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Fig. 22 | Progress in Earth and Planetary Science

Fig. 22

From: The Atlantis Bank Gabbro Massif, Southwest Indian Ridge

Fig. 22

Dive 650 gabbros: a Equigranular olivine gabbro with intergranular olivine weathered to bright orange clay on margins. b Olivine gabbro variably deformed from protomylonite to ultramylonite. c Amphibolite gneiss crosscut by zoisite (brown), actinolite/chlorite (pale green), prehnite (pink), and quartz veins. d Silicified gabbro cataclasite with hydrothermally altered pyroxene fragments, comminutated plagioclase, and milky quartz. Foliation defined by deformed mineral schlieren. Black bars = 1 cm

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