Contributions to Mineralogy and Petrology · 1967 · 119 citations · 23 references
Natural SciencesEarth SciencesGeologyGeochemistryMineralogyVolcanologyCaldera FormationMineral GenesisMineral GeochemistryVolcanic AshVolcanic GeochemistryVolcanic StratigraphyAsh Flow DepositsAsh StratigraphyMineral Content EstimationVolcanic Ash GeochemistryVolcanic Ash Soils
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ROBERT L. SMITH · Geological Society of America Bulletin · 1960 · 363 citations
William C. Putnam, Howel Williams · Geographical Review · 1942 · 312 citations
Zones and zonal variations in welded ash flows
R. L. Smith · USGS professional paper · 1960 · 293 citations · Full text