Investigations into the state of stress in the crust under northeastern United States.

The purpose of this report is to compare the regional joint pattern with the pattern for finite strain recorded on the Appalachian plateau, New York. From this comparison the authors infer a sequence to the development of various joint sets and thus a sequence of stress fields present during deformation of the Appalachian plateau. This paper also describes two experiments illustrating the relationship between the orientation of recoverable strain and jointing. The ultimate goal is to infer the boundary conditions during the propagation of joints within the Appalachian plateau.-from US Govt Reports Announcements, 26, 1981