The East Coast earthquake came from a fault that's been asleep for hundreds of millions of ...
That means it came from a region of faults called the Appalachian fold-and-thrust belt, which is much more ancient and quiet ...
来自MSN2 个月
Denali Fault found to have torn apart ancient joining of two landmasses
That paper asserted similarities in the Denali Fault region later studied by Regan, but only went as far as labeling them as a single metamorphic-plutonic belt. A metamorphic-plutonic belt is a ...