Search

Start Over Graduate Program Geosciences Committee Member Hiroshi Ohmoto

1. Life's Influence on the Sedimentary Record: The Interplay of Ocean Chemistry, Circulation, and the Biological Pump

open_access
Open Access
Author:
Hotinski, Roberta Michelle
Title:
Life's Influence on the Sedimentary Record: The Interplay of Ocean Chemistry, Circulation, and the Biological Pump
Graduate Program:
Geosciences
Keywords:
ocean stagnation
Pethei
Permian
Precambrian
carbon isotopes
anoxia
biogeochemical cycles
File:
Download Thesis.pdf
Committee Members:
Hiroshi Ohmoto, Committee Member
Lee Kump, Committee Chair/Co-Chair
Michael Allan Arthur, Committee Member
Raymond Gabriel Najjar Jr., Committee Member

2. AN EXPERIMENTAL INVESTIGATION OF MULTIPLE SULFUR ISOTOPE FRACTIONATIONS DURING HETEROGENEOUS REACTIONS BETWEEN SO2 AND ACTIVATED CARBON

open_access
Open Access
Author:
Hamasaki, Hiroshi
Title:
AN EXPERIMENTAL INVESTIGATION OF MULTIPLE SULFUR ISOTOPE FRACTIONATIONS DURING HETEROGENEOUS REACTIONS BETWEEN SO2 AND ACTIVATED CARBON
Graduate Program:
Geosciences
Keywords:
Sulfur isotopes
adsorption
activated carbon
sulfur dioxide
File:
Download Hama_MS_thesis_final.pdf
Committee Members:
Hiroshi Ohmoto, Thesis Advisor/Co-Advisor
Hiroshi Ohmoto, Thesis Advisor/Co-Advisor
Dr Yumiko Watanabe, Thesis Advisor/Co-Advisor

3. 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

4. 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

5. Neoproterozoic Sulfur Isotopes, Snowball Earth Events and the Evolution of Microbial Sulfur Species

open_access
Open Access
Author:
Hurtgen, Matthew T.
Title:
Neoproterozoic Sulfur Isotopes, Snowball Earth Events and the Evolution of Microbial Sulfur Species
Graduate Program:
Geosciences
Keywords:
sulfur isotopes
Neoproterozoic
snowball Earth
sulfate concentrations
Precambrian
Namibia
File:
Download thesis.pdf
Committee Members:
Michael Allan Arthur, Committee Chair/Co-Chair
Lee Kump, Committee Member
Hiroshi Ohmoto, Committee Member
Charles Raymond Fisher Jr., Committee Member

6. 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

7. Understanding Redox Processes in Surface Environments from Iron Oxide Transformations and Multiple Sulfur Isotope Fractionations

open_access
Open Access
Author:
Otake, Tsubasa
Title:
Understanding Redox Processes in Surface Environments from Iron Oxide Transformations and Multiple Sulfur Isotope Fractionations
Graduate Program:
Geosciences
Keywords:
mass-independent fractionation
sulfur isotope
banded iron formation
transformation
iron oxide
ab initio calculation
File:
Download Otake_thesis_2008.pdf
Committee Members:
Hiroshi Ohmoto, Committee Chair/Co-Chair
Hubert Lloyd Barnes, Committee Member
Susan Louise Brantley, Committee Member
Peter J Heaney, Committee Member
Kwadwo Osseo Asare, Committee Member
David J Wesolowski, Committee Member

8. 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