Figure F26. Orthopyroxene (Opx) in olivine gabbro, with a abundant clinopyroxene exsolution lamellae, replaced by pale green/brown amphibole (Am) and talc (Tc) at the rim and along microcracks (Thin Section 116; Sample 345-U1415P-8R-1, 80–83 cm). The amphibole has apparently low interference colors and may be mixed with chlorite (Chl) or clay. Pl = plagioclase. A. Plane-polarized light. B. Under crossed polars.
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