Lab Personnel: Prof. Tom Johnson, Prof. Craig Lundstrom, Prof. Willy Guenthner, Prof. Jenny Druhan, Dr. Josh Smith

Overview: The Isotope Geochemistry Lab analyzes a wide variety of elements and isotopes that span almost the entire periodic table. Research in this lab falls into the broad areas of petrology, environmental geochemistry, and geochronology.


  • Thermo iCAP Q inductively coupled plasma mass spectrometer (ICP-MS)
  • Nu Plasma HR multicollecter ICP-MS
  • Analyte Excite excimer laser, which can be coupled to either mass spectometer for laser ablation ICP-MS studies