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Figure F70. Photomicrographic atlas of granoblastic dike microstructures (Sample 335-U1256D-Run20-RCJB; Thin Section 37) (cross-polarized light). A. Equilibrated microstructure due to static recrystallization. B, C. Deformation twins in plagioclase grains. D. Deformation of elongated plagioclase grain. E. Banding and foliation defined by weakly aligned plagioclase laths. F. Submagmatic fracture and deformation twins in plagioclase grain.

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