2008 pyroclastic flows - unanalyzed scoria. Single 20-cm brown pumice from lower of 2 conspicuous coarse-grained fall deposits; clots of large hb and plag. Dark, brownish-gray scoria. Abt inclusions of cm-sized amph, plag, microgabbro. Also wispy banding (mm x cm) w/ lt brownish-gray magma. NOT ANALYZED because of inclusions.
Geology of Kasatochi volcano, Aleutian Islands, Alaska
This website is supported by the U.S. Geological Survey under Cooperative Agreement Grant G19AC00060 and G19AC00171.
Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey.