Florida Geological Survey


Figure 10. High-rank metamorphic rock fragment (MRF) with a fabric of stretched and sutured quartz
 subcrystals separated by thin mica plates. A euhedral pyrite crystal (P) appears in the center
 of the grain. Crossed-nicols; lower Denkman Member; 16145.5 feet; Exxon Corporation,
 Martha Murphy 10-6; Florida permit 1004; Bar scale = 0.1 mm.


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