Figure F22. Boundary between gabbro and olivine (Ol) gabbro (red dashed lines) (Thin Section 54; Sample 345-U1415J-8R-3, 31–41 cm [Piece 6]). Boundary type = grain size and modal; boundary definition = sutured. A. Core close-up. B. Plane-polarized light. Cpx = clinopyroxene, Pl = plagioclase. C. Under crossed polars.
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