Index Catalog // ScholarsArchive@OSU

Start Over

Filtering by: Date issued sim 1987-05-28 Degree Field Agricultural Business Management

The effects of the Mazama tephra-falls : a geoarchaeological approach

Creator:

Matz, Stephan E.

Abstract:

About 7,000 years ago two major tephra-falls blanketed the Pacific Northwest in volcanic ash. These two tephra-falls, identified as the Llao and climatic tephra-falls, were a part of the eruptive events that led up to the collapse of Mount Mazama to form Crater Lake in the southern Oregon Cascades. The...

Resource Type:

Masters Thesis