Figure F46. A, B. Photomicrographs of olivine phenocrysts altered to saponite, calcite, and first order birefringence serpentine along the fractures of the grain, Hole U1349A (Thin Section 253; Sample 324-U1349A-15R-3, 115–118 cm). A is under plane-polarized light; B is under cross-polarized light.
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