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Submarine-canyon Fill, Point Lobos State Reserve, California, USA

By
H. Edward Clifton
H. Edward Clifton
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Published:
January 01, 2008

Abstract

The Carmelo Formation at Point Lobos State Reserve, on the central coast of California, provides an excellent exposure of conglomeratic submarine-canyon fill (Clifton, 1981, 1984; Lowe, 2004). The unit fills a valley incised into Upper Cretaceous grano-diorite (Kistler and champion, 2001), and a sparse fossil assemblage consistendy indicates Paleogene deposition in upper bathyal depths (Bowen, 1965; Nili-Esfahani, 1965; Hill, 1981; Clark, 1997; Burnham, 2005).

The submarine canyon is incised into Upper Cretaceous granodiorite that was crystallized in a southern extension of the Sierra Nevada. The canyon trends west-northwest. Its original location is unknown other than being well to the south, probably in southern California. Following the initiation of the San Andreas Fault in the Miocene, a substantial translation to the northwest brought the canyon fill and associated rocks to their present location.

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Contents

AAPG Studies in Geology

Atlas of Deep-Water Outcrops

Tor H. Nilsen
Tor H. Nilsen
Desceased
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Roger D. Shew
Roger D. Shew
University of North Carolina
Wilmington, North Carolina
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Gary S. Steffens
Gary S. Steffens
Shell International E&P
Houston, Texas
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Joseph R. J. Studlick
Joseph R. J. Studlick
Maersk Oil America Inc.
Houston, Texas
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American Association of Petroleum Geologists
Volume
56
ISBN electronic:
9781629810331
Publication date:
January 01, 2008

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