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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