I came across a presentation from geophysicist Mark Richards at the University of Washington, that discusses this. I don't know a whole lot about this stuff, b

I came across a presentation from geophysicist Mark Richards at the University of Washington, that discusses this. I don't know a whole lot about this stuff, but the information as he presents it seems compelling. Loads of fossilized fish with tektites clogging up their gills. https://www.youtube.com/watch?v=oDiZRonhoa8 https://www.youtube.com/watch?v=oDiZRonhoa8