Ammonites of early cretaceous age (Valanginian and Hauterivian) from the Pacific coast states
Ralph W. Imlay (Author), United States Department of the Interior (Issuing body), Geological Survey (U.S.) (Issuing body)
"The ammonite succession provides correlations within the Pacific Coast States and with other areas. This suggests that Cretaceous strata in California and Oregon rest disconformably on Jurassic strata."
Print Book, English, 1960
U.S. Govt. Print. Off., Washington, D.C., 1960
Geological Survey professional paper, 334-F, 1958
iii, [41], pages 167-228 : illustrations, maps, plates ; 29 cm + 1 chart
3161678
Abstract
Introduction
Biologic analysis
Stratigraphic summary
Faunal zones and correlations
Comparisons with other faunas
Ecologic considerations
Geographic distribution
Summary of results
Systematic descriptions
1 chart in pocket
Title page verso : United States Department of the Interior
Also available online in PDF format from the U.S. Geological Survey Warehouse (http://pubs.er.usgs.gov/)
Additional title page description: The ammonite succession provides correlations within the Pacific Coast States and with other areas. This suggests that Cretaceous strata in California and Oregon rest disconformably on Jurassic strata
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