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Book Chapter

Paleomagnetic Results from the Perijá Mountains, Venezuela: An Example of Vertical Axis Rotation

By
Wulf A. Gose
Wulf A. Gose
Department of Geological Sciences, The University of Texas at Austin, Austin, Texas, U.S.A.
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Adrián Perarnau
Adrián Perarnau
Departamento de Física, Universidad Simón Bolívar, Caracas, Venezuela
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Jesús Castillo
Jesús Castillo
Departamento de Física, Universidad Simón Bolívar, Caracas, Venezuela
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Published:
January 01, 2003

Abstract

Paleomagnetic analyses of 161 samples of Jurassic through Eocene age from 11 sites in the Venezuelan foothills of the Perijá Mountains yield a pole position at 44.1° N, 6.6° E with an error of A95 = 9.6°. These data indicate that the sampling sites underwent a 50° ± 12° clockwise rotation. The rotations are interpreted to be the result of Neogene compression, which caused the rotation of fault-bounded blocks. Model calculations suggest a shortening between 8 km and 20 km across the eastern portion of the Perijá Mountains.

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AAPG Memoir

The Circum-Gulf of Mexico and the Caribbean: Hydrocarbon Habitats, Basin Formation and Plate Tectonics

Claudio Bartolini
Claudio Bartolini
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Richard T. Buffler
Richard T. Buffler
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Jon F. Blickwede
Jon F. Blickwede
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American Association of Petroleum Geologists
Volume
79
ISBN electronic:
9781629810546
Publication date:
January 01, 2003

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