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Author:

Zerkle, Aubrey L.

Title:

Microbial Trace Metal Requirements: Limiting Nutrients and Potential Biosignatures

Graduate Program:

Geosciences

Keywords:

trace metals
biogeochemistry
nitrogen fixation
metal limitation
metallomics
biogeochemical cycling

File:

Download DISS_FINAL_ZERKLE.pdf

Committee Members:

Christopher Howard House, Committee Chair/Co-Chair
Susan Louise Brantley, Committee Member
Lee Kump, Committee Member
Hunter J Carrick, Committee Member
Donald E Canfield, Committee Member

Author:

Krug, Andrew Zachary

Title:

TAXIC AND PHYLOGENETIC APPROACHES TO UNDERSTANDING THE LATE ORDOVICIAN MASS EXTINCTION AND EARLY SILURIAN RECOVERY

Graduate Program:

Geosciences

Keywords:

recovery
mass extinction
Late Ordovician
diversity

File:

Download Andrew_Z._Krug_Dissertation.pdf

Committee Members:

Mark E Patzkowsky, Committee Chair/Co-Chair
Timothy Bralower, Committee Member
Christopher Howard House, Committee Member
Peter Daniel Wilf, Committee Member
Alan Walker, Committee Member

Author:

Buss, Heather L.

Title:

Biogeochemical Weathering of Iron-Silicate Minerals

Graduate Program:

Geosciences

Keywords:

spheroidal weathering
biotite
hornblende
iron cycling
siderophores
etch pits

File:

Download BussThesisFinal.pdf

Committee Members:

Susan Louise Brantley, Committee Chair/Co-Chair
Maryann Victoria Bruns, Committee Member
Lee Kump, Committee Member
Christopher Howard House, Committee Member