Florida Geological Survey


Figure 12. Volcanic rock fragment (VRF) in the red bed lithofacies exhibiting a dark, fine-grained matrix
 (M) enclosing probable plagioclase phenocrysts (P). Plane-polarized light; red bed lithofacies;
 15549.0 feet; Champlin Petroleum Company, USA & State of Florida, No. 1; Florida permit
 518; Bar scale = 0.1 mm.


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