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Figure F76. Shear veins with chlorite mineralization and slickenlines observed in interval 335-1256D-236R-1, 34–62 cm (Pieces 6–9). (A) Photographs and (B) sketches of adjacent pieces containing similar veins, illustrating the possible relationship of these features. Pieces 8 and 9 are unoriented, so the inferred vein relationship between pieces is tentative. C. Diagram of orientation of shear veins in Piece 8 in the core reference frame. D. Reflected light photomicrograph of chlorite slickenlines (arrow) along vein surface.

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