An image of quartz grain seen through an optical microscope using cross polarized light. May 17, 2023  News Creating new, more accurate methods for quantifying the stress and flow rate experienced by deforming rocks at the boundaries of moving tectonic plates is the goal of a University of Maine study funded with a $392,372 National Science read more 91¸£Àû researchers developing new method to quantify stress and flow rate in deforming rocks