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Figure F123. A. Contact between leucocratic zone and gabbro (interval 305-U1309D-128R-3, 69–83 cm). Epidote is also present in some of these zones. B. Leucocratic alteration near gabbro showing green amphibole replacing clinopyroxene (interval 305-U1309D-128R-3, 73–76 cm) (plane-polarized light; magnification = 1×). C. Same as B; cross-polarized light. Pl = plagioclase.

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