When and where did the ancient Iapetus Ocean suture (the most fundamental Appalachian structure) form? Is part of New England made up of ancient African-derived rocks? What is the Moretown terrane? A new study finds new evidence for an earlier closing of the Iapetus that is farther west than previous studies have reported.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/k...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/k...