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Figure F15. Dike/dike contact (Sample 335-1256D-Run12-RCJB-Rock S). A. Close-up photograph showing a sharp, planar contact between a light-colored, fine-grained domain (right) and a darker, coarser grained domain (left), interpreted as a dike/dike contact. B. Photomicrograph of the contact in plane-polarized light (red dashed line; Thin Section 26). The coarse domain is crosscut by a metamorphic orthopyroxene (Opx) vein.

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