Figure F36. Rare cataclastic zone in the upper pale part of the image cutting gabbroic rock in Unit II (Thin Section 121; Sample 345-U1415P-10R-1, 131–134 cm [Piece 13]; cross-polarized light). The bright band of prehnite-cemented (PrC) cataclasite contains fragments (red) of clinopyroxene (Cpx), altered olivine, and prehnite (Pr). Younger prehnite veins (PrV) crosscut the cataclastic zone. (Ol) = altered olivine, V = amphibole-clay minerals vein.
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