Figure F83. Close-up photograph of a diagonal, pyroxene (PX)-rich gabbroic (Gab.) vein cutting across a harzburgite showing a crystal-plastic foliation. The foliation is defined by elongate orthopyroxene porphyroclasts in the lower right of the photo (S). Note that the vein merges with a lens of pyroxenitic and gabbroic veins that is elongate subparallel to the foliation plane. The vein includes a banded mylonite zone that is parallel to the vein contacts. Where the vein merges with the gabbroic to pyroxenitic compositions lens, the vein is folded. Also note undeformed serpentine vein crosscutting the gabbroic vein (interval 209-1270D-4R-1, 94

Figure F83. Close-up photograph of a diagonal, pyroxene (PX)-rich gabbroic (Gab.) vein cutting across a harzburgite showing a crystal-plastic foliation. The foliation is defined by elongate orthopyroxene porphyroclasts in the lower right of the photo (S). Note that the vein merges with a lens of pyroxenitic and gabbroic veins that is elongate subparallel to the foliation plane. The vein includes a banded mylonite zone that is parallel to the vein contacts. Where the vein merges with the gabbroic to pyroxenitic compositions lens, the vein is folded. Also note undeformed serpentine vein crosscutting the gabbroic vein (interval 209-1270D-4R-1, 94–103 cm).