Earth's Interior and Plate Tectonics

Calvin Hamilton, Views of the Solar System

This web page describes the composition and structure of the Earth and the seismic methods used to distinguish the divisions of the Earth's interior. It describes the major characteristics of the inner core, the outer core, the D" layer, the lower mantle, the transition region of the mantle, the upper mantle, the oceanic crust, and the continental crust. It also discusses lithospheric processes and plate tectonics.

This description of a site outside SERC has not been vetted by SERC staff and may be incomplete or incorrect. If you have information we can use to flesh out or correct this record let us know.

This resource originally cataloged at:


Grade Level: High School (9-12), College Lower (13-14)
Topics: Chemistry/Physics/Mathematics