Figure F13. Photomicrographs of leucocratic Sample 335-1256D-236R-1, 0–4 cm (Thin Section 4), illustrating the occurrence of (A, B) epidote poikiloblasts and granular plagioclase and (C, D) a relict plagioclase microphenocryst. A and C are plane-polarized light; B and D are cross-polarized light.
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