Next, mantle motions pulled North America westward over Farallon, and the plate scraped along the bottom of the continent - for fifteen hundred kilometers. As North America continued its westward trek, Farallon settled to the bottom of the mantle.
The image is output from a model run using the TERRA mantle software. To read more about Hans-Peter Bunge's work of that time (2000), visit the following story:
To learn more about Bunge's more recent work, visit his web site at: http://www.geophysik.uni-muenchen.de/Members/bunge.