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Swiss Journal of Geosciences
Fig. 10 | Swiss Journal of Geosciences

Fig. 10

From: Alpine peak pressure and tectono-metamorphic history of the Monte Rosa nappe: evidence from the cirque du Véraz, upper Ayas valley, Italy

Fig. 10

Petrological features of whiteschist samples 19MR-03 and 19MR-04: a field image of S2 schistosity and subsequent F2 dextral, top-N minor crenulation. b whole thin-section plane polarized light image of coarse-grained chloritoid whiteschist sample 19MR-03. c whole thin-section plane polarized light image of fine-grained whiteschist sample 19MR-04. d photomicrograph in cross-polarized light of late chlorite growth within coarse grained chloritoid fractures. e photomicrograph in cross-polarized light of typical textures observed in fine grained whiteschist samples 19MR-04. f X-ray map of Mg in sample 19MR-03, note high Mg talc and visible zoning in large chloritoid grains. g major zoning observed in BSE image for chloritoid grains, profile represented for microprobe analysis (Fig. 11d) [XMapTools Lanari et al. (2014)]

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