Significance of lineation and minor folds near major thrust faults in the southern Appalachians and the British and Norwegian Caledonides
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Abstract
The Blue Ridge thrust sheet is one of the principal thrust masses of metamorphic rocks in the southern Appalachians. A broad zone of sheared and retrogressively metamorphosed rocks near the sole of the thrust sheet around the Grandfather Mountain window displays numerous small tight or isoclinal folds having axes subparallel to an intense penetrative cataclastic a lineation and axial planes parallel to foliation in the thrust sheet. These folds seem to have formed by tightening, flattening, and passive rotation of earlier more open folds originally formed perpendicular to the direction of transport. The style and orientation of these folds closely resemble those of analogous structures in thrust masses of crystalline rocks in the Caledonian orogenic belt in Scotland and Norway, suggesting that the structures of both regions may have similar origins.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Significance of lineation and minor folds near major thrust faults in the southern Appalachians and the British and Norwegian Caledonides |
| Series title | Geological Magazine |
| DOI | 10.1017/S0016756800058805 |
| Volume | 106 |
| Issue | 5 |
| Year Published | 1969 |
| Language | English |
| Publisher | Cambridge University Press |
| Contributing office(s) | Denver Federal Center |
| Description | 18 p. |
| First page | 412 |
| Last page | 429 |
| Country | Norway, United Kingdom, United States |
| State | Alabama, Georgia, Kentucky, Maryland, North Carolina, Scotland, South Carolina, Tennessee, Virginia, West Virginia |
| Other Geospatial | Appalachian Mountains, Caledonides |
| Google Analytic Metrics | Metrics page |