Matrix of the lower part of the map unit Peregrine glaciovolcanic deposits (see http://doi.org/10.14509/29718 for additional details). The matrix consists of fragmented, variably oxidized, monolitholgic debris, including loose cm-sized individual pyroxene crystals, that we believe formed during eruption into water impounded beneath glacial ice.
Date: Aug 10th, 2009
Volcano(es): Kasatochi
Photographer: Nye, Christopher
URL: avo.alaska.edu/image/view/116231
Image courtesy of the AVO/ADGGS.Volcano(es): Kasatochi
Photographer: Nye, Christopher
URL: avo.alaska.edu/image/view/116231
Please cite the photographer and the Alaska Volcano Observatory / Alaska Division of Geological & Geophysical Surveys when using this image.
Full Resolution.