Howard A. Powers
- Volcanic Ash from Mount Mazama (Crater Lake) and from Glacier Peak
1964/06/12 by Howard A. Powers, Ray E. Wilcox · 4 citations
Earth and Planetary Sciences · #Geology and Paleoclimatology Research #Geology #Impact crater #Petrography #Glacier #Volcano #Volcanic ash #Mount #Rock glacier #Geochemistry #Glacial period #Physical geography #Geomorphology #Earth science #Astrobiology #Geography