North Pumice. Median density Phi= -3.41 ; mm= 10.6 . Sorting= 1.86 . Coarse mode of grain size Phi= -4 ; mm= 16 . Fine mode of grain size Phi= 4.5 ; mm= 0.04
Eruption and deposition of the Fisher Tuff (Alaska): evidence for the evolution of pyroclastic flows
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