
GSCI104: Geology of Skyline Drive
GGEOL115: Earth Systems, Cycles, and Human Impacts
GEOL110: Physical Geology and Physical Geology Lab
GEOL300: Introduction to Petrology
Petrologic and geochemical investigations of volcanic rocks and their xenoliths, or inclusions. Recent projects include thermobarometry and infrared spectroscopy of mantle xenoliths and whole-rock geochemistry of crustal xenoliths within the Eocene volcanic rocks of western Virginia. For more information, visit http://educ.jmu.edu/~johns2ea/research.htm