Search Constraints

Start Over
Filtering by: Creator Williams, Reginald Remove constraint Creator: Williams, Reginald Advisor Brauner, David R. Remove constraint Advisor: Brauner, David R. Committee Member Brown, Perry Remove constraint Committee Member: Brown, Perry

Search Results

  • 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
    Full Text:
    ) that was erupted range from 30 to 64 km3 (Williams and Goles 1968; Lidstrom 1972). Howell