Geology: Cordilleran terrane collage in North America

Geologists have now provided conclusions regarding the North American Cordillera that they say "are provocative in that they blur the definition of tectonic terranes, showing that many observations of early geologists can be attributed to evolving geologic processes rather than disparate geologic histories."

Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/U...