Temporal trends in the geochemistry and petrology of the 1980 Mount St. Helens pyroclastic flow deposits
By: by Robert Logan.
Published: 1983
Language: eng
Number of pages: 109
Subjects: Geochemistry -- Washington (State) -- Saint Helens, Mount.; Petrology -- Washington (State) -- Saint Helens, Mount.; Volcanic ash, tuff, etc. -- Washington (State) -- Saint Helens, Mount.; Saint Helens, Mount (Wash.) -- Eruption, 1980.
Notes: Typescript (photocopy).

Thesis (M.S.) - Western Washington University, 1983.

Bibliography: leaves 88-95.