I’m not sure where it is, I read about it back in the 80’s or thereabouts. I remember it’s in Canada and I believe it’s called the “Sudbury Astroblem” - but short of doing a web search, (hint!), that’s all I remember
I’m not sure where it is, I read about it back in the 80’s or thereabouts. I remember it’s in Canada and I believe it’s called the “Sudbury Astroblem” - but short of doing a web search, (hint!), that’s all I remember