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Contact: Kea Giles
Geological Society of America

Tubular Features in 15 Million-year-old Impact Glass from the Ries Impact Structure, Germany

Caption: This shows tubular features in 15 million-year-old impact glass from the Ries Impact Structure, Germany. See related article by H.M Sapers et al., http://dx.doi.org/10.1130/G35293.1.

Credit: H.M. Sapers et al./Geology

Usage Restrictions: Credit to authors & Geology

Related news release: Scratching the surface: Microbial etchings in impact glass and the search for life on Mars

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