Figure F31. Photomicrographs of (A) a pyrite vein (Thin Section 267; Sample 324-U1350A-8R-1, 54–58 cm), (B) a cross-fiber calcite vein cutting a vein containing botryoidal calcite cemented by saponite, and (C) multiple generations of calcite and saponite veins, Hole U1350A (Thin Section 307; Sample 324-U1350A-22R-5, 81–87 cm). A is under reflected light; B and C are under plane-polarized light.
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