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IMAGE 182183
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Fragment of a light colored trachyte pumice of the 2016-17 Bogoslof eruption. Please note the 3-cm-diameter cavity with a dark, dense lithic fragment suspended on the web of glass needles. This cavity likely formed as the result of heterogeneous nucleation of vesicles at the surface of lithic fragment during re-melting of the trachyte xenolith by host basalt.

Date: July 14, 2019 1:35 PM
Photographer/Creator: Izbekov, Pavel

Citation Information:
Image courtesy of the AVO/UAF-GI.
Please cite the photographer and the Alaska Volcano Observatory / University of Alaska Fairbanks, Geophysical Institute when using this image.

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Page modified: December 23, 2019 16:01
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