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Figure F25. Scanned core photographs of aphyric basalt from Unit XI showing contacts between basalt fragments and hyaloclastite matrix. A. Broken surface of basalt fragment (interval 330-U1372A-17R-1A, 98–106 cm). B. Possible pillow margin (interval 330-U1372A-17R-2A, 1–12 cm). The matrix was very rarely recovered in this unit.

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