1. Surface Microanalysis of Staining on Vertebrate Fossil Bone from the Santa Fe River, Florida Open Access Author: Foecke, Kimberly Kjaisa Title: Surface Microanalysis of Staining on Vertebrate Fossil Bone from the Santa Fe River, Florida Graduate Program: Geosciences Keywords: Black stainingfossilsmicroanalysiselectron probeEDSWDS File: Download Foecke_Final_updated.pdf Committee Members: Peter J Heaney, Thesis Advisor/Co-AdvisorRussell W Graham, Thesis Advisor/Co-AdvisorMaureen Feineman, Thesis Advisor/Co-Advisor
2. Micro-Scale Sulfur and Carbon Isotope and Trace Metal Analysis of a Neoarchean Stromatolite: Evidence for a Redox Transition in Epeiric Platform Carbonates Prior to the Great Oxidation Event Open Access Author: Ilhardt, Peter Donald Title: Micro-Scale Sulfur and Carbon Isotope and Trace Metal Analysis of a Neoarchean Stromatolite: Evidence for a Redox Transition in Epeiric Platform Carbonates Prior to the Great Oxidation Event Graduate Program: Geosciences Keywords: NeoarcheanStromatoliteGeochemistrySulfur IsotopesCarbon IsotopesTrace MetalsGreat Oxidation EventPyriteMicroanalysisMass-Independent Fractionation File: Download Ilhardt_PSU_Thesis.pdf Committee Members: Christopher Howard House, Thesis Advisor/Co-AdvisorPeter J Heaney, Committee MemberMichael Allan Arthur, Committee Member