Figure F11. Characteristic lithologic features of Subunits IA and IB, Hole C0021B. A. Subunit IA (slope basin). Core photograph showing ash layer overlying greenish gray silty clay and smear slide close-up photographs in plane-polarized and cross-polarized light. B. Subunit IB (sand-rich slope basin). Core photograph showing representative sand layer overlying silty clay and smear slide close-up photographs in plane-polarized and cross-polarized light.
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