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1. THE EARTH’S OLDEST (~3.4 GA) PALEOSOL AT TRENDALL RIDGE IN THE NORTH POLE DOME REGION OF THE EAST PILBARA CRATON, WESTERN AUSTRALIA.

open_access
Open Access
Author:
Johnson, Ian Matthew
Title:
THE EARTH’S OLDEST (~3.4 GA) PALEOSOL AT TRENDALL RIDGE IN THE NORTH POLE DOME REGION OF THE EAST PILBARA CRATON, WESTERN AUSTRALIA.
Graduate Program:
Geosciences
Keywords:
Paleosol
Archean
Pilbara
Iron and Aluminum Mobility
File:
Download IJohnson_thesis.pdf
Committee Members:
Hiroshi Ohmoto, Thesis Advisor/Co-Advisor
Hiroshi Ohmoto, Thesis Advisor/Co-Advisor

2. Geochemistry of Archean–Paleoproterozoic Black Shales: The Early Evolution of the Atmosphere, Oceans, and Biosphere

open_access
Open Access
Author:
Yamaguchi, Kosei
Title:
Geochemistry of Archean–Paleoproterozoic Black Shales: The Early Evolution of the Atmosphere, Oceans, and Biosphere
Graduate Program:
Geosciences
Keywords:
N2 fixation
Carbon
Photosynthesis
Sulfur
Sulfate reduction
Stable Isotopes
Proterozoic
Continental Crust
Black Shales
Paleoproterozoic
Anoxic
Pilbara
Hamersley
Iron
Australia
Nitrogen
Archean
Oxic
Pyrite
Thorium
Nitrification
Denitrification
Uranium
Molybdenum
Methanogenesis
Griqualand West
Witwatersrand
Barberton
South Africa
File:
Download Kosei.pdf
Committee Members:
Lee Kump, Committee Member
Raymond Gabriel Najjar Jr., Committee Member
Hiroshi Ohmoto, Committee Chair/Co-Chair
Michael Allan Arthur, Committee Member

4. Modeling isotopic proxies for the oxygenation of the earths surface

open_access
Open Access
Author:
Domagal-Goldman, Shawn David
Title:
Modeling isotopic proxies for the oxygenation of the earths surface
Graduate Program:
Geosciences
Keywords:
Archean
Isotope Geochemistry
Atmospheric Models
Molecular Models
File:
Download Domagal-Goldman.pdf
Committee Members:
James David Kubicki, Committee Chair/Co-Chair
James Kasting, Committee Chair/Co-Chair
Michael Allan Arthur, Committee Member
Jorge Osvaldo Sofo, Committee Member

5. Detrital uraninite and the early Earth's atmosphere: SIMS analyses of uraninite in the Elliot Lake district and the dissolution kinetics of natural uraninite

open_access
Open Access
Author:
Ono, Shuhei
Title:
Detrital uraninite and the early Earth's atmosphere: SIMS analyses of uraninite in the Elliot Lake district and the dissolution kinetics of natural uraninite
Graduate Program:
Geosciences
Keywords:
Proterozoic
atmosphere
oxygen
dissolution kinetics
quartz-pebble conglomerate
SIMS
Archean
detrital
uraninite
File:
Download S.Ono_PhD_Thesis.pdf
Committee Members:
Hiroshi Ohmoto, Committee Chair/Co-Chair
Kwadwo Asare Osseo Asare, Committee Member
Peter J Heaney, Committee Member
Lee Kump, Committee Member

6. The Late Archean biosphere: Implications of organic and inorganic geochemistry of marine shales and terrestrial paleosols

open_access
Open Access
Author:
Watanabe, Yumiko
Title:
The Late Archean biosphere: Implications of organic and inorganic geochemistry of marine shales and terrestrial paleosols
Graduate Program:
Geosciences
Keywords:
geochemistry
biosphere
organic matter
shale
Archean
paleosol
File:
Download YumikoWatanabethesis.pdf
Committee Members:
Blair Hedges, Committee Member
Hiroshi Ohmoto, Committee Chair/Co-Chair
Katherine Haines Freeman, Committee Member
Michael Allan Arthur, Committee Member

9. mechanisms of sulfur isotope fractionation during thermochemical sulfate reduction by amino acids: implications for the Mif-s record in archean rocks

open_access
Open Access
Author:
Chorney, Andrew Philip
Title:
mechanisms of sulfur isotope fractionation during thermochemical sulfate reduction by amino acids: implications for the Mif-s record in archean rocks
Graduate Program:
Geosciences
Keywords:
sulfur
isotopes
TSR
Archean
MIF-S
mass independent
atmosphere evolution
oxygenation
File:
Download Masters_Thesis-Andrew_Chorney-edit1.pdf
Committee Members:
Hiroshi Ohmoto, Thesis Advisor/Co-Advisor
Matthew Scott Fantle, Thesis Advisor/Co-Advisor
Christopher Howard House, Thesis Advisor/Co-Advisor

10. Oxygen as a Biosignature on Terrestrial Planets

open_access
Open Access
Author:
Harman, Chester Ervin
Title:
Oxygen as a Biosignature on Terrestrial Planets
Graduate Program:
Geosciences
Keywords:
oxygen
sulfur
mass independent fractionation
false positive
Archean
atmospheric chemistry
planetary science
File:
Download Harman_dissertation_05312017.pdf
Committee Members:
James F. Kasting, Dissertation Advisor/Co-Advisor
James F. Kasting, Committee Chair/Co-Chair
Christelle Wauthier, Committee Member
Christopher Howard House, Committee Member
Steinn Sigurdsson, Outside Member