A hot blob of rock beneath New Hampshire may be helping the Appalachian Mountains stand so tall. The rock mass is slowly on the move, headed one day for New York.
There’s a giant blob of incredibly hot rock beneath New Hampshire — and it may be part of the reason the Appalachian Mountains are still standing tall, according to new research. It has, however, been slowly moving and is on course for New York in th... [9140 chars]