Left: Backscatter SEM micrograph (left) and SEM-EDS false color map for sulfur (right) showing needle-like anhydrite crystals extending outward from an anhydrite nodule into a dolomite matrix. This rock sample comes from the Brown-Snowplow 1-5 well in the Michigan Basin. The micrograph was collected by Brianna Salome, WMU alumna, and Mohammed Al-Musawi, CPCL researcher.
