not needed.. basin classification
sedimentary basins
Plate Tectonics, Earthquake & Volcano
Theory of Plate Tectonics Plate Tectonics Plate Boundaries Causes of Plate Tectonics.
Plate tectonics
Naturalists at Large: Plate tectonics
Plate Tectonics
Gel 201 lecture 13
Mountain building
Tectonic Processes and Landscapes
"Granites" Classification, Petrogenesis and Tectonic Descrimination