Applications are invited for a Ph.D. opportunity in geochemistry with an initial three-year research assistantship in the Department of Geological Sciences at the University of Missouri—Columbia, U.S.A. The research assistantship is for a project aimed at experimentally quantifying the partitioning of base metals between brine and dolomite under conditions typical for the formation of hydrothermal sediment-hosted base metal ore deposits. The Ph.D. position and research assistantship will begin on January 18, 2022. Application instructions can be found at https://geology.missouri.edu/graduate-program. The application deadline is November 1, 2021. For more information, please contact Martin Appold at email@example.com.