Adam Simon Author

Dexter Perkins is a Professor at the University of North Dakota, USA. He was an undergraduate at the University of Rochester before moving to Ann Arbor to attend Law School at the University of Michigan, USA. He subsequently transferred to Michigan's Department of Geology and received a masters and a PhD degree. He is presently (in 2019) in his 38th year at UND.

Kevin R. Henke is retired from the Center for Applied Energy Research (CAER) at the University of Kentucky, USA. He obtained his M.S. in Geology at the University of North Dakota in 1984, and his Ph.D. at the same university in 1997. His interests range from topics such as metamorphic petrology, mineralogy and geochemistry.

Adam Simon is Professor of Earth and Environmental Sciences at the University of Michigan, USA. He obtained his Ph.D at the University of Maryland in 2003. His fields of study are economic geology, igneous petrology and geochemistry.

Lance D. Yarbrough is Assistant Professor of Geology and Geological Engineering at the University of Mississippi, USA, where he obtained his Ph.D. in 2006. His areas of expertise include engineering geology, remote sensing, and geotechnical engineering.