Ralph W. Imlay
Personal Information
Born January 1, 1908
Died January 1, 1989 (81 years old)
United States
4 books
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Books
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Ammonites of early cretaceous age (Valanginian and Hauterivian) from the Pacific coast states
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"The ammonite succession provides correlations within the Pacific Coast States and with other areas.
Late Jurassic ammonites from the western Sierra Nevada, California
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"Ammonites furnish correlations with Jurassic rocks elsewhere on the Pacific coast and with the standard European stages."
Early Cretaceous (Albian) ammonites from the Chitina Valley and Talkeetna Mountains, Alaska
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"The Early Cretaceous (Albian) ammonites in southern Alaska have strong affinities with those in California and Oregon but are in part of Boreal and Eurasian origin."
Jurassic (Bathonian or early Callovian) ammonites from Alaska and Montana
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"Descriptions and illustrations of cephalopods of possible late Middel Jurassic (Bathonian) age."