 | Baumgartner, R. J., Zaccarini, F., Garuti, G., Thalhammer, O. A. R. (2013) Mineralogical and geochemical investigation of layered chromitites from the BraccoâGabbro complex, Ligurian ophiolite, Italy. Contributions to Mineralogy and Petrology, 165 (3) 477-493 doi:10.1007/s00410-012-0818-5 | Journal (article/letter/editorial) | | layered chromitites from the BraccoâGabbro complex, Ligurian ophiolite, Italy R. J. Baumgartner âą F. Zaccarini...Springer-Verlag Berlin Heidelberg 2012 Abstract The BraccoâGabbro Complex (Internal Liguride ophiolite), that...seafloor, as evidenced by the formation of ferrian chromite. The PGE contents of the chromitites and associated...sulphides that occur interstitially to or enclosed in chromite. Recently, it has been shown that the Internal...PGE distribution in the Bracco chromitites. Keywords Ligurian ophiolite BraccoâGabbro complex Layered |  | | Journal (article/letter/editorial) | | Geologia dell'Universitgt di Firenze, Florence (Italy) (Received August 1, 1968) SUMMARY Magmatic activity...visible. The granite from three outcrops in the Liguria-Emilia Apennines have been dated by EBERHARDT et...typical outcrop of Pratomollo (Monte Aiona, eastern Liguria) peridotite contains olivine, clinopyroxenes and...peridotite. Primary minerals present are picotite, chromite and magnetite, whereas the secondary minerals...PICCARDO(1970) from the Bracco area (eastern Liguria). The cumulus minerals are olivine and chromite; the latter |  | | Journal (article/letter/editorial) | | Olivine-richTroctolites from Ligurian Ophiolites (Italy): Evidence for Impregnation of Replacive Mantle...GEORISORSE, U.O. DI PAVIA, VIA FERRATA 1, 27100 PAVIA, ITALY RECEIVED APRIL 20, 2010; ACCEPTED MAY 17, 2011...Internal Ligurian ophiolites (Northern Apennines, Italy) include olivine-rich troctolite bodies up to 80...org/ at University of Birmingham on June 8, 2015 ITALY 2 JOURNAL OF PETROLOGY VOLUME 52 GEOLOGIC A...(Lucchetti et al., 1990; Marroni et al., 2002). The Bracco^Levanto and Scogna^Rocchetta Vara ophiolitic bodies |  | Sciarra, Alessandra, Saroni, Anna, Etiope, Giuseppe, Coltorti, Massimo, Mazzarini, Francesco, Lott, Christian, Grassa, Fausto, Italiano, Francesco (2019) Shallow submarine seep of abiotic methane from serpentinized peridotite off the Island of Elba, Italy. Applied Geochemistry, 100. 1-7 doi:10.1016/j.apgeochem.2018.10.025 | Journal (article/letter/editorial) | | serpentinized peridotite off the Island of Elba, Italy Alessandra Sciarra, Anna Saroni, Giuseppe Etiope...serpentinized peridotite off the Island of Elba, Italy, Applied Geochemistry (2018), doi: https://doi.org/10...serpentinized peridotite off the Island of Elba, Italy Alessandra Sciarra1,2,3*, Anna Saroni2, Giuseppe...Sezione Roma 1, via di Vigna Murata 605, 00143, Rome, Italy. 2 Department of Physics and Earth Sciences University...University of Ferrara, Via Saragat 1, 44122, Ferrara, Italy. 3 Consiglio Nazionale delle Ricerche â Istituto |  | Zaccarini, Federica, Economou-Eliopoulos, Maria, Kiseleva, Olga, Garuti, Giorgio, Tsikouras, Basilios, Pushkarev, Evgenii, Idrus, Arifudin (2022) Platinum Group Elements (PGE) Geochemistry and Mineralogy of Low Economic Potential (Rh-Pt-Pd)-Rich Chromitites from Ophiolite Complexes. Minerals, 12 (12) 1565 doi:10.3390/min12121565 | Journal (article/letter/editorial) | | melting-point Rh, Pt and Pd (PPGE) compared with most chromite deposits associated with ophiolites, which are...liquid segregating during or immediately after chromite precipitation. The sulfide liquid collected the...ppb, as was found in one sample from Shetland chromite deposits, the ophiolitic chromitites are not presently...chromitites cannot compete, at the moment, with those in chromite deposits of the Bushveld type that will supply...(PGM) that occur as tiny grains enclosed in the chromite crystals and, to a lesser extent, in the silicates |  | | Journal (article/letter/editorial) | | oceanic basins and Northern Apennine ophiolites (Italy) - A comparison Rl~JEAN HI'BERT 1, GIANCARLO SERRI...2Dipartimento di Scienze della Terra, 1-56100 Pisa (Italy) 3IFREMER, Centre de Brest, F-29273 Brest Cddex...oceanic basins and Northern Apennine ophiolites (Italy) - A comparison. In: L. Beccaluva (Guest-Editor)...peridotites. The coexisting spinel is typically a Ti-chromite with high Cr# (43-60). The most Mg-rich olivine...before the deposition of the sedimentary cover. The Bracco Massif is the best preserved plutonic sequence |  | | Journal (article/letter/editorial) | | (10) Piemont-Liguria (western Italy) and Monte Maggiore (Corsica), (11) Lanzo (western Italy), (12) Othris...structures HP plastic flow neoblasts grain size chromite pods diabase occurrence serpentinization of New...Trinity in the Klamath Mountains [7,25-27], Piemont-Liguria in northern Italia ([28-30], and unpublished data)...The crustal section associated with the Piemont-Liguria ophiolites when it exists also shows a limited...critical difference between the two subtypes is that chromite pods are restricted to HOS. 2. 4. Structures and |  | Renna, Maria Rosaria, Armandola, Sonia, Becker, Harry, Sanfilippo, Alessio, Tribuzio, Riccardo, Wang, Zaicong (2021) Fractionation of highly siderophile and chalcogen elements in the lower oceanic crust: Insights from the troctolites of the Alpine-Apennine Jurassic ophiolites. Lithos, 380. 105873pp. doi:10.1016/j.lithos.2020.105873 | Journal (article/letter/editorial) | | della Terra, -p UniversitĂ di Messina, Messina, Italy Fortescue Metals Group Ltd, Perth, Australia c...Istituto di Geoscienze e Georisorse, C.N.R., Pavia, Italy f State Key Laboratory of Geological Processes...della Terra, -p UniversitĂ di Messina, Messina, Italy Fortescue Metals Group Ltd, Perth, Australia c...Istituto di Geoscienze e Georisorse, C.N.R., Pavia, Italy f State Key Laboratory of Geological Processes...z d T U v d âAmb U v G m y Ă d P v Pavia, Italy ur na m F lP G re b Jo China University |  | | Journal (article/letter/editorial) | | B.V., Amsterdam -- Printed in The Netherlands Chromite pods in a lherzolite massif (Collo, Algeria)"...LITHOS @ Leblanc, M. and Temagoult, A., 1989. Chromite pods in a lherzolite massif (Collo, Algeria):...with subordinate dunite in its uppermost part. Chromite pods are c o m m o n here. It is generally accepted...This retrograde metamorphic evolution corre- CHROMITE PODS IN A LHERZOLITE MASSIF [ ~ PlagioclaseIherzolite...Sketch map of the Collo massif and location of the chromite pods (solid circles) and eluvial boulders (open |  | Idrus, Arifudin, Septiana, Sara, Zaccarini, Federica, Garuti, Giorgio, Hasria, Hasria (2022) Mineralogical, Textural and Chemical Characteristics of Ophiolitic Chromitite and Platinum Group Minerals from Kabaena Island (Indonesia): Their Petrogenetic Nature and Geodynamic Setting. Minerals, 12 (5) 516 doi:10.3390/min12050516 | Journal (article/letter/editorial) | | presents the first systematic mineralogical study of chromite composition, silicates and PGM (platinum group...found in the silicate matrix or included in fresh chromite. Olivine shows a composition typical of a hosted...included in fresh chromite or in contact with ferrian chromite along the cracks in the chromite. Laurite forms...as solid phases during the crystallization of chromite at temperatures above 1000 ⊠C and a sulfur fugacity...extent, SSZ geodynamic settings. For many decades, chromite composition has been used to distinguish the two |  | Carbone, Cristina, Di Benedetto, Francesco, Marescotti, Pietro, Martinelli, Alberto, Sangregorio, Claudio, Cipriani, Curzio, Lucchetti, Gabriella, Romanelli, Maurizio (2005) Genetic evolution of nanocrystalline Fe oxide and oxyhydroxide assemblages from the Libiola mine (eastern Liguria, Italy): structural and microstructural investigations. European Journal of Mineralogy, 17 (5) 785-795 doi:10.1127/0935-1221/2005/0017-0785 | Journal (article/letter/editorial) | | assemblages from the Libiola mine (eastern Liguria, Italy): structural and microstructural investigations...Genova, Italy di Storia Naturale, UniversitĂ di Firenze, Via G. la Pira, 4, I-50121 Firenze, Italy 3INFM-LAMIA...3INFM-LAMIA, C.so Perrone, 24, I-16152 Genova, Italy 4UdR INSTM and Dip. Chimica, UniversitĂ di Firenze,...Fiorentino, Italy 2Museo Abstract: The Libiola Fe-Cu-sulphide mine, near Sestri Levante (eastern Liguria), represents...most extensively exploited sulphide deposits in Italy. In this area, active Acid Rock Drainage (ARD) processes |  | | Journal (article/letter/editorial) | | UniversitĂ di Pisa, Via Santa Maria 53, I-56126 Pisa, Italy â marco.pasero@unipi.it Geosciences, Museum Victoria...UniversitĂ di Firenze, Via La Pira 4, I-50121, Firenze, Italy, catalogue number 3238/I How to cite: Bindi, L....Piedmont, Italy (44°33âČ42.5âł N, 6°54âČ59.2âłE) Cristian Biagioni*, Marco E. Ciriotti, Roberto Bracco, Marco...Calci (PI), Italy, catalogue number 19907 How to cite: Biagioni, C., Ciriotti, M.E., Bracco, R., Pasero...Tschauner *E-mail: chi@gps.caltech.edu A dimorph of chromite Orthorhombic: Pnma; structure determined a = 9 |  | | Journal (article/letter/editorial) | | UniversitĂ di Pisa, Via Santa Maria 53, 56126 Pisa, Italy â marco.pasero@unipi.it Geosciences, Museum Victoria...UniversitĂ di Firenze, Via La Pira 4, I-50121, Firenze, Italy, catalogue number 3238/I CNMNC Newsletter 778...Piedmont, Italy (44°330 42.500 N, 6°540 59.200 E) Cristian Biagioni , Marco E. Ciriotti, Roberto Bracco, Marco...Calci (PI), Italy, catalogue number 19907 How to cite: Biagioni, C., Ciriotti, M.E., Bracco, R., Pasero...Tschauner E-mail: chi@gps.caltech.edu A dimorph of chromite Orthorhombic: Pnma; structure determined a = |  | | Journal (article/letter/editorial) | | Bekkarfjord Olivine Pyroxene Amphibole } Plagioclase Chromite Phyllosilicate tr.- trace; -= absent Oldervik...enstatite+diopside-t-spinel=anorthite+olivine+ chromite orthopyroxene ss=enstatite ss+spinel+plagioclase...assemblage of olivine, amphibole, pyroxenos, and chromite, derived from assemblage 3 by the followingtype...implies that part of the Ronda (Dickey 1970) and Liguria (Bezz{ & A1 was substituted in p'yroxene as AI2SiOs...phyllosilicate nucleated on the chrome spinel chromite to anhedral or subhedral granules (Fig. 5). The |  | | Journal (article/letter/editorial) | | Petrografia. Universita di Genova. 16132 Genova. Italy (Received 30 March 1978; accepred iu rcuised...thrust sheet of the Gruppo di Voltri. western Liguria: three samples are from all~hthonous eastern Ligurian...with the upper mantle than those from eastern Liguria. The lherzolite samples have nearly identical bulk-rock...presented in Fig. I. Local geologic relationships for Liguria are shown in Fig. 2. The Late Cretaceous-Eocene...complex in the Alps-the Gruppo di Voltri massif * Liguria is divided into eastern ant western portions by |  | Barkov, Andrei Y., Fleet, Michael E., Martin, Robert F., Men'shikov, Yuri P. (2006) Sr-Na-REE titanates of the crichtonite group from a fenitized megaxenolith, Khibina alkaline complex, Kola Peninsula, Russia: first occurrence and implications. European Journal of Mineralogy, 18 (4) 493-502 doi:10.1127/0935-1221/2006/0018-0493 | Journal (article/letter/editorial) | | (Pb,Sr)(Y,Mn)Fe2(Ti,Fe)18O38, from Stura Valley, Italy (Orlandi et al., 2004). Interestingly, a new structural...(K), diopside (Ca, Mg and Si), spessartine (Mn), chromite (Cr), pure V (V), NiO (Ni), SrTiO3 (Sr), MAC standards...Barkov et al., 1996), and from the Bracco ophiolitic complex, Italy (Cabella & Gazzotti, 1997). Discussion...2003), and gramaccioliite-(Y) from Stura Valley, Italy (Orlandi et al., 2004). The Khibina titanates are...occurrences of Cr-rich phases are few in this complex: chromite in xenoliths of mafic-ultramafic rocks and picritic |  | | Journal (article/letter/editorial) | | entry of Cr into liquids (future source for the chromite deposits) during remelting of a depleted lherzolitic...higher by low-pressure precipitation together with chromite (Goss Pile, Reunion). The Na content must be controlled...enrichment of clinopyroxene side by side with chromite crystal have been observed in Reunion xenoliths)...emplacement alpine lherzolite massif at Balmuccia, Italy, J. Petrol. 20 (1979) 795-820. The amphibole peridotite-metagabbro...peridotite-metagabbro 29 R.G. Cawthorn, complex, Finero, Northern Italy, J. Geol. 83 (1975) 437-454. 30 L. Beccaluva, G |  | | Journal (article/letter/editorial) | | systematic in some Ligurian ophiolitic peridotites, Italy Ambre Luguet a,*, Jean-Pierre Lorand b, Olivier...Internal (IL) and External Liguride (EL) ophiolites (Italy). The two EL lherzolites are fertile (2 â 4% partial...lherzolites collected in the Ligurian ophiolites (Italy). These ophiolites are now interpreted as an oceanic/continental...Ligurian ophiolites are located in Northern Apennines (Italy, see Fig. 1 of Rampone and Piccardo, 2000) and are...Bocco Sample LI Xa LI 48a LI 129a LI 52a Bracco â Monte di San Agata LI 27-2b LI 27-5b LI 87b |  | | Journal (article/letter/editorial) | | 16132 Genova, Italy âDipartimento di Scienze della Terra, Via Botticelli 23, 20133 Milano, Italy 3Dipartimento...Science della Terra, Via Ferrata 1, 27100 Pavia, Italy 4C.N.R Centro di Studi per la Cristallogrtia e la...la Cristallochimica, Via Ferrata 1, Pavia, Italy (Received November 13, 1996; accepted in revised form...from the Internal Ligurides (Northern Apennine, Italy) and Mt. Maggiore (Corsica), and (2) olivine cumulates...Scienze della Terra, Via Botticelli 23, Milano, Italy. +Author to whom correspondence should be addressed |  | | Journal (article/letter/editorial) | | Magnesian Metagabbros, Gruppo di Voltri, Western Liguria, Italy* B. Messiga 1, G.B. Piccardo 2, and W.G. Ernst...Petrografia, Universitfi di Genova, 16132 Genova, Italy 2 Istituto di Mineralogia, Petrografia e Geochimica...Geochimica, Universitfi di Firenze, 50121 Firenze, Italy 3 Department of Earth and Space Sciences, Institute...pods occur in the Beigua serpentinite of Western Liguria, where they are associated with more voluminous...serpentinite and in adjacent parts of Western Liguria. The early stage of rodingitization and serpentinization |  | | Journal (article/letter/editorial) | | high-Al ones are intensely replaced by ferrian chromite along their cracks 219 and grain boundaries...subhedral chrome-spinels, commonly rimmed by ferrian chromite or 233 magnetite overgrowths, occur as isolated...have been completely replaced by ferrian 239 chromite and chrome-magnetite. 240 Serpentinized dunite...diopside, enstatite trapped in unaltered 351 chromite grains are homogeneous in composition (Fig. 11aâb)...Fs8â10 372 Wo1â3; Supplementary Table 1d) and chromite-hosted inclusions (En92â95 Fs4â8 Wo0â3; 373 |  | | Journal (article/letter/editorial) | | UniversitĂ di Milano, Via Botticelli 23, 21133 Milano, Italy Department of Earth and Environmental Sciences,...UniversitĂ di Genova, C.so Europa 26, 16132 Genova, Italy a r t i c l e i n f o Article history: Received...minerals, with magnetite, ilmenite and Fe-rich chromite as E. CannaĂČ et al. / Earth and Planetary Science...orthopyroxene and chlorite, with magnetite, ilmenite and chromite as accessory minerals. In almost all samples,...Earth Science Department, University of Milan (Italy), using a Thermo Fischer Organic Elemental Analyzer |  | | Report (chapter) | | Universitd di Udine, Via Cotonificio 114, 1-33100 Udine, Italy (e-mail: spadea@uniud.it) 2 C N R - I s t i t u...Sezione di Pavia, Via Ferrata 1, 1-2 7100 Pavia, Italy 3Dipartimento di Scienze della Terra, Universit~...Universit~ di Pavia, Via Ferrata 1, 1-27100 Pavia, Italy Abstract: Ophiolites of the southern Uralides arc-continent...(Pertsev et al. 1997) followed by dunite with chromite interlayers (2-3 mm), and wehrlite and chromitite...prisms of colourless amphibole are found around chromite grains. The coarse-grained lherzolites from the |  | | Journal (article/letter/editorial) | | observed with other minor phases including ilmenite, chromite, rutile, fluorapatite, merrillite, monazite, FeNi...ilmenite, âCr-ZrCa armalcolite,â and rutile), chromite, phosphate minerals, FeNi metal, and Fe-sulfide...MnO CaO Total EPMA compositions of ilmenite, chromite, and armalcolite in Clast-20 Ilmenite 0.10 55...55.6 bdl 0.22 0.79 10.9 31.2 0.36 0.59 99.76 Chromite 0.06 0.41 0.56 1.19 bdl bdl 25.8 17.6 42.7 48.8...bdl: below detection limit. Cations in ilmenite, chromite, and armalcolite are calculated based on 3, 4 |  | | Journal (article/letter/editorial) | | as inclusions in anhydrous phases (garnets and chromite) from ophiolitic sequences, where Na phlogopite...chromian spinel from the Bracco ophiolitic unit, northern Apennines, Italy. The Canadian Mineralogist...giant chromite deposits of Kempirsai, Kazakhstan: a study of solid and fluid inclusions in chromite. Journal...Inclusions of phlogopite and phlogopite hydrates in chromite from the Hongguleleng ophiolite in Xinjiang, northwest |
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