Kaguyak Ignimbrite. Grey-brown sandy, small pumice and lithic-rich ignimbrite with conspicuous 2-m-thick LCZ near top of exposure. LCZ has 50-70 volume% lithics. Exposed thickness 6-8 m. no PCZs. LCZ: 2 m. See text for MC and ML. Pumice clasts: mostly white or light pumice, but scoria and banded pumice are present. Lithic clasts: all clasts are grey andesite-dacite lavas; a significant fraction are altered or have orange-brown alteration rinds.
Kaguyak dome field and its Holocene caldera, Alaska Peninsula
This website is supported by the U.S. Geological Survey under Cooperative Agreement Grant G22AC00137
Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey.