Figure F7. Downhole variation of olivine and orthopyroxene mode in the gabbroic section recovered during Expedition 312. Data include both macroscopic estimates by Expedition 335 igneous petrologists (solid symbols) and thin section estimates made during Expedition 312 (open symbols). The vertical dashed line on the orthopyroxene mode plot indicates 5% orthopyroxene, separating the (olivine) gabbro field from the (olivine) gabbronorite field.
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