 | 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...Dora-Maira Massif between Brossasco, Isasca and Martiniana (Italian Western Alps) and for a sodic whiteschist...whiteschist associated with the pyrope-coesite whiteschists of Martiniana. The Brossasco-Isasca (BI) eclogites...the sodic whiteschist. Quartz pseudomorphs of coesite were found occasionally in a few pyroxenes and...the early Alpine recrystallization of the pyrope-coesite rock and, like petrographical and mineralogical |  | | 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...descrive la presenza di coesite inclusa nei piropi del Vialon: la coesistenza di coesite e piropo puri costringeva...trattamento aveva portato alla formazione non solo della coesite ma anche di altri minerali, trovati in tempi successivi |  | | Journal (article/letter/editorial) | | elsevier.comrlocaterlithos Superzoned garnets in the coesite-bearing Brossasco-Isasca Unit, Dora-Maira massif...of Torino, 35 Via Valperga Caluso, 10125 Torino, Italy b Department of Geology and Mineralogy, Graduate...superzoned garnets ŽSZGs. were discovered in two coesite-bearing whiteschists of the BrossascoIsasca Unit...garnets, discovered in two whiteschist layers of the coesite-bearing UHP unit of southern Dora-Maira massif...inclusion-rich red- Fig. 1. Geologic map of the central coesite-bearing Brossasco-Isasca unit and adjoining units |  | 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...ultrahigh pressure (UHP) metamorphic minerals such as coesite and diamond (Parkinson and Katayama 1999; Ye et...suite from the Dora Maira UHP unit (Western Alps, Italy), where garnet megablasts host abundant zircon inclusions |  | | 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...rates of the processes involved. The discovery of coesite-bearing ultra-high pressure rocks in the western...in the range 380-304 Ma obtained on gneisses at Parigi, a few kilometers to the north (Tilton et al. 1991)...monocrystalline Qz grains, thought to be pseudomorphs after coesite (Biino and Compagnoni 1992). Large igneous Kfds |  | | 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...Perugia, P.zza Università 1, I-06100 Perugia, Italy ABSTRACT The ultrahigh-pressure pyrope whiteschists...– i.e. talc-phengite-kyanite-pyrope-quartz( ⁄ coesite) rocks characterized by an extremely high Mg ⁄...scientific community because of the first record of coesite in crustal litho 2009 Blackwell Publishing Ltd |  | | Journal (article/letter/editorial) | | whiteschist when talc + kyanite react to garnet + coesite + fluid. A second metamorphic overgrowth on zircon...in the BrossascoIsasca unit of the Western Alps, Italy. This unit is composed of a basement that underwent...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...from the whiteschist lens that outcrop at the Case Parigi locality (Chopin 1984; Schertl and Schreyer 2008) |  | 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 Brossasco...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...discharge. Appl Surf Sci 90:155±164 Chopin C (1984) Coesite and pure pyrope in high-grade blueschists of the |  | | 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