You are here

Stephen Monson Geerts

head and shoulder picture of man

Professional title

Senior Research Geologist


Stephen Monson Geerts is a Senior Geologist within the Mining, Minerals, and Metallury Group at the NRRI. He currently manages the Mineral & Materials Characterization Division within the group and has over 25 years of applied research experience in northeastern Minnesota with igneous geology and petrography of economic deposits (NorthMet) within the Duluth Complex; mineral particulate matter characterization related to the taconite industry; and hydrogeologic and environmental experience in regards to mineland reclamation and drainage. He is also a Registered Professional Geologist in the state of Minnesota.


  • M.S. in Geology, with a Hydrogeology minor, University of Minnesota Duluth, 1994
  • B.S. in Geology, University of Minnesota Duluth, 1984