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Author:

Roberson, April Lynne

Title:

GREENHOUSE WARMING BY NITROUS OXIDE AND METHANE IN THE PROTEROZOIC EON

Graduate Program:

Geosciences

Keywords:

Proterozoic
Nitrous Oxide
Methane

File:

Download RobersonThesisUpdated.pdf

Committee Members:

James Kasting, Thesis Advisor/Co-Advisor
James Kasting, Thesis Advisor/Co-Advisor

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:

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