About This Item

Share This Item

The AAPG/Datapages Combined Publications Database

Journal of Petroleum Geology

Abstract

Journal of Petroleum Geology, Vol.16, No.1, pp. 5-32, 1993

┬ęCopyright 2000 Scientific Press, Ltd.

THE TALARA FOREARC BASIN, NW PERU: DEPOSITIONAL MODELS
OF OIL-PRODUCING CENOZOIC CLASTIC SYSTEMS

A. V. Carozzi* and J. R. Palomino**

* Department of Geology, 245 Natural History Building, University of Illinois at Urbana-Champaign, 1301 West Green Street, Urbana, Illinois, 61801-2999, USA.

** J. R. Butler and Co., Oil and Gas Consultants, 4605 Post Oak Place, Houston, Texas 77027, USA.


Abstract

The Talara Basin is an unusual forearc basin, inasmuch as it displays many features which are not characteristic of such a tectonic context. These features apparently result from the basin's location at the intersection of the Amazonas Aulacogen, the Andean orogenic belt, and the subduction zone of the Peru-Chile Trench. The history of the Talara forearc basin is dominated by extensional rather than compressional tectonic activity, which reached a peak after the Eocene in association with low-angle gravity slides. This tectonism began with a prolonged synsedimentary phase, which, during the Paleocene-Eocene, generated a complex system of horsts and grabens bounded by major high-angle normal faults trending NE-SW and NW-SE. Closely related to repeated phases of uplift and erosion in the eastern Andean source areas, this structural pattern controlled unusually thick and coarse clastic sedimentation during the Paleocene-Eocene; a thickness of about 22,000 ft has been preserved, from which volcanics are essentially absent.

Pay-Per-View Purchase Options

The article is available through a document delivery service. Explain these Purchase Options.

Protected Document: $10
Internal PDF Document: $14
Open PDF Document: $24