Dr. Duke is the Director of the EMES where he manages overall lab operation. He joined the South Dakota School of Mines and Technology in 1984 as a Research Scientist in the Institute for the Study of Mineral Deposits. He holds a B.S. degree from Beloit College and M.A. and Ph.D. degrees from Dartmouth College. Dr. Duke's research has included work on granites and pegmatites, carbon migration and graphite deposits, geochemistry of metamorphic rocks, and mineral reactions in concrete. His recent research focuses on applications of field-based infrared spectroscopy and remote sensing to characterize processes in metamorphic rocks. He also teaches the course GEOL 656L: Scanning Electron Microscopy.

edward.duke@sdsmt.edu | 605-394-2388 | Office: NMI 113J

Dr. Beeler is a Research Scientist III in the EMES and manages the ICP-MS, XPS, IC, GC-MS, and associated sample preparation facilities. He joined the EMES in 2019 after completing his Ph.D. in Earth and Planetary Sciences at Washington University in St. Louis. Dr. Beeler's research focuses on understanding biogeochemical processes and how these processes can be reconstructed in the geologic record using geochemical proxies. He also teaches the course GEOL 624L: Analytical Methods in Geochemistry.

scott.beeler@sdsmt.edu | 605-219-8245 | Office: NMI 349

Dr. Petersen is a Research Scientist III in the EMES and manages the SEM, XRD, TEM, and associated sample preparation facilities. He joined the EMES in 2019 after completing his Ph.D. in Metallurgical Engineering at South Dakota Mines. Dr. Petersen's research focuses on the creation and characterization of advanced materials. He also teaches the course MES656: Introduction to Scanning Electron Microscopy and Focused Ion Beam.

jacob.petersen@sdsmt.edu | 605-394-2380 |Office: NMI 113I