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The Appalachian Structural Front

Paul H. Price
The Journal of Geology
Vol. 39, No. 1 (Jan. - Feb., 1931), pp. 24-44
Stable URL: http://www.jstor.org/stable/30064694
Page Count: 21
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The Appalachian Structural Front
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Abstract

The Appalachian structural front marks a comparatively narrow zone, east of which the rocks have been greatly mashed, folded, and faulted, while west of this zone the rocks lie more nearly horizontal. This is shown by cross-sections. The structural break closely parallels the axis of the trough of deposition from at least early Silurian to the close of Pottsville time and therefore follows an inherited line of weakness. The type of failure was governed by the shape of the basin and the character of the beds, whether competent or incompetent, and their position in the stratigraphic section.

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