 | | Journal (article/letter/editorial) | | serpentinites sampled in the Monviso massif (Western Alps, Italy) was combined with a transmission electron microscopy...the Erro-Tobbio eclogitic unit (Ligurian Alps, Italy), which appear to preserve prograde and retrograde...also indicated. (LS = Lago Superiore, PG = Passo Gallarino and VM = Viso Mozzo; atg: antigorite, chrys:...chrysotile, Fo: forsterite, En: enstatite, Tlc: talc, W: water) and a layer thickness of 7.2 Å characteristic...Lithological map of the Erro-Tobbio unit (Voltri Massif, Italy) (from Hermann et al., 2000). Stars refer to the |  | ANGIBOUST, S., LANGDON, R., AGARD, P., WATERS, D., CHOPIN, C. (2012) Eclogitization of the Monviso ophiolite (W. Alps) and implications on subduction dynamics. Journal of Metamorphic Geology, 30 (1) 37-61 doi:10.1111/j.1525-1314.2011.00951.x | Journal (article/letter/editorial) | | stretches along the W. Alps over 350 km, from Voltri (Italy) to Zermatt-Saas (Switzerland; 2011 Blackwell...blocks are dispersed (Fig. 2a). Other units (Passo Gallarino complex, Viso Mozzo unit, Lago Superiore metagabbros...Superiore area and 450 C ⁄ 12 kbar for the Passo Gallarino unit, with average P–T THERMOCALC estimates)...Ca–Na amphibole and chlorite (XMg = [0.8–0.9]). Talc (XMg = 0.94), associated with glaucophane, are often...Superiore area) and the metavolcanic sequence (Passo Gallarino area), (ii) as dismembered bodies, 10 to 50 |  | | Journal (article/letter/editorial) | | TORINO, VIA VALPERGA CALUSO 35, I-10125, TORINO, ITALY RECEIVED FEBRUARY 8, 2010; ACCEPTED SEPTEMBER 22...dominantly metasedimentary, units of the ocean-derived Piedmont Zone (Fig. 1a). It is one of the best preserved...Vallanta Unit; FU, Forciolline Unit; PGU, Passo Gallarino Unit; VMU, Viso Mozzo Unit; LSU, Lago Superiore...with minor blue amphibole and very minor lawsonite, talc and jadeite (Fig. 2; Fig. SM1 and SM2, Supplementary...Representative analyses of garnet, clinopyroxene, amphibole, talc, lawsonite and chlorite are given in Tables 1 and |  | | Journal (article/letter/editorial) | | high-pressure metagabbros from Monviso (Cottian Alps), Italy J. R. KIENAST Laboratoire de Petrographie, Universite...di Petrografia, Corso Europa, 26 1-16132 Genova, Italy Abstract Metamorphosed troctolite cumulates occur...massif; they have developed chloritoid, omphacite, talc and garnet during the eclogitic stage of the Eo-alpine...Fe-gabbros and Fe-diorites (Costa Ticino series, Passo Gallarino complex and Lago Superiore metagabbros). Alpine...Na-clinopyroxene (omphacite) + garnet + zoisite + talc-tNa-amphibole in Mg-rich metagabbros. At the base |  | Auzende, Anne-Line, Escartin, Javier, Walte, Nicolas P., Guillot, Stéphane, Hirth, Greg, Frost, Daniel J. (2015) Deformation mechanisms of antigorite serpentinite at subduction zone conditions determined from experimentally and naturally deformed rocks. Earth and Planetary Science Letters, 411. 229-240 doi:10.1016/j.epsl.2014.11.053 | Journal (article/letter/editorial) | | 2000; VM, PG and LG stand for Vizzo Mozzo, Passo Gallarino and Lago Superiore units described by Schwartz...collected in the Monviso ophiolite unit (Western Alps, Italy). Originally an oceanic mantle lithosphere, the...Erro Tobbio unit, in the alpine Voltri massif (Italy), which records different steps of burial during...(to accommodate Al2 O3 excess in antigorite) nor “talc-like” crystals (Perrillat et al., 2005) that could...well documented in the semibrittle deformation of talc close to dehydration conditions (Escartín et al |  | | Journal (article/letter/editorial) | | form cumulate sequence (Lago Superiore and Passo Gallarino Units; Lombardo et al., 1978 ). In the Lago...diameter) in a matrix of mainly quartz, phengite, talc and kyanite with m i n o r a m o u n t s of jadeite...inclusions, a m o n g which coesite, kyanite, phengite, talc, paragonite, chlorite, ellenber- 98 P. PHILIPPOT...composed of Mg-phosphate, magnesite, halite/sylvite, talc or Mg-chlorite, and an undetermined opaque mineral...iron-rich garnet and phengite with minor amounts of talc, apatite, rutile, pyrite and zircon. Three main |  | Angiboust, S., Agard, P., Raimbourg, H., Yamato, P., Huet, B. (2011) Subduction interface processes recorded by eclogite-facies shear zones (Monviso, W. Alps) Lithos, 127 (1) 222-238 doi:10.1016/j.lithos.2011.09.004 | Journal (article/letter/editorial) | | fragment of Tethyan oceanic lithosphere (W. Alps, Italy; Lombardo et al., 1978; Lagabrielle and Lemoine...from Colle Armoine in the north to south of Passo Gallarino in the south (Fig. 2a). This USZ is 224 ...(Fig. 5h). - chlorite and talc-bearing eclogites (LSZ-06, LSZ-23 and LSZ-58) Talc- (LSZ-06) and chlorite-bearing...intensively fractured and healed by a pyrope-rich garnet. Talc or chlorite (up to 10 vol.%) occur as elongated...been observed as inclusion within garnet cores. Talc-bearing domains are often associated with glaucophane |  | Shen, Tingting, Zhang, Cong, Chen, Jing, Hermann, Jörg, Zhang, Lifei, Padrón-Navarta, José Alberto, Chen, Li, Xu, Jun, Yang, Jingsui (2020) Changes in the cell parameters of antigorite close to its dehydration reaction at subduction zone conditions. American Mineralogist, 105 (4) 569-582 doi:10.2138/am-2020-7159 | Journal (article/letter/editorial) | | collinear with chrysotile/lizardite (m = ∞) and talc (m = 2), as a series of discrete points (Mellini...orthopyroxene, PhA = phase A, Rt = rutile, Tlc = talc. And TiCh = Ti-chondrodite, TiCl = Ti-clinohumite...et al. 2018), 9.8 wt% Ti-clinohumite (Malenco, Italy), 9 wt% brucite (synthetic), 3 wt% Ti-chondrodite...natural antigorite from Monviso massif, western Alps, Italy (Auzende et al. 2006). [G] (Ghaderi et al. 2015)...sample MG159 from Franscia, Val Malenco (Northern Italy), which was first studied by Trommsdorff and Evans |
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