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Filtering by: Date issued sim 1981-09-28 Degree Level Master's

Determination of mode of death of John Day Merycoidodontidae (Oreodontidae) by populaton age structure analysis

Creator:

Brown, Melinda Elaine

Abstract:

Volcanic activity during the Tertiary has long been held responsible for the deaths and subsequent fossilization of the vertebrate populations of the John Day region in Oregon. Oreodonts as plains or savannah dwelling ruminant herbivores, were likely to have been subject to potential exposure throughout their lifetime to volcanic debris...

Resource Type:

Masters Thesis