Geology and petrology of a 26-Ma trachybasalt to peralkaline rhyolite suite exposed at Hart Mountain, southern Oregon
By: by Allyson C. Mathis.
Published: 1993
Language: eng
Number of pages: 141
Subjects: Volcanic ash, tuff, etc. -- Oregon -- Hart Mountain.; Petrology -- Oregon -- Hart Mountain.; Geology, Stratigraphic.; Geochemistry -- Oregon -- Hart Mountain.; Geology -- Oregon -- Hart Mountain.
Notes: Includes mounted photograph.

Four folded plates in pocket.

Typescript (photocopy)

Thesis (M.S.)--Oregon State University, 1993.

Includes bibliographical references (leaves 122-131)