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Cenozoic tectonic history of the Sierra de Perijá, Venezuela-Colombia, and adjacent basins

1984; Geological Society of America; Linguagem: Inglês

10.1130/mem162-p239

0072-1069

James N. Kellogg,

Geological and Tectonic Studies in Latin America

The four major Cenozoic tectonic phases in the Sierra de Perijá and adjacent basins are the early Eocene tectonic phase, the middle Eocene Caribbean orogeny, the late Oligocene phase, and the late Miocene to present Andean orogeny. Ages of unconformities associated with particularly rapid regional uplift during these phases are early Eocene (53 m.y.), middle Eocene (45 m.y.), late Oligocene (25 m.y.), and Pliocene (3 m.y.). Northwest-southeast compression may have commenced in the Perijá and the Maracaibo Basin as early as the early Eocene. By the middle Eocene the Macoa-Totumo arch had begun to form during intense alpine-type folding and...