Malo, Michel, Béland, Jacques (1989) Acadian strike-slip tectonics in the Gaspé region, Quebec Appalachians. Canadian Journal of Earth Sciences, 26 (9) 1764-1777 doi:10.1139/e89-149
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Acadian strike-slip tectonics in the Gaspé region, Quebec Appalachians | ||
| Journal | Canadian Journal of Earth Sciences | ||
| Authors | Malo, Michel | Author | |
| Béland, Jacques | Author | ||
| Year | 1989 (September 1) | Volume | 26 |
| Issue | 9 | ||
| Publisher | Canadian Science Publishing | ||
| DOI | doi:10.1139/e89-149Search in ResearchGate | ||
| Generate Citation Formats | |||
| Mindat Ref. ID | 480628 | Long-form Identifier | mindat:1:5:480628:2 |
| GUID | 0 | ||
| Full Reference | Malo, Michel, Béland, Jacques (1989) Acadian strike-slip tectonics in the Gaspé region, Quebec Appalachians. Canadian Journal of Earth Sciences, 26 (9) 1764-1777 doi:10.1139/e89-149 | ||
| Plain Text | Malo, Michel, Béland, Jacques (1989) Acadian strike-slip tectonics in the Gaspé region, Quebec Appalachians. Canadian Journal of Earth Sciences, 26 (9) 1764-1777 doi:10.1139/e89-149 | ||
| In | (1989, September) Canadian Journal of Earth Sciences Vol. 26 (9) Canadian Science Publishing | ||
| Abstract/Notes | At the southern margin of the Cambro-Ordovician Humber Zone in the Quebec Appalachians, on Gaspé Peninsula, three structural units of Middle Ordovician to Middle Devonian cover rocks of the Gaspé Belt are in large part bounded by long, straight longitudinal faults. In one of these units, the Aroostook–Percé anticlinorium, several structural features, which can be ascribed to Acadian deformation, are controlled by three subparallel, dextral, strike-slip longitudinal faults: Grande Rivière, Grand Pabos, and Rivière Garin. These faults follow bands of intense deformation, contrasting with the mildly to moderately deformed intervals that separate them.Most of the structural features observed – rotated oblique folds and cleavage, subsidiary Riedel and tension faults, and offsets of markers – can be integrated in a model of strike-slip tectonics that operated in ductile–brittle conditions. A late increment of deformation in the form of conjugate cleavages and minor faults is restricted to the bands of high strain. An anticlockwise transection of the synfolding cleavage in relation to the oblique hinges may be a feature of the rotational deformation.The combined dextral strike slip that can be measured within the three major longitudinal fault zones amounts to 138 km, to which can be added 17 km of ductile movement in the intervals, for a total of 155 km. | ||
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