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Figure F29. A. Close-up photograph illustrating the occurrence of a diorite dikelet crosscutting granoblastic basalt (Sample 335-1256D-Run19-RCJB-Rock C). B. Overview of a diorite patch in a fine-grained granoblastic aphyric basalt (cross-polarized light) (Sample 335-1256D-Run11-EXJB [Thin Section 13]). An offshoot of the diorite crosscuts the granoblastic basalt, demonstrating that the diorite is intrusive. C. Close-up photograph of orthopyroxene-bearing olivine gabbro (Sample 335-1256D-Run20-RCJB-Rock C).

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