Appalachian Geosyncline

Appalachian Geosyncline, Great downbuckle in the Earth’s crust in the region of the present Appalachian Mountains. It was in the Appalachians that James Hall first worked out the geosynclinal theory of mountain building (see geosyncline).

This article was most recently revised and updated by John P. Rafferty.
Citation Information
Article Title: Appalachian Geosyncline
Website Name: Encyclopaedia Britannica
Publisher: Encyclopaedia Britannica, Inc.
Date Published: 10 June 2016
Access Date: February 22, 2025