Geologists have long predicted that North and South America will eventually fuse together and merge with Asia, forming a new supercontinent along the lines of the ancient Pangea — the precursor to today’s great land masses, which separated about 200 million years ago.
Here are two interesting links about the future continent.
http://news.sciencemag.org/sciencenow/2012/02/meet-amasia-the-next-supercontin.html