College of Arts and Sciences 3 credit(s) Upon sufficient interestDouble Numbered with: EAR 644 Methods used in Earth Sciences to determine temperature-time histories of crustal terranes including 40Ar/39Ar, fission track, and U-Th/He techniques. Diffusion theory and applications of thermochronology to tectonics and landscape evolution, P-T-t paths of crustal terranes. Additional work required of graduate students.