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1. Understanding Redox Processes in Surface Environments from Iron Oxide Transformations and Multiple Sulfur Isotope Fractionations

open_access
Open Access
Author:
Otake, Tsubasa
Title:
Understanding Redox Processes in Surface Environments from Iron Oxide Transformations and Multiple Sulfur Isotope Fractionations
Graduate Program:
Geosciences
Keywords:
mass-independent fractionation
sulfur isotope
banded iron formation
transformation
iron oxide
ab initio calculation
File:
Download Otake_thesis_2008.pdf
Committee Members:
Hiroshi Ohmoto, Committee Chair/Co-Chair
Hubert Lloyd Barnes, Committee Member
Susan Louise Brantley, Committee Member
Peter J Heaney, Committee Member
Kwadwo Osseo Asare, Committee Member
David J Wesolowski, Committee Member

2. Isotopic and trace metal geochemistry of calcite, gypsum, and pyrite as proxies for ancient life and environments

open_access
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:
Achromatium
pyrite
Fe isotope
biosignature
sulfur isotope
molybdenum
biofilms
reactive transport modeling
gypsum
calcite
File:
Download Final_thesis_Muammar_revised_April2017.pdf
Committee Members:
Matthew Fantle, Dissertation Advisor/Co-Advisor
Jennifer Macalady, Committee Chair/Co-Chair
Christopher House, Committee Member
Christopher House, Committee Member
Li Li, Outside Member