Figure F21. Boundary between olivine (Ol) gabbro and olivine-bearing gabbro (red dashed lines) (Thin Section 52; Sample 345-U1415J-8R-2, 105–122 cm [Piece 9]). 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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