*What is a tectonic plate? tectonic plate tectonic plate tectonic plate slabs of rock on the surface of the Earth tectonic plate tectonic plate tectonic plate Tectonic plates slabs of rock on the surface of the Earth pubs.usgs.gov tectonic plate tectonic plate *What is a tectonic plate? Tectonic plates tectonic plate tectonic plates tectonic plate tectonic plates tectonic plates tectonic plate tectonic plate tectonic plate tectonic tectonic plates tectonic plates Tectonic plates http://pubs.usgs.gov/gip/dynamic/tectonic.html slabs of rock on the surface of the Earth tectonic plate tectonic plate slabs of rock on the surface of the Earth tectonic plates tectonic plate tectonic plate tectonic plate tectonic plates slabs of rock on the surface of the Earth tectonic plate tectonic plate a quick overview from the USGS tectonic plate a quick overview from the USGS *What is a tectonic plate? Tectonic plates tectonic plate tectonic plate tectonic plate tectonic plate tectonic plates tectonic plates slabs of rock on the surface of the Earth Tectonic plates tectonic plate tectonic plate pubs.usgs.gov tectonic plate tectonic plates