1.

Record Nr.

UNINA9910706565203321

Autore

Imlay Ralph W (Ralph Willard), <1908-1989, >

Titolo

Ammonites of early cretaceous age (Valanginian and Hauterivian) from the Pacific coast states / / by Ralph W. lmlay

Pubbl/distr/stampa

Washington : , : United States Department of the Interior, Geological Survey, , 1960

Descrizione fisica

1 online resource (106 unnumbered pages) : illustrations, maps + + 1 plate

Collana

Geological Survey professional paper ; ; 334-F

Shorter contributions to general geology

Soggetti

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)

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

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."

Nota di bibliografia

Includes bibliographical references (pages 221-223) and index.