USGS

 

tectonic plates of the world

The layer of the Earth we live on is broken into a dozen or so rigid slabs (called tectonic plates by geologists) that are moving relative to one another.

"Historical perspective"

URL: http://pubs.usgs.gov/publications/text/slabs.html
Last updated: 09.19.11
Contact: jmwatson@usgs.gov