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Published March 1943 | Published
Journal Article Open

Cretaceous: East Side Sacramento Valley, Shasta and Butte Counties, California

Popenoe, W. P.


Isolated outcrops of Upper Cretaceous beds are found in the lower stream valleys, north, northeast, and east of Redding, Shasta County. The total thickness of the exposed beds aggregates 4,000 feet or more. Six well marked lithologic members, alternately predominantly sandstones and shales, may be recognized. The upper sandstones of Oak Run Valley, 2,500–3,000 feet above the base of the section, are the probable correlatives of the base of the Cretaceous section at Chico Creek 70 miles south.

Additional Information

© 1943 American Association of Petroleum Geologists. Read before the Pacific Section of the Association at Los Angeles, October 16, 1941. Manuscript received, June 18, 1942. The writer here acknowledges his appreciation for the help given in this work by the Geological Society of America. Further, he thanks the Society for permission to present this preliminary stratigraphic report through the medium of the Bulletin of the American Association of Petroleum Geologists.

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