Out hunting for tectites - glass formed by a meteor impact, when the substrate melts - with @aregberg and friends. These are strewn about the Wellborn Formation and can be tough to differentiate from black chert, asphalt, and charcoal. Here’s what we are looking for: pic.twitter.com/SlI1OOIS5B
— Kayla Iacovino (@kaylai) January 27, 2019
via Twitter https://twitter.com/kaylai
January 28, 2019 at 01:47AM
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