 | | 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 |  | | 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)...before the deposition of the sedimentary cover. The Bracco Massif is the best preserved plutonic sequence...Sample locations in the Northern Apennines: 1 = Bracco massif, Mattarana quarry (RH-Ap-101, RH-Ap102, |  | | 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) | | assemblages among antigorite, diopside, tremolite, forsterite, talc, calcite, dolomite and magnesite in progressively...limestones, namely talc, tremolite, diopside, forsterite, calcite, and dolomite. In terms of chemical...from a thick ophicarbonate sheet in Val Ventina, Italy, that strikes into the Bergell tonalite (Trommsdorff...Sym- Formula bol Key to tables 1, 2, and 3: Forsterite Antigorite Talc Tremolite Diopside Calcite Dolomite...diopside, and the planar degeneracy of antigorite, forsterite, talc and H/O. In the second list, the additional |  | 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 Università 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 Università 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 ’Amb U v G m y àd P v Pavia, Italy ur na m F lP G re b Jo China University |  | Berninger, Ulf-Niklas, Jordan, Guntram, Lindner, Michael, Reul, Alexander, Schott, Jacques, Oelkers, Eric H. (2016) On the effect of aqueous Ca on magnesite growth – Insight into trace element inhibition of carbonate mineral precipitation. Geochimica et Cosmochimica Acta, 178. 195-209 doi:10.1016/j.gca.2016.01.019 | Journal (article/letter/editorial) | | Geochimica et Cosmochimica Acta 178 (2016) 195–209 Bracco et al., 2012; Nielsen et al., 2013). These studies...Xu et al., 2013; Prigiobbe and Mazzotti, 2013; Bracco et al., 2014; King et al., 2014; Gautier et al...2010; Pina and Jordan, 2010; Sethmann et al., 2010; Bracco et al., 2012; Nielsen et al., 2013). Two models...to magnesium cations. Inorg. Chem. 33, 419–427. Bracco J. N., Grantham M. C. and Stack A. G. (2012) Calcite...by strontium. Crystal Growth Des. 12, 3540–3548. Bracco J. N., Stack A. G. and Higgins S. R. (2014) Magnesite |  | 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) | | function of forsterite molar % in the olivine from Kabaena Island chromitites. forsterite molar % in the...(Figure 8A–C) are characterized by values of forsterite, NiO, MnO, and Ca similar to those reported from...enriched in Minerals 2022, 12, 516 20 of 24 forsterite compared to those occurring interstitially. This...being dominated by lherzolite, were classified as Liguria-type MORB ophiolite [4,7]. However, the composition...from the Italian Bracco complex, the only example of chromitite associated with the Liguria-type MORB ophiolite |  | | Journal (article/letter/editorial) | | among the associations of the three members: (Liguria type) alkalic basalt, plagioclase-type cumulates...distinctly different "endmember" ophiolites of Liguria and Papua will facilitate the understanding of...content, which averages, for example, 12% in the Liguria lherzolite but only 0.8% (mostly clinopyroxene-free)...intermediate between those of the lherzolite (e.g. Liguria) and the clinopyroxene-free harzburgite (e.g. Papua)...Green 1980) suggest that the lherzolite such as in Liguria suffered less than 15% melting, whereas the clinopyroxene-free |  | | Journal (article/letter/editorial) | | underwent medium- and high-grade metamorphism contain forsterite-enstatite-spinel assemblages (Frost, 1975; Irving...rodingite in basaltic rocks in serpentinites, east Liguria, Italy. Contrib Mineral Petrol 84:146-151 Brindley...metarodingites and associated rocks from the Lanzo and the Bracco ophiolitic massifs: indications on the evolution |  | Oberti, Roberta, Boiocchi, Massimo, Hawthorne, Frank C., Ciriotti, Marco E., Revheim, Olav, Bracco, Roberto (2018) Clino-suenoite, a newly approved magnesium-iron-manganese amphibole from Valmalenco, Sondrio, Italy. Mineralogical Magazine, 82 (1) 189-198 doi:10.1180/minmag.2017.081.034 | Journal (article/letter/editorial) | | magnesium-iron-manganese 4 amphibole from Valmalenco, Sondrio, Italy 5 ROBERTA OBERTI1*, MASSIMO BOIOCCHI2, FRANK C...Università di Pavia, via Bassi 21, I-27100 Pavia, Italy 3 Department of Geological Sciences, University...Italiana, via San Pietro 55, I-10073 Devesi-Cirié, Italy 5 Veddertoppen 48a, N-4640 Søgne, Norway. olav...I-17100 Savona, Italy. roberto.bracco@fastwebnet.it Pr 16 ub lis he Pavia, Italy 12 13 CNR-Istituto...31 Lower Scerscen Glacier, Valmalenco, Sondrio, Italy, where it occurs in Mn-rich quartzite 32 erratics |  | | Journal (article/letter/editorial) | | refractory trend appears with the relatively high forsterite content of olivine (89.5-91) and the Mg enrichment...intruding the oceanic floor of small oceanic rifts (Liguria, Italy; Grandjacquet and Haccard, 1977 ). During the...structurale et r61e paleog6ographique de l'Unit6 de Bracco au sein du contexte ophiolitique liguro-piemontais |  | | Journal (article/letter/editorial) | | Carpathian post‑collisional volcanism Antoine J. J. Bracco Gartner1,2 · Ioan Seghedi3 · Igor K. Nikogosian1...available to authorized users. * Antoine J. J. Bracco Gartner a.j.j.braccogartner@vu.nl 1 Faculty of...elements by electron microprobe analysis (EPMA). Forsterite-rich olivine grains containing MIs were selected...from Călimani, Southern Harghita and Perșani. Forsterite (Fo; mol%) versus CaO (a and b) and MnO content...Harghita (Malnaș) and Perșani (Racoș). a Hostolivine forsterite content (Fo in mol%) versus La/Yb in MI. Fractionation |  | Ferrando, Simona, Frezzotti, Maria Luce, Orione, Paolo, Conte, Riccardo Carlo, Compagnoni, Roberto (2010) Late-Alpine rodingitization in the Bellecombe meta-ophiolites (Aosta Valley, Italian Western Alps): evidence from mineral assemblages and serpentinization-derived H2-bearing brine. International Geology Review, 52 (10) 1220-1243 doi:10.1080/00206810903557761 | Journal (article/letter/editorial) | | Torino , Turin, Italy b Department of Earth Sciences , University of Siena , Siena, Italy Published online:...Torino, Turin, Italy; b Department of Earth Sciences, University of Siena, Siena, Italy Downloaded by...exposed in the Piemonte zone of Aosta Valley, NW Italy. Fine-grained rodingitic rocks, derived from a protolith...derived from the floor of the Mesozoic Piemonte–Liguria ocean (e.g. Dal Piaz et al. 1980). After the ocean-floor...Geological map of the Mont Avi area, east of Bellecombe, Italy. International Geology Review 1225 vesuvianite |  | | Journal (article/letter/editorial) | | gabbros from the Northern Apennine ophiolites (Italy): evidence for post-cumulus crystallization in MOR-type...UniversitaÁ di Pavia, Via Ferrata 1, I-27100 Pavia, Italy Fax: 382 505890; E-mail: tribuzio@crystal.unipv...Cristallogra®a (CSCC), Via Ferrata 1, I-27100 Pavia, Italy Editorial responsibility: T.L. Grove rocks from...Olivine from sample CB16 is unzoned and has 68 mol% forsterite component. Trace element mineral compositions...(1987) Note alla ``Carta geologica delle o®oliti del Bracco'' e ricostruzione della paleogeogra®a Giurassico±Cretacica |  | | Report (chapter) | | Universitgt di Genova, Corso Europa 26, 1-16132 Genoa, Italy Abstract: Results of a field study as well as...~ dangonnais& Monte Maggiore Valaisunits ~ Liguria-Piemonteunits ophiolites F ~ I Adriaticunits I...(Platta-Totalp-Malenco area in Eastern Switzerland and Northern Italy; after Manatschal & Nievergelt 1997 and Desmurs...plagioclase clinopyroxene, and covariations of forsterite (fo) content in olivine, anorthite (an) content...peridotites and dunites from Lanzo South (Northern Italy), showing plagioclase peridotites, cut by spinel |  | | Journal (article/letter/editorial) | | Magnesio-riebeckite from the Varenche mine (Aosta Valley, Italy): crystal-chemical characterization of a grandfathered...Pavia, Italy Centro Grandi Strumenti, Università di Pavia, via Bassi 21, I-27100 Pavia, Italy Department...Italiana, via San Pietro 55, I-10073 Devesi-Cirié, Italy [Received 2 January 2017; Accepted 6 February 2017;...7°29’17’’ E), Saint-Barthélemy, Nus, Aosta Valley (Italy), was studied to provide the complete mineral description... crystal-structure refinement, Varenche mine, Italy. Introduction THE name ‘riebeckite’ was first used |  | Xu, Man, Kovarik, Libor, Arey, Bruce W., Felmy, Andrew R., Rosso, Kevin M., Kerisit, Sebastien (2014) Kinetics and mechanisms of cadmium carbonate heteroepitaxial growth at the calcite surface. Geochimica et Cosmochimica Acta, 134. 221-233 doi:10.1016/j.gca.2013.11.036 | Journal (article/letter/editorial) | | the formation of magnesite (MgCO3) produced via forsterite (Mg2SiO4) carbonation reaction (Kwak et al.,...Larsen et al., 2010; Stack and Grantham, 2010; Bracco et al., 2012; Gebrehiwet et al., 2012). Additionally...calcite 10–14 surfaces. Chem. Geol. 225, 322– 335. Bracco J. N., Grantham M. C. and Stack A. G. (2012) Calcite... and Felmy A. R. (2010) Metal carbonation of forsterite in supercritical CO2 and H2O using solid state...(2011) The role of H2O in the carbonation of forsterite in supercritical CO2. Int. J. Greenhouse Gas |  | Mechati, Mehdi, Caby, Renaud, Hammor, Dalila, Bosch, Delphine, Bruguier, Olivier, Fernandez, Laure (2018) Reworking of intra-oceanic rocks in a deep sea basin: example from the Bou-Maiza complex (Edough massif, eastern Algeria) International Geology Review, 60 (4) 464-478 doi:10.1080/00206814.2017.1343688 | Journal (article/letter/editorial) | | siderite enriched layers. Actinolite, hedenbergite, forsterite and chlorite layers, a few millimetre to 1 cm...et al. 1994). The coexistence of calcite and forsterite in marbles related to the breakdown of dolomite...continental HP rocks in Inner Western Alps (northwest Italy): International Geology Review, v. 57, p. 581–605...Ushikubo, T., and Valley, J.W., 2011, Formation of forsterite by silicification of dolomite during contact...Ligurian accretionary complex (Northern Apennines, NW Italy): International Geology Review, v. 57, p. 540–562 |  | Proyer, A., Baziotis, I., Mposkos, E., Rhede, D. (2014) Ti- and Zr-minerals in calcite-dolomite marbles from the ultrahigh-pressure Kimi Complex, Rhodope mountains, Greece: Implications for the P-T evolution based on reaction textures, petrogenetic grids, and geothermobarometry. American Mineralogist, 99 (7) 1429-1448 doi:10.2138/am.2014.4710 | Journal (article/letter/editorial) | | geikielite and of zircon + magnesite to baddeleyite + forsterite experimentally. Fraser et al. (2004) then dated...the reaction zircon + dolomite = baddeleyite + forsterite + calcite + CO2. Marble-hosted zircons have been...Rutile has been reported as part of the assemblage forsterite + clinochlore + calcite + dolomite + spinel +...Morrison 1992), but the usual Ticarrier in a forsterite-bearing marble is humite-group mineral, 1429...not exactly mass-balanced. ing the end-members forsterite, antigorite, diopside, tremolite, U, Nb, and |  | | Journal (issue) | | nelle province di Genova, La Spezia e Savona (Liguria), nelle province di Brescia e Sondrio (Lombardia)...Val Graveglia e nella provincia di La Spezia (Liguria), in Garfagnana (Toscana) e nel Canavese, Traversella...(nel pezzo massivo). • Le olivine (della serie forsterite-fayalite) hanno formula generale (Mg,Fe)2[SiO4]:...Sergio quando si impantanarono con l’auto al monte Bracco. Tante avventure, tanti ricordi, tanti minerali...mineralogia ligure: 15 anni di ritrovamenti” di Roberto Bracco Serata. “A proposito di ORO: lo sapevi che...? |  | Ruan, Banxiao, Yu, Yingmin, Lv, Xinbiao, Feng, Jing, Wei, Wei, Wu, Chunming, Wang, Heng (2017) Occurrence and mineral chemistry of chromite and related silicates from the Hongshishan mafic-ultramafic complex, NW China with petrogenetic implications. Mineralogy and Petrology, 111 (5) 693-708 doi:10.1007/s00710-016-0480-0 | Journal (article/letter/editorial) | | ferrian rim involves reaction of ferrous chromite, forsterite and magnetite to produce ferrian chromite and...olivine have been measured in olivine gabbro. The forsterite Some spot analysis in type 1 chromite with conspicuously...The high Mg content of chlorite may come from forsterite (Fig. 3g, h and i; Grieco and Merlini 2012)....to involve reaction of ferrous chromite core, forsterite and magnetite to produce ferrian chromite rim...Al2 Si6 Al2 O20 ðOHÞ16 Ferrous chromite core Forsterite Magnetite Ferrian chromite rim Chlorite The |  | Lindner, Michael, Saldi, Giuseppe D., Stumpp, Dominik, Schott, Jacques, Jordan, Guntram (2019) On the effect of aqueous strontium on magnesite growth. Chemical Geology, 510. 1-9 doi:10.1016/j.chemgeo.2019.02.002 | Journal (article/letter/editorial) | | and microscopic techniques (Bénézeth et al. 2011; Bracco SC et al. 2014; Felmy et al. 2015; Higgins et...61, 661–662, DOI: 10.1016/S0016-7037(96)00323-7. Bracco, J.N., Stack, A.G., and Higgins, S.R. (2014) Magnesite... D.E., Bruant, R.G., and Peters, C.A. (2005) Forsterite dissolution and magnesite precipitation at conditions...3017–3027, DOI: 10.1016/j.gca.2004.12.019. Weber, J., Bracco, J.N., Poplawsky, J.D., Ievlev, A.V., More, K.L |  | | Book | | Zones in an Ophiolite Complex (Bracco Massif, Northern Apennines, Italy) Giancarlo Molli 147 A Detailed...Kushiro, I. and Yoder, H.S., 1966. Anorthite-forsterite and anorthite-enstatite reactions and their bearing...Universita di Padova, Via Giotto 1, 35137 Padova, Italy * Laboratoire de Petrologie, Universit" de Paris... 372 MCF 0697) and from a C.N.R. fellowship of Italy are gratefully aknowledged. References Agrinier...Zones in an Ophiolite Complex (Bracco Massif, N orthern Apennines, Italy) GIANCARLO MOLLI Dipartimento |  | | Journal (article/letter/editorial) | | from External Liguride units (northern Apennine, Italy): implications for the rifting processes in the...Università di Pisa, via S. Maria 53, I-56100 Pisa, Italy R. Tribuzio Dipartimento di Scienze della Terra...Università di Pavia, via Ferrata 1, I-27100 Pavia, Italy. (Fax: 0039-382-505890; E-Mail: tribuzio@crystal...Olivines from the olivine-rich rock have higher forsterite content than olivines from the gabbronorite (73...Decandia FA, Elter P (1972) La “zona” ofiolitifera del Bracco, nel settore compreso tra Levanto e la Val Graveglia |  | Mazzeo, F.C., Zanetti, A., Aulinas, M., Petrosino, P., Arienzo, I., D’Antonio, M. (2017) Evidence for an intra-oceanic affinity of the serpentinized peridotites from the Mt. Pollino ophiolites (Southern Ligurian Tethys): Insights into the peculiar tectonic evolution of the Southern Apennines. Lithos, 284. 367-380 doi:10.1016/j.lithos.2017.04.019 | Journal (article/letter/editorial) | | Federico II, Largo S. Marcellino 10, 80134 Napoli, Italy NU 2, Istituto di Geoscienze e Georisorse, CNR...O.S di Pavia, Via Ferrata 1, 27100 Pavia, MA Italy 3, Departamento de Geoquímica, Petrologia i Prospecció...Vesuviano, CE P Via Diocleziano 328, 80124 Napoli, Italy Abstract AC *, corresponding author: fabiocarminemazzeo@libero...from the Mt. Pollino area (Basilicata, Southern Italy) allowed to provide the first comprehensive reconstruction...area at the Calabria-Basilicata boundary (Southern Italy) is presented here. Our results will contribute: |
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