 | | Journal (article/letter/editorial) | | Dr. Du Riche Preller—Ophiolithic Rocks, E. Liguria. 489 I I . — T H E OPHIOLITHIC GROUPS OF THE LIGUEIAN...and Monte Penna, about midway between Spezia and Genoa, viz. north of Levanto, Sestri Levante, and Chiavari...ophiolithic group of Sestri Ponente and Isoverde, west of Genoa, they lie in the upper horizon of that formation... 490 Dr. Du Riche Preller—Ophiolithic Rocks, E. Liguria. euphodite alternating with argillaceous schist...steatitic, is often spheroidal, and, when it contains enstatite, diopside, bronzite, and notably diallage, is |  | Baumgartner, R. J., Zaccarini, F., Garuti, G., Thalhammer, O. A. R. (2013) Mineralogical and geochemical investigation of layered chromitites from the Bracco–Gabbro 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 Bracco–Gabbro complex, Ligurian ophiolite, Italy R. J. Baumgartner • F. Zaccarini...Springer-Verlag Berlin Heidelberg 2012 Abstract The Bracco–Gabbro Complex (Internal Liguride ophiolite), that...PGE distribution in the Bracco chromitites. Keywords Ligurian ophiolite Bracco–Gabbro complex Layered...potentially economic chromite deposit in Italy was discovered in the Bracco–Gabbro Complex (Ligurian ophiolites)...of which, however, proved to be subeconomic. The Bracco chromitites are unusual compared with chromitites |  | | Journal (article/letter/editorial) | | sequences, exposed in the Bracco–Levanto ophiolite (northern Apennine, Italy) and in the Balagne ophiolite...continent-near paleogeographic domain of the Jurassic Liguria–Piedmont basin. Trace elements and Nd isotopic...enriched in LREE, Nb, and Ta with respect to the Bracco–Levanto counterparts. These variations are paralleled...rN/YN (0.9–0.6 vs. 0.4–0.3) than that from the Bracco–Levanto basalts. The basalts from the two ophiolites...5 and − 5.2, respectively). We propose that the Bracco–Levanto and the Balagne basalts formed by partial |  | | Journal (article/letter/editorial) | | lsotopica, CNR, Via C. Maffi, 36. 1-56100 Pisa, Italy L, Dipartimento di Scienze della Terra, Unicersith...Unicersith di Genoca, Corso Europa 26, 1-16132 Genova, Italy Received 5 September 1995: accepted 14 February...plagiogranites from the Northern Apennines were taken in the Bracco unit. All these units have been affected by Alpine...samples, and prehnite-pumpellyite facies in the Bracco Unit, which has additionally been affected by rodingitization... @ sample location Ligurian- Piemonteseunits Bracco Unit Main ophio|iticbodies of the Ligurian- Piemonteseunits |  | | 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) | | 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...(Monte Aiona, eastern Liguria) peridotite contains olivine, clinopyroxenes and enstatite as major primary...by BEZZl and PICCARDO(1970) from the Bracco area (eastern Liguria). The cumulus minerals are olivine and...altered to chlorites or amphiboles. Near Bracco Pass (eastern Liguria) the gabbro shows mineral graded layers |  | | 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 |  | | 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 – 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 – Monte di San Agata LI 27-2b LI 27-5b LI 87b |  | | Journal (article/letter/editorial) | | reactions: enstatite+diopside-t-spinel=anorthite+olivine+ chromite orthopyroxene ss=enstatite ss+spinel+plagioclase...assemblage 3 by the followingtype of reaction: enstatite-l-diopside-I-anorthite+olivine + HsO-amphibole...implies that part of the Ronda (Dickey 1970) and Liguria (Bezz{ & A1 was substituted in p'yroxene as AI2SiOs...the Ligurian ophiolites (Mattarana Quarry, Bracco Massif, Italy). M,~s. Cir. St. Nat. Genova Annali 128...149-156. Gl~een, D. H. 1%3: Alumina content of enstatite in a Venezuelan h i g h ~ ~ a t u r e Am. Bull |  | | Journal (article/letter/editorial) | | (1.5-2% A1203). Diopside is associated with an enstatite (En92.1 93.4) poor in alumina (1.7-2% A1203)....massif, the chromitite pods have a Cr-diopside-enstatite gangue. From crystallization experiments carried...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 |  | | Book | | Zones in an Ophiolite Complex (Bracco Massif, Northern Apennines, Italy) Giancarlo Molli 147 A Detailed...S., 1966. Anorthite-forsterite and anorthite-enstatite reactions and their bearing on the basalt-eclogite...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...contact zone (sampie 83DS-M25) showing deformed enstatite crystal, partly replaced by small recrystallized |  | Boillot, G., Grimaud, S., Mauffret, A., Mougenot, D., Kornprobst, J., Mergoil-Daniel, J., Torrent, G. (1980) Ocean-continent boundary off the Iberian margin: A serpentinite diapir west of the Galicia Bank. Earth and Planetary Science Letters, 48 (1) 23-34 doi:10.1016/0012-821x(80)90166-1 | Journal (article/letter/editorial) | | very thin) and have typical Al-diopside and Al-enstatite compositions as observed in most mantle-derived...assemblages; squares: Lanzo [ 3 8 ] ; triangles: Bracco [42] ; circles: Ronda [53,54]. Peridotites at Ronda...replacing olivine crystals but also replacing enstatite and less commonly diopside. The X-ray diffraction...(tectonites) closely associated to ophiolites (Bracco, Ligurian area, Lanzo: field B); oblic crosses:...L'association ultramafiqde-mafique de la r~gion du Bracco (Apennin Ligure, ltalie), Th6se 36 cycle, Paris |  | | Journal (article/letter/editorial) | | and high-grade metamorphism contain forsterite-enstatite-spinel assemblages (Frost, 1975; Irving and Ashley...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 |  | | Book (volume) | | ITALIAN MOUNTAIN GEOLOGY ’ PARTS NORTHERN 1 AND [ITALY II AND TUSCANY BY C. S. DU RICHE PRELLER, M...el ITALIAN MOUNTAIN PaRts NORTHERN I anp ITALY GEOLOGY. II. AND TUSCANY. OTHER GEOLOGICAL...(The Moraine Walls and Lake Basins of Northern Italy. The Piedmontese Alps, Ligurian Apennines, Carrara...idem. The Ancient Sea and Lake Basins of Central Italy : idem. Italian Mountain Geology, Part II]. Wheldon...NORTHERN PART I. THE ‘PART II. THE Sslk) AND ITALY GEOLOGY. oll AND TUSCANY. PIEDMONTESE ALPS |  | | Journal (article/letter/editorial) | | mineral inclusions including Na-phlogopite, 15 enstatite, diopside, pargasite, olivine, rutile, ilmenite...silicate inclusions 62 composed of olivine, enstatite, diopside, pargasite, edenite, and aspidolite...anhydrous 258 minerals such as olivine, diopside, enstatite, and occasionally sulphides, and these 259 inclusions...completely embedded within 263 chrome-spinels. Enstatite inclusions are subhedral and polygonal in shape...characterized by the Na- 270 phlogopite coexisting with enstatite, rutile, ilmenite, and occasionally zircon (Fig |  | 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) | | 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...respectively), which locally include 10 cm-sized enstatite crystals. Such layering is c o m m o n a m o n...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) |  | 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 |  | | 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...(Bonatti & Michael 1989)). Orthopyroxenes have enstatite composition with moderately variable A1 content...(e.g. Lanzo peridotites, Bodinier et al. 1991; Bracco peridotites, Rampone et al. 1997). An extremely |  | 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: |  | | Journal (issue) | | praticamente ovunque Talco, clinocloro, paragonite, enstatite e saffirina. Altre specie segnalate Cianite: più...delle rodingiti alpine in Val di Gava e Faiallo (Liguria), in Val Malenco e al Braone (Lombardia), in Val...Osservatorio di Pino Torinese 12/02/2009 Manganese di Bracco 26/02/2009 Gemmologia di Bussi 7-8/03/2009 |  | | Journal (article/letter/editorial) | | Piazza di Porta S. Donato 1, I-40127 Bologna, Italy Received 25 August 1998; accepted 17 February 1999...consisting mainly of sub- 31 parallel, or radiating, enstatite aggregates. Brown spinifex-like olivine contains...residual olivine. Pseudo-spinifex olivine and enstatite seem to have grown from these chlorine-bearing...Žcross-polarized light., isolated by thinner needle-like enstatite aggregates ŽEn. partially transformed into talc...high-pressure ŽHP. eo-Alpine phase paragenetic with enstatite. Orthopyroxene in these rocks has the same chemical |  | | Book (edition) | | the La Fossa crater, Vulcano Is., Lipari Islands, Italy. Anthropogenic on burning coal dumps of the Anna...the La Fossa crater, Vulcano Is., Lipari Islands, Italy. < 3. D(calc.) = 3.81. Ne,o = 1.710, 1.777, (+)...the La Fossa crater, Vulcano Is., Lipari Islands, Italy. AM 95, 382-385, 2010. Akaogiite TiO2 (4.D), an...Cavalluccio, Sacrofano caldera, Roma prov., Lazio, Italy. zRMO 136, I, 82-89, 2007. DAN 415, 242-246, 2006...pink granite at Baveno, Novara prov., Piedmont Italy. AM 94, 487493, 2009. Aluminococ1uimbite AIFe 3 |  | | 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...and Southern Harghita. a Inset of wollastonite–enstatite–ferrosilite classification diagram (boundaries...Anatolia (Aldanmaz et al. 2000) and peninsular Italy (Peccerillo 2017, and references therein). The variability...sources of potassium-rich magmas in central-southern Italy: melt inclusion evidence from Roccamonfina and Ernici |  | | Journal (article/letter/editorial) | | Nielsen (1978) have de formed polycrystalline enstatite in the Griggs apparatus. The principal mechanism...temperatures is the shear-induced ortho-enstatite to clino-enstatite transformation described previously...OF MANTLE ROCKS 1 29 deformed polycrystaUine enstatite and bronzite single crystals. The number of available...spinel lherzolite with 65-70 % olivine, 20 % enstatite, 5-10% diopside, 5 % spinel. l The same composition...202 Coe, R. S., Kirby, S. H. 1975. The ortho enstatite to clinoenstatite transformation Annu. Rev. |
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