Figure 10. Representative layered sections of the Leg 176 core. A. Size-graded and modal layering (interval 176-735B-171R-4, 35 90 cm). B. Troctolitic layer in olivine gabbro (interval 176-735B 186R-4, 35 55 cm). C. Mafic layers in olivine gabbro (interval 176-735B-190R-2, 0 95 cm).