Figure F162. A. Mineralized volcanic breccia consisting of aphyric cryptocrystalline basalt clasts and hyaloclastic material made of light green clasts and dark green matrix (interval 309-1256D-122R-2, 0–24 cm). B. Detail of A (interval 309-1256D-122R-2, 16–24 cm). Centimetric basaltic clast with irregular rims probably due to alteration.
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