BulletinU.S. Government Printing Office, 1943 - Geology |
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adit appears argillaceous bedding-replacement deposits Bethel sandstone Bluff Blufftown CaF2 calcareous calcite Cave in Rock Chattahoochee Chattahoochee River chert clay coarse Conrad correlation Creek fault zone cross-bedded crystalline crystals Cusseta drifts east electrode Eocene escarpment exposed exposures feet Flint River Flint River formation fluorite fluorspar fluorspar deposits Fort Gaines fossils Fredonia limestone fuller's earth Genevieve limestone geologic map Geological Survey Georgia gray Hardin County Hawthorn formation horizon Illinois Geol Illinois-Kentucky field indicated layers Lead Hill lithologic mapped area marl McBean formation micaceous mill mineral bodies mining minor faults northeast northwest Ocala Ocala limestone occur Ostrea Otto outcrop overlain Paint Creek Pecten Peters Creek fault places Pope Counties probably prospecting quartz replacement Rock district roof fissures Rosiclare sandstone sandy shaft southwest Spar Mountain stratigraphic structural sub-Rosiclare surface Survey Bull thickness traverse trends Tuscaloosa unconformably valley Veatch and Stephenson vein deposits Weller