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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

Author:

Kharecha, Pushker A

Title:

A Coupled Atmosphere-Ecosystem Model of the Early Archean Biosphere

Graduate Program:

Geosciences

Keywords:

Archean
methane
early Earth
atmospheric evolution
anaerobic ecosystem

File:

Download Thesis.pdf

Committee Members:

James Kasting, Committee Chair/Co-Chair
Lee Kump, Committee Member
Christopher Howard House, Committee Member
S Blair Hedges, Committee Member

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

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

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

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

Author:

Payne, Rebecca

Title:

CO2, O2, and the History of the Greenhouse Effect: Select Problems in the Evolution of Earth's Atmosphere and Climate

Graduate Program:

Geosciences

Keywords:

geoscience
climate
paleoclimate
astrobiology
photochemistry
climate modeling
Archean
Phanerozoic
Earth history
Earth climate
geology

File:

Download RCPayne_PhDdissertation_final.pdf

Committee Members:

James Kasting, Dissertation Advisor/Co-Advisor
James Kasting, Committee Chair/Co-Chair
Christopher Howard House, Committee Member
Julie Genevieve Cosmidis, Committee Member
Raymond Gabriel Najjar, Jr., Outside Member
Mark E Patzkowsky, Program Head/Chair