subarcticmike:
Melted Chaos in Sudbury Impact Crater
subarcticmike:
Microtektite ejecta matrix in Thunder Bay
subarcticmike:
Gunflint Trail Sudbury Impact Layer_ poster, stratigraphy, stops and story
subarcticmike:
Asteroid tsunami in Gunflint iron formation
subarcticmike:
Asteroid whiplash in Gunflint iron formation
subarcticmike:
Really Bad Day on Proterozoic Earth
subarcticmike:
they call me the "Space Cowboy"?
subarcticmike:
shatter cone from Slate Islands impact crater
subarcticmike:
Tektite Bowtie
subarcticmike:
Regmaglympt
subarcticmike:
Canyon Diablo meteorite with a whistle
subarcticmike:
inside Canyon Diablo meteor impact crater
subarcticmike:
really bad day 66 million years ago