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GEOLOGICAL SURVEY OF ALABAMA PLATE 80 Highland Rim and Piedmont Province Cumberland Plateau Alabama Valley and Ridge Piedmont Upland Chronostratigraphy East Gulf INNER NORTHERN PIEDMONT SOUTHERN PIEDMONT WESTERN VALLEY AND RIDGE EASTERN VALLEY AND RIDGE PIEDMONT THEM NW SE Coastal Plain Lithostratigraphic Units A NORTHERN PIEDMONT SERIES TALLADEGA COOSA TALLAPOOSA Group SERIES DADEVILLE OPELIKA PINE MTN. UCHEE SERIES SERIES SYSTEM SYSTEM SYSTEM SYSTEM ERATHEM ERATHEM SW NE ERATHEM W E SW NE SW NE ER BLOCK BLOCK BLOCK COMPLEX COMPLEX BLOCK BLOCK Holocene Alluvial and terrace deposits Alluvial and Alluvial and Alluvial and Alluvial and Alluvial and Alluvial and Alluvial and terrace deposits terrace deposits terraceLow-Grade deposits Metamorphicterrace deposits Rocks terrace deposits terrace deposits terrace deposits ERNARY Alluvial, coastal, and terrace deposits T A Paleozoic* Hillabee Greenstone QUATERNARY CENOZOIC Pleistocene CENOZOIC QU QUATERNARY Talladega Group Chulafinnee Schist Citronelle Formation PENNSYLVANIAN Silurian? - Jemison Chert Pliocene ? Upper Devonian Butting Ram Sandstone Graham Ferry Formation Lay Dam Formation Pottsville Formation PENNSYLVANIAN Pottsville Formation Pottsville Formation Pascagoula Formation Cambrian ? Heflin Phyllite Miocene Hattiesburg Formation Miocene Series NEOGENE Undifferentiated Parkwood Pennington Parkwood Parkwood and Parkwood Silacauga Marble Group Pennington Fms. Gantts Quarry Formation Catahoula Formation Fm. Fm. Formation Formation Cambrian?- Almond undifferentiated Gooch Branch Chert Ordovician? TrondhjemiteShelvin Rock Church Formation Fayetteville Phyllite Paynes Hammock Sand Middle Bangor Limestone Bangor Limestone Jumbo Dolomite Kahatchee Mountain Group Wash Creek Slate Upper Chickasawhay Limestone MISSISSIPPIAN Precambrian ? - Kalona Quartzite Member Hartselle Hartselle CARBONIFEROUS Stumps Creek Formation Cambrian ? Brewer Phyllite Bucatunna Clay Member Sandstone Sandstone Sawyer Limestone Member Byram Floyd Upper Upper Waxahatchee Slate Formation Shale Oligocene Unnamed marl member Floyd CARBONIFEROUS Floyd Shale NE SW Pride Shale Pride Glendon Limestone Member CARBONIFEROUS Monteagle Lower Mountain Lower Erin Jemison Mountain Floyd Shale Limestone Vicksburg Marianna Limestone Formation Formation Slate Chert High-Grade Metamorphic Rocks and Igneous Rocks Forest Hill Sand Bumpnose Ls. NE SW Red Bluff Clay Monteagle Higgins Ferry Group Limestone Cheaha Butting Bluff Shubuta Mbr. Poe BridgeHissop Mountain Group Qzt. Ram Springs MISSISSIPPIAN Hatchet Creek Group MISSISSIPPIAN Ss. Granite Yazoo Pachuta Marl Mbr. Crystal Granite Pinchoulee Gneiss River Tuscumbia Tuscumbia Tuscumbia Clay Hanover Schist Cocoa Sand Mbr. Formation Limestone Limestone Limestone Upper Mad Indian Group Jackson North Twistwood Creek Clay Mbr. Middle Wedowee Group Middle Upper Tuscumbia Ls. Cutnose Gneiss CENOZOIC Moodys Branch Formation and Fort Payne Chert Fort Payne Fort Payne Fort Payne Cragford Phyllite Granite Rockford Gosport Sand undifferentiated Chert Chert Chert Hackneyville Schist Elkahatchee Quartz Diorite Cornhouse Schist Emuckfaw Group Glenloch Schist Eocene Lisbon Formation Middle Maury Fm. Maury Formation Maury Fm. Ultramafic rocks PALEOGENE Lower Lower Lay Dam Mitchell Dam Amphibolite Formation Ketchepedrakee Amphibolite Claiborne Chattanooga Shale Chattanooga Shale Chatt. Sh. Beaverdam Amphibolite Middle Tallahatta Formation Upper Upper DEVONIAN PALEOZOIC Meridian Sand Mbr. Lower Middle Middle Frog Mountain Ss. DEVONIAN Hatchetigbee Formation DEVONIAN Intrusives Unnamed Devonian Chert Frog Mountain Ss. Bashi Marl Member Elkahatchee Quartz Diorite Gneiss Lower Lower PALEOZOIC Rockford Granite Bells Landing Marl Mbr. Hissop Granite Tuscahoma Sand Pridoli Pridoli Almond Trondhjemite Greggs Landing Marl Mbr. Zana Granite Wilcox Lower Kowaliga Gneiss Grampian Hills Mbr. Ludlow Ludlow Salt Mtn. Bluff Springs Granite “Ostrea thirsae beds” Nanafalia Formation Red Limestone lock lock Wen- Silurian SILURIAN Wen- Wayne Gr. Moun- SILURIAN Gravel Creek Sand Mbr. undifferentiated tain Red Mountain Formation Brassfield Ls. Paleocene Salt Mtn. Fm. Naheola Coal Bluff Marl Mbr. Llandovery Limestone Llandovery Formation Oak Hill Mbr. Mathews Landing Marl Mbr. Sequatchie Fm. BREVARD FAULT ZONE Agricola Porters Creek Formation Midway Leipers Pridoli Jacksons Gap Group Schist Phelps Creek Sequatchie McBryde Limestone Mbr. Clayton Formation Maysville Limestone Tallassee Metaquartzite Gneiss Upper Pine Barren Mbr. Upper Formation Clayton Formation Lud- low Mylonitic rocks and Inman Elkmont Formation Formation Nashville enlock Prairie Bluff Chalk Providence Sand W Groups ALEOZOIC Sequatchie SILURIAN Nashville P undiff. Formation INNER PIEDMONT Ripley Formation Hermi- Group tage Fm. Bluffport Marl Mbr. Cusseta Dadeville Complex Precambrian to Paleozoic Sand Selma Demopolis Chalk Colvin Agricola Schist Mbr. Llandovery Kowaliga Zana Chickamauga Mountain Ropes Creek Amphibolite Arcola Limestone Mbr. Gneiss Granite Blufftown Limestone Sandstone Waresville Schist Mooreville Chalk Waverly Gneiss Formation Loachapoka Formation Ordovician Ultramafic and mafic intrusive rocks Tombigbee Sand Member undiff. JacksonsCamp Gap Hill Granite Gneiss (Colvin Mountain Sandstone and Greensport Greensport GroupRock Mills Granite Gneiss Upper Formation Stones Formation occur locally northwest of the Opelika Complex Eutaw Formation Upper Mafic/ River Helena Fault) Loachapoka SchistUM CRETACEOUS Middle Emuckfaw Group Auburn Gneiss MESOZOIC Little Group rocks Bottle Granite Middle ORDOVICIAN Bottle Granite ORDOVICIAN Oak Glenloch Athens Ls. Gordo Formation Schist Tuscaloosa Shale Attalla Chert Conglomerate Ropes Group Member Lenoir Creek “Tuscaloosa Marine Shale” undifferentiated Rock Mills Middle Amph. Granite Gn. Limestone averly Gneiss Wedowee Tuscaloosa Coker Formation W ORDOVICIAN Hillabee Group Mosheim Limestone Member Greenstone Auburn Formation Eoline Mbr. Hackneyville Waresville Schist SOUTHERN Fm.PIEDMONT Pond Spring Beaverdam Lower Lower Cretaceous undifferentiated Formation Gantts Quarry Amphibolite Formation MyloniticCornhouse rock (Towaliga fault zone) Newala Limestone Lower PineSchist Mountain Group The information presented herein is for general location information only and should Manchester Schist Longview Limestone Chewacla Marble not be used in place of site assessment. This map is an interpretation of recently Lower NE SW Lower Gooch Branch Knox Group Knox Group Hollis Quartzite compiled data; newly acquired or future data may allow a different interpretation. Chepultepec Chert Camp Hill undifferentiated undifferentiated Wacoochee Complex Dolomite Halawaka Schist Gneiss Knox Group Whatley Mill Gneiss Mad Hatchett Copper Ridge Phelps Creek Gneiss This plate was modified from Moore, 1992. Indian Creek Mylonitic and cataclastic rocks (Goat Rock fault zone) Dolomite Furongian Group Group Motts Gneiss Moffits Mill Gneiss Bibb Dolomite Color coding on Plate 80 corresponds to Plate 79. Shelvin Uchee Complex Ketona Phenix City Gneiss Furongian Furongian Rock Church Ketona Dolomite Dolomite Ketona Dolomite Formation NE SW Amphibolite-unnamed Hospilika Granite Brierfield Dolomite Series 3 Diabase dikes Auburn Dike Oak Bowery Dike GENERALIZED STRATIGRAPHIC COLUMNS Marcoot Dike Conasauga Fayetteville Conasauga Formation Mesozoic Snapper Dike Conasauga Formation Phyllite FOR FIVE PHYSIOGRAPHIC SECTIONS Formation Danway Dike CAMBRIAN Series 3 Series 3 Salem Dike CAMBRIAN Series 2 IN ALABAMA Jumbo Dolomite Amphibolite *Ages provided for each Piedmont Upland geologic unit are the most precise ages currently available Amphibolite Rome Formation Manchester By Schist Rome Formation Series 2 Shady Dolomite Series 2 Wash Creek Sophia M. Rutledge Weisner Fm. Slate Higgins Ferry Group Mitchell Dam Poe Bridge Mountain Group Wilson Ridge Fm. Ketchepedrakee erreneuvian Stumps Creek Chewacla T Nichols Fm. Formation Marble 2016 Group Chilhowee Cochran Fm. Brewer Terreneuvian Terreneuvian Phyllite Berry H. (Nick) Tew, Jr. Hollis Waxahatchee Quartzite Uchee State Geologist PRECAMBRIAN PROTEROZOIC Crystalline Basement Slate Complex.
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