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Fig. 3 | Swiss Journal of Geosciences

Fig. 3

From: Dating the initiation of Piemonte-Liguria Ocean subduction: Lu–Hf garnet chronometry of eclogites from the Theodul Glacier Unit (Zermatt-Saas zone, Switzerland)

Fig. 3

Photomicrographs of eclogite samples SW9 and SW14. a, b High-pressure paragenese of garnet and omphacite replaced by chlorite, biotite, calcic amphibole, and plagioclase veins, c omphacite replaced by fine-grained amphibole-plagioclase symplectite structures, d calcic amphibole pseudomorphically replacing clinopyroxene under crossed polarized light, e glaucophane associated with calcic amphibole and f randomly orientated paragonite. Grt garnet, Omp omphacite, Gln glaucophane, Bt biotite, Chl chlorite, Cam calcic amphibole, Pg paragonite

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