Earth and Planetary Science Letters · 1968 · 129 citations · 6 references
Natural SciencesEarth SciencesGeologySedimentologySpectroscopySurface ScienceDepositional Environment AnalysisElectron MicroscopyPyroclastic Density CurrentsSedimentary EnvironmentsVolcanic DepositsElectron Probe MicroanalysisPyroclastic Density Current DepositsPyroclastic Deposit StratigraphyPyroclastic Fall DepositsPyroclastic Rocks
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Volcanic Ash from Mount Mazama (Crater Lake) and from Glacier Peak
Howard A. Powers, Ray E. Wilcox · Science · 1964 · 117 citations
Mazama and Glacier Peak Volcanic Ash Layers: Relative Ages
Roald Fryxell · Science · 1965 · 97 citations