1991
DOI: 10.1007/bf00307322
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The pyrope-coesite rocks and their country rocks at Parigi, Dora Maira Massif, Western Alps: detailed petrography, mineral chemistry and PT-path

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Cited by 272 publications
(127 citation statements)
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“…Chopin, 1984;Chopin et al, 1991;Schertl et al, 1991). These assemblages include talc + kyanite + pyrope + coesite, talc + phengite (Si > 3.5) + kyanite + coesite, and talc + jadeite.…”
Section: Discussionmentioning
confidence: 99%
“…Chopin, 1984;Chopin et al, 1991;Schertl et al, 1991). These assemblages include talc + kyanite + pyrope + coesite, talc + phengite (Si > 3.5) + kyanite + coesite, and talc + jadeite.…”
Section: Discussionmentioning
confidence: 99%
“…The Ti0 2 content ranges between <0.1 and 0.4wt.% (Table 2). Schertl et al (1991) and Harley & Buick (1992) describe garnets with similar high Ti0 2 contents in eclogite facies metasediments belonging to the Dora Maira massif (Western Alps) and in granulite facies calc-silicates in the Rauer Group (Antarctica), respectively. No systematic zoning was observed in the porphyroblastic garnets, but Ca A younger generation of garnets forms coronas between alteration products (zoisite or quartz and calcite) of the older, porphyroblastic garnet (Fig.…”
Section: Petrography and Mineral Chemistry Of Calc-silicate Lensesmentioning
confidence: 99%
“…Pseudotachylyte veins formed in the chloritoid-talc-kyanitepyrope-coesite gneiss-mylonite unit of Val Gilba (Unit I in Figure 1c) [Zechmeister et al, 2007]. The host rock assemblages indicate peak pressures of 3.0 to 3.4 GPa [Schertl et al, 1991;Sharp et al, 1993] and even up to 4.2 GPa [Chopin and Schertl, 1999]. The age of metamorphism is estimated at about 35.4 AE 1.0 Ma on the basis of U-Pb SHRIMP determinations on metamorphic zircons [Gebauer et al, 1997], with peak temperatures around 800°C.…”
Section: Geology Of the Sampling Localitiesmentioning
confidence: 99%