Fig. 5 | Swiss Journal of Geosciences

Fig. 5

From: Eclogitic metagabbro from the Lanzada Window, eastern Central Alps: confirmation of subduction beneath the Malenco Unit

Fig. 5

Amphibole compositions shown on the 100Na/(Na + Ca) vs. 100Al/(Al + Si) plot of Laird and Albee (1981), in comparison with retrograde hornblendes of the Braccia Gabbro in the Malenco unit (Müntener et al. 2000), hornblendes of the Margna nappe (Benning and Sidler 1992), and hornblendes and barroisites of the Zermatt-Saas zone (Ernst and Dal Piaz 1978)

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