re: What are crossbeds?
What strikes me about these sections is how thin the ejecta is. I believe it but can't understand how we don't see more material blown out of such a big hole or the folded back beds.
Space/Science » in reply to re: What are crossbeds?
What strikes me about these sections is how thin the ejecta is. I believe it but can't understand how we don't see more material blown out of such a big hole or the folded back beds.