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Large bedrock landslides of the Appalachian Valley and Ridge province of eastern North America

By
Arthur P. Schultz
Arthur P. Schultz
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C. Scott Southworth
C. Scott Southworth
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Published:
January 01, 1989

Large bedrock landslides have been identified on dip slopes of the Appalachian Valley and Ridge province of eastern North America. These landslides include rock block slides, rock slumps, rock slides, rock avalanches, and gravitational sags (sackung) and are the largest known in this area. Single landslides may involve more than one billion cubic meters of rock. The large bedrock landslides are weathered and most likely Quaternary in age. The present distribution of the large failures may be due to changes in the rock types present on dip slopes as well as proximity to major drainages and seismic zones. Little evidence is available to suggest movements of this magnitude during historic times. However, because such large slope failures constitute a significant hazard to life and man-made structures, it is important to know where, why, and how they have occurred.

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GSA Special Papers

Landslide processes of the eastern United States and Puerto Rico

Arthur P. Schultz
Arthur P. Schultz
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Randall W. Jibson
Randall W. Jibson
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Geological Society of America
Volume
236
ISBN print:
9780813722368
Publication date:
January 01, 1989

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