Dewey, J. F., and Kay, M., in History of the Crust of the Earth (Princeton Univ. Press, in the press). Bullard, E. C., Everett, J. E., and Smith, A., Gilbert, Roy ...

Lithotectonic terranes of the southern Appalachian orogen (SAO) are thought to occur in unique geologic settings distinct from the northern Appalachian orogen (NAO). Historically, the NAO tectonic ...