Photomicrograph of thin section made from sample 09RDWES301 (a 2009 Redoubt eruption sample.) The blue material is colored epoxy filling void spaces. The greenish object in the center of the slide is clinopyroxene, and is approximately 50 microns long. The rest of the slide is glass filaments (greyish threads) and plagioclase (white, larger pieces). More information about this sample at this link: http://www.avo.alaska.edu/samples/sample_info.php?sampleID=34735
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.
To obtain a high-resolution image, open the full size
page. Then, right click on the image and click
"Save Image As..." or "Save Picture as..."