Figure F239. Medium-grained gabbro dike Unit 1256D-90b hosted by fine-grained basalt of Unit 1256D-90 (Thin Section 99; Sample 312-1256D-227R-1, 12–14 cm) (field of view = 30.0 mm; plane-polarized light). Note the apparent original intergranular igneous texture of Unit 1256D-90.
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