Figure F20. Boundary between oikocryst-bearing troctolite and troctolite (red dashed lines) (Thin Section 42; Sample 345-U1415J-7G-1, 91–94 cm [Piece 14]). Boundary type = grain size and modal; boundary definition = sutured. A. Core close-up. B. Plane-polarized light. Ol = olivine, Cpx = clinopyroxene, Pl = plagioclase. C. Under crossed polars.
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