Information Circular 107 Figure 13. Scanning electron micrograph of red bed lithofacies pore, exhibiting euhedral quartz over- growths (Q) and chloritic clay coatings (C). Red bed lithofacies; 16847.5 feet; Mesa Petroleum Company, T.R. Miller Mill Company, No. 1; Florida permit 551; Bar scale = 0.1 mm. 111