The structure, stratigraphy, tectonostratigraphy, and evolution of the southernmost part of the Appalachian Orogen
Higgins MW, Atkins RL, Crawford TJ, Crawford RF, Brooks R, Cook RB. 1988. The structure, stratigraphy, tectonostratigraphy, and evolution of the southernmost part of the Appalachian Orogen. U.S. Geological Survey (USGS) Professional Paper. U.S. Geological Survey Professional Paper 1475. USGS, Department of the Interior. Washington
The southernmost part of the Appalachian orogen in Georgia and Alabama is composed of three stacks of folded thrust sheets. The crystalline part of the orogen (including rocks now covered by the Coastal Plain) is composed of two thrust stacks, the (lower) Georgiabama thrust stack and the (upper) Little River thrust stack. Together with the Rome-Kingston thrust stack in the Valley and Ridge province, these thrust stacks preserve sequences of rocks formed in a wide variety of environments that virtually spanned the ancient Iapetus Ocean. The lowest thrust sheet in the Georgiabama stack preserves sequences of rocks considered autochthogenetic (allochthonous but derived from or otherwise genetically related to a given craton) to the North American craton, whereas higher thrust sheets in the stack preserve sequences considered allochthogenetic (allochthonous and unrelated to a given craton) to the North American craton.
- Type
- Published Report
- Authors
- Higgins, Michael; Atkins, Robert; Crawford, Thomas; Crawford, Ralph; Brooks, Rebekah; Cook, Robert
- Date of Issue
- 1988
- Publisher
- USGS, Department of the Interior
- Units
- CHAT , WRD
- Keywords
- Clemson, Georgiabama stack, quartzites, Rocks, Stratigraphy, Tectonostratigraphy, thrust sheet, WRBIB, zones