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Paleogeography and sedimentology of Upper Cretaceous turbidites, San Diego, California.

American Association of Petroleum Geologists Bulletin

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Abstract

Upper Cretaceous (Campanian and Maestrichtian) marine strata of the Rosario Group in the San Diego area include the Point Loma Formation and overlying Cabrillo Formation. Thes units contain 6 facies associations which define a deep-sea fan deposited by westward-flowing sediment gravity flows that transported sediments derived chiefly from batholithic and pre-batholithic metamorphic rocks of the Peninsular Ranges. The sedimentary basin initially deepened abruptly. The fan then prograded westward into the basin, with a retrogradational phase recorded in the uppermost part of the sequence. The fan was deposited along the eastern edge of a forearc basin similar to that of the Great Valley sequence in northern California. The western part of the fan appears to have been truncated by late Cenozoic strike-slip faulting.-from Authors

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Paleogeography and sedimentology of Upper Cretaceous turbidites, San Diego, California.
Series title:
American Association of Petroleum Geologists Bulletin
Volume
65
Issue:
7
Year Published:
1981
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
American Association of Petroleum Geologists Bulletin
First page:
1256
Last page:
1284
Number of Pages:
29