Geology and petrologic evolution of the silicic to intermediate volcanic rocks underneath Steens Mountain basalt, SE Oregon
By: by Vera W. Langer.
Published: 1992
Language: eng
Subjects: Volcanic ash, tuff, etc. -- Oregon -- Steens Mountain.; Petrology -- Oregon -- Steens Mountain.; Geology, Stratigraphic.; Geology -- Oregon -- Steens Mountain.
Notes: Includes map in pocket.

Typescript (photocopy)

Thesis (M.S.)--Oregon State University, 1992.

Includes bibliographical references (leaves.