 | KIENAST, J. R., LOMBARDO, B., BIINO, C., PINARDON, J. L. (1991) Petrology of very-high-pressure eclogitic rocks from the Brossasco-Isasca Complex, Dora-Maira Massif, Italian Western Alps. Journal of Metamorphic Geology, 9 (1) 19-34 doi:10.1111/j.1525-1314.1991.tb00502.x | Journal (article/letter/editorial) | | Terra, Via Valperga Caluso 37, 1-70725 Torino, Italy Mineralogisch-Petrographisches Institut, Universitat...Isasca and Martiniana (Italian Western Alps) and for a sodic whiteschist associated with the pyrope-coesite...pyrope-coesite whiteschists of Martiniana. The Brossasco-Isasca (BI) eclogites are fine grained, foliated and often... % for each of the pyrope and grossular components in the eclogites and a pyrope-rich variety in the...can be deduced from the stability of the jadeite-pyrope garnet-glaucophane compatibility. As in the eclogites |  | | Journal (issue) | | altissima pressione dell'unità BROSSASCO-ISASCA (CUNEO) Ambrino P. - Brizio P. L a storia mineralogica...montagne poste fra le basse valli Po e Varaita in provincia di Cuneo comincia nel 1952 quando Peter Bearth...massiccio Dora-Maira, il ritrovamento, presso Martiniana Po, di rocce a quarzo e mica chiara contenenti...natura contenendo solo dal 2 al 1O% di almandino a Case Ramello in grosse masse sino a 25cm di diametro...abbondantemente nell'affioramento di Case Parigi o meglio Case Ramello, di norma in masse allotriomorfe |  | | Journal (article/letter/editorial) | | of Torino, 35 Via Valperga Caluso, 10125 Torino, Italy b Department of Geology and Mineralogy, Graduate...kyanite, chlorite and paragonite, and of a pinkish pyrope rim with sporadic inclusions of kyanite, and magnesian...composition is identical to that of the common pyrope in the whiteschist. At the core–rim boundary, there...reserved. Keywords: Ultra high-pressure metamorphism; Pyrope; Superzoned garnet; Origin of whiteschist; Dora-Maira...magnesian minerals such as chlorite, talc andror pyrope Žor their retrogression products. are the common |  | | Journal (article/letter/editorial) | | metamorphism in the Dora Maira Massif (western AIp$, Italy), using an ultra-violet laser ablation microprobe...older than the true closure age. In the present case, some ages in the range 60-110 Ma could be explained...in the range 380-304 Ma obtained on gneisses at Parigi, a few kilometers to the north (Tilton et al. 1991)...high temperature HP eclogitic unit composed of: 2 Parigi fine grain and augen gneisses with coesitepyrope...compositions of garnets are as follows: Al almandine, py pyrope, Sp spessartine, Gr grossular. The Fe2+/Fe 3§ for |  | Campomenosi, Nicola, Rubatto, Daniela, Hermann, Joerg, Mihailova, Boriana, Scambelluri, Marco, Alvaro, Matteo (2020) Establishing a protocol for the selection of zircon inclusions in garnet for Raman thermobarometry. American Mineralogist, 105 (7). 992-1001 doi:10.2138/am-2020-7246 | Journal (article/letter/editorial) | | University of Genoa, Corso Europa 26, 16132 Genoa, Italy 2 Institute of Geological Sciences, University of...University of Pavia, Via A. Ferrata, 1 27100 Pavia, Italy Abstract The structural and chemical properties...megablasts from the Dora Maira Massif (Western Alps, Italy) were characterized in detail using charge contrast...suite from the Dora Maira UHP unit (Western Alps, Italy), where garnet megablasts host abundant zircon inclusions...Vallone Gilba and Vallone Martiniana close to the Case Fapina and Case Parigi localities, respectively |  | | Journal (article/letter/editorial) | | Torino, Via Valperga Caluso 35, I-10125 Torino, Italy (simona.ferrando@unito.it) 2 Department of Earth...University of Siena, Via Laterina 8, I-53100 Siena, Italy 3 Department of Earth Sciences, University of Perugia...Università 1, I-06100 Perugia, Italy ABSTRACT The ultrahigh-pressure pyrope whiteschists from the Brossasco-Isasca...data, correlated with different generations of pyrope-rich garnet (from medium, to very-coarse-grained...respect to the metagranite. Three generations of pyrope, with different composition and mineral inclusions |  | | Journal (article/letter/editorial) | | in the BrossascoIsasca unit of the Western Alps, Italy. This unit is composed of a basement that underwent...whiteschists (Schreyer 1973) are also referred to as pyrope quartzite (Chopin and Monié 1984) and form lenses...lenses and layers of talc–phengite–kyanite–pyrope–quartz–coesite schists within a metagranite. The whiteschists...predicted by Stacey and Kramers (1975) model, but in the case of monazite with high f206 the common Pb composition...whiteschists and pyrope quartzite from the whiteschist lens that outcrop at the Case Parigi locality (Chopin |  | Sousa, J., Kohn, M. J., Schmitz, M. D., Northrup, C. J., Spear, F. S. (2013) Strontium isotope zoning in garnet: implications for metamorphic matrix equilibration, geochronology and phase equilibrium modelling. Journal of Metamorphic Geology, 31 (4) 437-452 doi:10.1111/jmg.12028 | Journal (article/letter/editorial) | | Ma), southern Chile (c. 75 Ma) and northwestern Italy (c. 35 Ma). Both normal Sr isotope zoning (increasing...diffusion along grain boundaries is slow. In this case, preferential uptake of Sm by the garnet will reduce...detrital apatite data from the Himalaya as an extreme case, Nd isotope values of detrital grains might vary...(Dragovic et al., 2012; Fig. 6b). In the former case (Fig. 6a), a whole-rock composition would combine...from the garnet–whole-rock isochron. In the latter case (Fig. 6b), a whole-rock composition would combine |  | | Journal (article/letter/editorial) | | classical pyrope-coesite bearing whiteschist outcrop (locality Case Parigi close to Martignana Po) of the...crystals were not close to the analyzed surface. In any case, Ti was monitored in order to discard surface analyses...literature Al 2p value of gibbsite (but also in this case, Al is in a gibbsite like sheet). After Ar+ sputtering...few full experiments on muscovite (n=4). In one case, K is clearly on the surface of muscovite (cv0±cv01...Sci 90:155±164 Chopin C (1984) Coesite and pure pyrope in high-grade blueschists of the Western Alps; |  | | Book (edition) | | Republic). W.D. Birch (Australia), Elena Bonaccorsi (Italy), Ernst A.J. Burke (Netherlands), L.J. Cabri (Canada)...M. Dcliens (Belgium). Giancarlo Delia Ventura (Italy), T.S. Ercit (Canada). Alexander Falster (USA)....(Canada). L.A. Groat (Canada). Alessandro Guastoni (Italy), William A. Henderson. Jr. (USA). D.D. Hogarth...(ltaly). Igor Pekov (Russia), atale Perchiazzi (Italy). Ole V. Petersen (Denmark). Fedcrico Pezzotta (ltaly)...2nd ed. Doklady k sobraniyu Mezhdunarodnoy komissii po izucheniyuglin Dizhi Pinglun Doklady Rossiiskoi Akademii |
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Case Parigi, Martiniana Po, Cuneo Province, Piedmont, Italy