Figure F292. Vein crosscutting relationships in basalts from the lower dike screen (Thin Section 98; Sample 312-1256D-225R-1, 9–12 cm; 1458.99 mbsf) (plane-polarized light; field of view = 2.25 mm). A. Early actinolite-rich vein (vertical) crosscut by two later chlorite veins (horizontal). B. Early actinolite vein truncated by a late quartz vein that exploited an earlier chlorite vein.
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