Fig. 2From: Formation of lower fast-spread oceanic crust: a structural and geochemical study of troctolites in the Hess Deep Rift (East Pacific Rise)Photographs of representative troctolites from IODP Site U1415. a Coarse-grained troctolite (CGT13). b Fine-grained troctolite (FGT1). This type of troctolite includes centimeter-sized clinopyroxene oikocrysts. c Skeletal olivine-bearing troctolite (SOBT1). Ol Olivine, Cpx ClinopyroxeneBack to article page