7 ms·
What were the prevailing theories at the time?
What were the prevailing theories at the time?
Oh man, it's been years. I'm visiting this weekend and I'll take a whirl through those old books.
Decent (shortish) summary here
https://en.wikipedia.org/wiki/Orogeny#History_of_the_concept https://en.wikipedia.org/wiki/Orogeny#History_of_the_concept