Figure F60. Microstructures of sandstone cuttings under XPL. A. Semiconsolidated sandstone with loosely packed sand grains surrounded by clay minerals (Sample 338-C0002F-110-SMW, >4 mm; 1325.5 mbsf). B. Graded bedding of sand- to silt-sized clasts and laminations (Sample 338-C0002F-193-SMW, >4 mm; 1645.5 mbsf). C. Closely packed consolidated sandstone (Sample 338-C0002F-217-SMW, >4 mm; 1755.5 mbsf). D. Enlargement of C (box). Cavities are filled with quartz cement.
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