Figure F161. Hyaloclastic breccias characterized by different proportions of clasts vs. matrix. A. Green-bluish breccia with relatively fewer basalt clasts and matrix volume and more glassy clasts (interval 309-1256D-122R-1, 29–51 cm). B. Breccia with relatively higher volume of matrix and more basaltic clasts (interval 309-1256D-122R-1, 105–125 cm).
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