1. Isotopic and trace metal geochemistry of calcite, gypsum, and pyrite as proxies for ancient life and environments Open Access Author: Mansor, Muammar Title: Isotopic and trace metal geochemistry of calcite, gypsum, and pyrite as proxies for ancient life and environments Graduate Program: Geosciences Keywords: AchromatiumpyriteFe isotopebiosignaturesulfur isotopemolybdenumbiofilmsreactive transport modelinggypsumcalcite File: Download Final_thesis_Muammar_revised_April2017.pdf Committee Members: Matthew Fantle, Dissertation Advisor/Co-AdvisorJennifer Macalady, Committee Chair/Co-ChairChristopher House, Committee MemberChristopher House, Committee MemberLi Li, Outside Member