Figure F6. Photographs of cherts and porcellanite, Hole U1348A. A. Reddish brown chert with whitish pink porcellanite streaks and inclusions. B. Pinkish red chert with whitish pink porcellanite streaks bisected by a prominent siliceous vein. C, D. Black dendritic mineral growths (C) within red chert and (D) along a siliceous vein. E. Circular porcellanite radiolarian "ghosts" adjacent to a large pale porcellanite patch (replaced burrow?).
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