | | Journal (article/letter/editorial) | | evidence from zirconolite-bearing vesicles in potassic lavas of Lewotolo volcano (Indonesia). Contrib. Mineral...G., Bellatreccia, F., Williams, C.T., 2000. Zirconolite, with significant REEZrNb(Mn,Fe)O7, from a xenolith...53, 203 – 215. Hornig, I., Wörner, G., 1991. Zirconolite-bearing ultra-potassic 241 veins in a mantle...233–242 and implications for the evolution of ocean-island basalts. Geochim. Cosmochim. Acta 52, 1 – 17. Onuma...2002. Timing of mafic magmatism in the Tapajo’s Province (Brazil) and implications for the evolution of |  | | Journal (article/letter/editorial) | | elsevier.com/locate/lithos Petrogenesis of a zirconolite-bearing Mediterranean-type lamproite from the...crystallization of Ti – Zr-rich oxides (ilmenite, zirconolite) instead of wadeite, priderite, jeppeite, all...lamproite; Destructive plate margins; Mixing; Zirconolite; Altiplano; Peru 1. Introduction * Corresponding...Mediterranean Potassic Province from Western Europe [i.e., Murcia-Almeria Province, south Spain, Corsica...features (olivine-rich aggregates and groundmass zirconolite) that may place further constraints on the petrogenesis |  | | Journal (article/letter/editorial) | | Flegrei lavas. Besides baddeleyite, zircon, zirconolite (CaZrTi2O7), and pyrochlore (Na,Ca)2Nb2O6(OH...accessories are <15 mm, with the exception of zirconolite grains from sample CUMA, where grain sizes are...Zr-bearing accessory mineral was identified as zirconolite. Zirconolite was frequently identified by EDAX while...CaKa and TiKa peaks in zirconolite, which are absent in baddeleyite. Zirconolite grains in the CUMA sample...baddeleyite grain overlaps with mineral overgrowths of zirconolite or zircon, SIMS instrumental fractionation for |  | Macdonald, Ray, Bagiński, Bogusław, Belkin, Harvey E., Stachowicz, Marcin (2019) Composition, paragenesis, and alteration of the chevkinite group of minerals. American Mineralogist, 104 (3) 348-369 doi:10.2138/am-2019-6772 | Journal (article/letter/editorial) | | several A-type granite intrusions of the Graciosa Province, Brazil, and Macdonald et al. (2013) reported...point analyses from kersantites of the Oroscocha volcano, Peru, where Ca > REE (Fig. 7), potentially making...A-type Woshui syenite in the Emeishan igneous province, SW China (Fig. 9). (4) Both subgroups show large... 2009), potassic volcanics from the Oroscocha volcano (Carlier and Lorand 2008), and Al-rich perrierites...highest values are in perrierite from the Oroscocha volcano (Carlier and Lorand 2008), in mafic sills of Western |  | | Journal (article/letter/editorial) | | in their investigation of volcanism at Anatahan Volcano in the Mariana Islands, Wade et al. (2005) note...baddeleyite (Heaman and le Cheminant, 1993) and zirconolite (de Hoog and van Bergen, 2000). In order to test...and diamonds respectively) are plotted from Pagan Island in the Marianas. Although both show very similar...study. Thus for example, in the case of Bakening Volcano in Kamchatka, to remove the Hf anomaly–silica correlation...again and, to remove the correlation at Lopevi Volcano Hf would be required to be more incompatible than |  | Wu, Fu-Yuan, Yang, Yue-Heng, Mitchell, Roger H., Bellatreccia, Fabio, Li, Qiu-Li, Zhao, Zi-Fu (2010) In situ U–Pb and Nd–Hf–(Sr) isotopic investigations of zirconolite and calzirtite. Chemical Geology, 277 (1) 178-195 doi:10.1016/j.chemgeo.2010.08.007 | Journal (article/letter/editorial) | | U–Pb and Nd–Hf–(Sr) isotopic investigations of zirconolite and calzirtite Fu-Yuan Wu a,⁎, Yue-Heng Yang...Keywords: U (Pb)–Pb age Nd–Hf–(Sr) isotopes Zirconolite Calzirtite In situ analysis Carbonatite a b...calcium- and titanium-bearing zirconsilicates, zirconolite and calzirtite, are common minerals in carbonatites...possibly Sr isotopic analyses. In this study, zirconolite and calzirtite from carbonatites occurring at...gittinsite; sabinaite; weloganite; tazheranite; zirconolite/zirkelite; kimzeyite; wadeite; and calzirtite |  | Galanopoulos, Evangelos, Voudouris, Panagiotis, Mavrogonatos, Constantinos, Spry, Paul, Hart, Craig, Melfos, Vasilios, Zaccarini, Federica, Alfieris, Dimitrios (2018) A New Porphyry Mo Mineralization at Aisymi-Leptokarya, South-Eastern Rhodope, North-East Greece: Geological and Mineralogical Constraints. Geosciences, 8 (12) 435 doi:10.3390/geosciences8120435 | Journal (article/letter/editorial) | | Aisymi-Leptokarya, South-Eastern Rhodope, North-East Greece: Geological and Mineralogical Constraints...in the porphyry quartz veins. Late-stage, north-east (NE-) and north-west (NW-)trending milky quartz...represented by the giant Qian’echong Mo deposit, east China [7]. Alteration patterns in porphyry Mo deposits...argillic assemblages [8–10]. The Thrace metallogenic province in NE Greece hosts a number of mineralization...two metamorphic domes, the Kesebir-Kardamos to the east and the Byala Reka–Kechros to the west (Figure 1) |  | | Journal (article/letter/editorial) | | evidence from zirconolite-bearing vesicles in potassic lavas of Lewotolo volcano (Indonesia). Contrib. Mineral...Equilibria. Harper & Row, New York. Giere R. (1986) Zirconolite, allanite and hoegbomite in a marble skarn from...S. F. (2007) Classification of altered volcanic island arc rocks using immobile trace elements: development |  | Louvel, M., Sanchez-Valle, C., Malfait, W. J., Cardon, H., Testemale, D., Hazemann, J.-L. (2014) Constraints on the mobilization of Zr in magmatic-hydrothermal processes in subduction zones from in situ fluid-melt partitioning experiments. American Mineralogist, 99 (8) 1616-1625 doi:10.2138/am.2014.4799 | Journal (article/letter/editorial) | | accessory phases in volcanic vesicles at Lewotolo volcano (Indonesia), or the record of noticeable HFSE scavenging...basalts from Vizcaino Peninsula, Mexico: Indicators of East Pacific Rise subduction below Southern Baja California...Th—Implications for High-Field Strength Element depletion in island-arc basalts. Earth and Planetary Science Letters... REE, Th and U in arc magmas: evidence from zirconolite-bearing vesicles in 1624 LOUVEL ET AL.: Zr...AND SILICATE MELTS potassic lavas of Lewotolo volcano (Indonesia). Contributions to Mineralogy and Petrology |  | | Journal (article/letter/editorial) | | In other (nonore forming) cases, one may find zirconolite, an HFSE, REE, and actinide-bearing mineral that...suggests precipitation from magmatic vapor. Zirconolite is also found in other hydrothermal regimes,...New Guinea (Fig. 1) close to the border with Indonesia, in a regional south-verging fold-and-thrust belt...units. The belt is located south of the axis of the east-west–trending Papua New Guinean orogen. Deformation...ongoing since the Late Miocene collision of an island arc with the northern margin of the Australian |  | Scordari, F., Schingaro, E., Ventruti, G., Nicotra, E., Viccaro, M., Tagliani, S. M. (2013) Fluorophlogopite from Piano delle Concazze (Mt. Etna, Italy): Crystal chemistry and implications for the crystallization conditions. American Mineralogist, 98 (5) 1017-1025 doi:10.2138/am.2013.4225 | Journal (article/letter/editorial) | | fluorophlogopite 1M from Piano delle Concazze, Mt. Etna volcano, Italy, is carried out. The fluorophlogopite occurs...differentiation acting in the shallow portions of the volcano plumbing system can be drawn. The intake of fluorine...background Mount Etna is a Quaternary composite volcano characterized by intra-plate magmatism (Viccaro...al. 2011 and references therein). The relevant volcano-stratigraphic succession is divided into four major...model of Mt. Etna volcano (from Monaco et al. 2011) with location of the North-East and South Rift zones |  | | Journal (article/letter/editorial) | | (HS) Granite represent a silicic large igneous province with an outcrop extent of more than 25 000 km2...(Blissett et al., 1993; Fig. 1). The volcano-plutonic province was emplaced in an intracontinental setting...Ag Olympic Dam deposit is hosted in the GRV-HS province. The deposit is enriched in REE and F compared...encrustations in a carbonatitic lava of Lengai volcano, Tanzania. (3) Crystallisation from silicate magma...oxide copper–gold deposits in the Olympic Dam province, which is hosted in associated rocks of the Hiltaba |  | | Journal (article/letter/editorial) | | volatiles into shallow reservoirs at Mt. Etna volcano (Italy) responsible for halogen-rich magmas EUGENIO...assimilation of the sedimentary basement underlying the volcano edifice, is poorly consistent with the geochemical...classification (UBSU; Salvador, 1987, 1994). The volcano-stratigraphic succession of the Ellittico centre...(Coltelli et al., 1994; D’Orazio et al., 1997). To the east, the Ellittico sequence outcrops along the western...Etna (Sicily, Italy) is a Quaternary composite volcano, characterized by a within-plate magmatism (Viccaro |  | Lawrie, K.C., Mernagh, Terrence P., Ryan, Christopher G., Achterbergh, Esme van, Black, Lance P. (2007) Chemical fingerprinting of hydrothermal zircons: an example from the Gidginbung high sulphidation Au-Ag-(Cu) deposit, New South Wales, Australia. Proceedings of the Geologists' Association, 118 (1) 37-46 doi:10.1016/s0016-7878(07)80045-9 | Journal (article/letter/editorial) | | morphic grade vo lcanics and sedimentary rocks to the east. The Gig inbung Volcanic s occur as a wedge of mat...Combaning Formati on sediments, which lie mainly to the east of the Booberoi Fault (Fig. I). Th e orebody is...evidence from zirconolite-bearing vesicles in potassic lavas of Lewotolo volcano (Indonesia). Contributions |  | | Journal (article/letter/editorial) | | after the caldera-forming phase of the Ellittico volcano, reported by several authors to ~15 ka (cf. Gillot...background Mount Etna is a Quaternary composite volcano, which has grown up to its present elevation (<3340...divided in four major phases, which correspond to volcano-stratigraphic Units (Cristofolini et al. 1979;...erupted during the last stages of the Ellittico volcano, accompanied by summit caldera collapses, and just...(Nicotra and Viccaro 2012). Products of the Ellittico volcano mainly crop out on the eastern, south–western, |
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