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Record Nr. |
UNINA9910706565203321 |
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Autore |
Imlay Ralph W (Ralph Willard), <1908-1989, > |
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Titolo |
Ammonites of early cretaceous age (Valanginian and Hauterivian) from the Pacific coast states / / by Ralph W. lmlay |
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Pubbl/distr/stampa |
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Washington : , : United States Department of the Interior, Geological Survey, , 1960 |
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Descrizione fisica |
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1 online resource (106 unnumbered pages) : illustrations, maps + + 1 plate |
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Collana |
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Geological Survey professional paper ; ; 334-F |
Shorter contributions to general geology |
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Soggetti |
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Ammonoidea - California |
Ammonoidea - Oregon |
Ammonoidea - Washington (State) |
Geology, Stratigraphic - Cretaceous |
Paleontology - Cretaceous |
Paleontology - California |
Paleontology - Oregon |
Paleontology - Washington (State) |
Ammonoidea |
Cretaceous Geologic Period |
Geology, Stratigraphic |
Paleontology |
California |
Oregon |
Washington (State) |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Title from title screen (viewed September 30, 2014). |
"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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Nota di bibliografia |
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Includes bibliographical references (pages 221-223) and index. |
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