Outcrop on the northeast shoulder of Jumbo Dome, station 11JDCEC001. Both gray and red hornblende andesite with 1-2% green clinopyroxene were present.

Outcrop on the northeast shoulder of Jumbo Dome, station 11JDCEC001. Both gray and red hornblende andesite with 1-2% green clinopyroxene were present.

Date: Sep 9th, 2011
Volcano(es): Jumbo Dome
Photographer: Cameron, C. E.
URL: avo.alaska.edu/image/view/40492
Image courtesy of the AVO/ADGGS.
Please cite the photographer and the Alaska Volcano Observatory / Alaska Division of Geological & Geophysical Surveys when using this image.
Full Resolution.