tectonic To do with the deformation of the crust of a planet or large moon, the forces that cause such deformation, and the resulting structures. Landforms that arise from tectonic processes include mountain ranges, rift valleys, faults, fractured rock, and folded rock masses. See also tectonic plate and plate tectonics. Related category GEOLOGY AND PLANETARY SCIENCE Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |