SCAB

Basement domain in the Southeastern Laurentia and Appalachians

Geologic information

Region Southeastern Laurentia and Appalachians
Alternate names Southern and central Appalachian basement
Crust
Formation age: 1400-1100 Ma
Accretion
Type: Collisional
Age: 1.1 Ga
Notes Amazonia origin, Mesoproterozoic; AL-NY lineament is boundary?

Geographic extent

Autauga, Bibb, Blount, Calhoun, Cherokee, Chilton, Choctaw, Clarke, Cleburne, Coosa, Cullman, Dallas, DeKalb, Etowah, Fayette, Greene, Hale, Jackson, Jefferson, Lamar, Madison, Marengo, Marshall, Morgan, Perry, Pickens, Saint Clair, Shelby, Sumter, Talladega, Tuscaloosa, Walker, Washington, Wilcox, Bartow, Catoosa, Chattooga, Dade, Floyd, Gordon, Haralson, Murray, Paulding, Walker, Whitfield, Pike, Allegany, Garrett, Washington, Clarke, Kemper, Lauderdale, Lowndes, Noxubee, Sussex, Warren, Columbia, Delaware, Dutchess, Greene, Orange, Sullivan, Ulster, Ashe, Avery, Mitchell, Bedford, Berks, Blair, Carbon, Centre, Clinton, Columbia, Cumberland, Dauphin, Franklin, Fulton, Huntingdon, Juniata, Lackawanna, Lebanon, Lehigh, Luzerne, Lycoming, Mifflin, Monroe, Montour, Northampton, Northumberland, Perry, Pike, Schuylkill, Snyder, Somerset, Sullivan, Susquehanna, Union, Wayne, Wyoming, Blount, Bradley, Carter, Cocke, Grainger, Hamblen, Hamilton, Hancock, Hawkins, Jefferson, Marion, Meigs, Monroe, Polk, Sevier, Sullivan, Unicoi, Union, Washington, Albemarle, Alleghany, Amherst, Augusta, Bath, Bland, Botetourt, Buchanan, Clarke, Craig, Dickenson, Frederick, Giles, Grayson, Highland, Lee, Loudoun, Montgomery, Page, Pulaski, Rockbridge, Rockingham, Russell, Scott, Shenandoah, Smyth, Tazewell, Warren, Washington, Wise, Wythe, Bristol, Buena Vista, Covington, Harrisonburg, Lexington, Norton, Radford, Roanoke, Salem, Staunton, Waynesboro, Winchester, Barbour, Berkeley, Braxton, Clay, Fayette, Grant, Greenbrier, Hampshire, Hardy, Jefferson, Kanawha, Lewis, McDowell, Mercer, Mineral, Monroe, Morgan, Nicholas, Pendleton, Pocahontas, Preston, Raleigh, Randolph, Summers, Tucker, Upshur, Webster, Wyoming

Bibliographic references