Figure F18. A. Centimeter-scale olivine-plagioclase modal layering and magmatic foliation (Sample 345-U1415I-4R-1, 63–78 cm [Piece 8C]; wet image). B–E. Olivine gabbro with strong magmatic foliation defined by plagioclase, olivine, and clinopyroxene shape-preferred orientation (SPO; double red arrow in B) (Sample 345-U1415I-4R-1, 35–38 cm [Piece 6]). (B) Plane-polarized light. (C) Strong magmatic foliation defined by plagioclase, olivine, and clinopyroxene SPO. Red boxes (tick mark shows upward direction) indicate the location of images in D and E; F lies outside the field of view shown in C. (D) Deformation twins and subgrain development in plagioclase. (E) Skeletal olivine. F. Olivine showing straight subgrain boundaries. C–F are under crossed polars.
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