EARTH SCIENCE > CLIMATE INDICATORS > PALEOCLIMATE INDICATORS > PLATE TECTONICS
A theory of global tectonics in which the lithosphere is divided into a number of plates whose pattern of horizontal movement is that of torsionally rigid bodies that interact with one another at their boundaries, causing seismic and tectonic activity along these boundaries.
Jackson, J.A.(1997) Glossary of Geology. 4th ed. Alexandria, VA:American Geological Institute.769 p.