Metagabbro from the Guil Valley, Queyras, Briançon, Hautes-Alpes, France.

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Sophie Graul
Tallinn University of Technology, Tallinn, Estonia and France

Metagabbro from the Guil Valley, Queyras, Briançon, Hautes-Alpes, France.
Association of plagioclase (white with greenish hues), pyroxene, chlorite, actinote and glaucophane.

Some oxides have been observed (mainly magnetite on XRD.
During the retrograde path, chlorite and green amphibole formed due to the breakdown of previously stable minerals.

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