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IMAGE 178421
AVO Image

Thin section crossed-polarized light photomicrograph of a radial plagioclase phenocryst in a May 25, 2021, Great Sitkin breadcrust bomb. Smaller clinopyroxene and orthopyroxene phenocrysts are visible along with microlitic groundmass and glass.

Date: September 24, 2021 12:00 AM
Volcano(es):Great Sitkin
Photographer/Creator: Loewen, Matt
URL:http://www.avo.alaska.edu/images/image.php?id=178421

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Image courtesy of AVO/USGS.
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Page modified: December 23, 2019 16:01
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