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The Paleozoic RocksContinued
The Paleozoic Rocks by Charles Butts
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Appalachian Valley Archean Ashland mica schist Athens shale basal beds belt Bibb Bluff Brierfield Cahaba Valley calcareous Calhoun County Cambrian Cheaha Chepultepec Cherokee County chert Chickamauga limestone Clay County coal field Colbert County Conasauga formation Coosa River Copper Ridge dolomite Creek Cretaceous deposits dolomite dorsal exposed exposures feet thick Fort Payne fossils Frog Mountain sandstone Gasper Geol Geological Survey glauconitic gneiss half a mile Hartselle Hillabee horizon Jemison Ketona layers Little Oak limestone lower marble marl McCalley mile east mile west miles north miles northeast miles south Mississippi Montevallo Newala northwest occur Odenville oolite Ostrea outcrop Paleozoic Pecten phyllite Pottsville Prouty quarry quartz quartzite Red Mountain formation road sand sandstone sandy schist Selma chalk Sequatchie Shelby County shown in Plate southeast southwest species specimen strata Sylacauga Talladega Talladega slate Tennessee Tuscaloosa Ulrich unconformity upper ventral valve vicinity Warsaw Wedowee