(Article of periodic en Anglais - 1985)

Document title

Correlation of the Rockland ash bed, a 400,000-year-old stratigraphic marker in northern California and western Nevada, and implications for Middle Pleistocene paleogeography of central California


Stratigraphic relations of the Rockland ash bed and older tephra layers in the Great Valley and near San Francisco suggest that the southern Great Valley emerged above sea level about 2 my ago, that its southerly outlet to the ocean was closed sometime after about 2 my ago, and that drainage from the Great Valley to the ocean was established near the present, northerly outlet in the vicinity of San Francisco Bay about 0.6 my ago.


Article of periodic

published at : Quaternary research New York

Editor :

Millesime : 1985, vol. 23, no2 [pp. 236-257]

Bibliographic references : 36 réf.



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