Florida Geological Survey 12. Volcanic rock fragment............................................................................................................ 110 13. Scanning electron micrograph of secondary quartz overgrowths and clay coatings.................. 111 14. Scanning electron micrograph of chloritic clay coatings............................................................. 112 15. Norphlet Formation-Werner Anhydrite ....................................................................................... 114 16. North-south stratigraphic cross section, Panhandle, Florida...................................................... 116 17. West-east stratigraphic cross section, Panhandle, Florida ........................................................ 117 TABLES Table Page 1. Well names, locations, and permit numbers for all wells used in this study ............................... 91