Scoria. Median density Phi= -1.02 ; mm= 2.03 . Sorting= 2.85 . Coarse mode of grain size Phi= -1 ; mm= 2 . Fine mode of grain size Phi= 4.5 ; mm= 0.04 . Lithics wt%= 21.9
Eruption and deposition of the Fisher Tuff (Alaska): evidence for the evolution of pyroclastic flows
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