Hoffman, Adam Timothy2021-05-252021-05-252007-01https://hdl.handle.net/11299/220203A Thesis submitted to the faculty of the Graduate School of the University of Minnesota by Adam Timothy Hoffman in partial fulfillment of the requirements for the degree of Master of Science, January 2007. This item has been modified from the original to redact the signatures present. Plate 1 referenced in the thesis is also attached to this record.en-USUniversity of Minnesota DuluthPlan As (thesis-based master's degrees)Department of Earth and Environmental SciencesMaster of ScienceMaster of Science in Geological SciencesLithostratigraphy, Hydrothermal Alteration, and Lithogeochemistry of Neoarchean Rocks in the Lower and Soudan Member of the Ely Greenstone Formation, Vermilion District, Northeastern Minnesota: Implications for Volcanogenic Massive SulfidesThesis or Dissertation