Figure F25. A–F. Photomicrographs of ophimottle textures, Hole U1349A (Thin Section 219; Sample 324-U1349A-10R-2, 10–12 cm). Each intergrowth has clinopyroxene with uniform extinction enclosing clusters of elongate, smaller, tabular plagioclase and irregular outlines. The intergrowth in D and E has large crystals of titanomagnetite at its rim, appearing bright in the reflective light of F, and associated with smaller rimming plagioclase and clinopyroxene crystals than in the center of the intergrowth. A and C are under transmitted light; B, D, and E are under cross-polarized light; F is under reflected light.
Previous | Close | Next | Top of page