Tsubasa Otake
Pennsylvania State University
Current Projects
- Evolution of Atmospheric O2, Climate, and Biosphere (Ohmoto) — 2007 NAI
- Evolution of Atmospheric O2, Climate, and Biosphere (Ohmoto) — 2006 NAI
- Evolution of Atmospheric O2, Climate, and Biosphere - Ohmoto — 2005 NAI
- The Evolution of a Habitable Planet — 2004 NAI
- Evolution of Atmospheric O2, Climate, and Biosphere - Ohmoto — 2003 NAI
- View all 5 projects
NAI Project Collaborators
- Project collaborators as reported by the latest NAI Annual Report.
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Publications
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Hoashi, M., Bevacqua, D. C., Otake, T., Watanabe, Y., Hickman, A. H., Utsunomiya, S., & Ohmoto, H. (2009). Primary haematite formation in an oxygenated sea 3.46 billion years ago. Nature Geosci, 2(4), 301–306. doi:10.1038/ngeo465
See Project See Project -
Otake, T., Wesolowski, D. J., Anovitz, L. M., Allard, L. F., & Ohmoto, H. (2010). Mechanisms of iron oxide transformations in hydrothermal systems. Geochimica et Cosmochimica Acta, 74(21), 6141–6156. doi:10.1016/j.gca.2010.07.024
See Project - Ohmoto, H., Lasaga, A.C., Watanabe, Y. & Otake, T. (In Preparation). Anomalous isotope fractionations of sulfur. Geochemical. See Project
- Otake, T. & Watanabe, Y. (2011). Using multiple sulfur isotopes to understand the Earth’s surface environments during the Archean era. Geochemical Journal, 45: 251-264. See Project
- Otake, T. & Watanabe, Y. (In Press). Using multiple sulfur isotopes to understand the Earth’s surface environments during the Archean era. Geochemical. See Project
- Otake, T., Lasaga, A.C., Watanabe, Y. & Ohmoto, H. (2009). Theoretical investigations of anomalous fractionation of sulfur isotopes during a surface reaction. AGU Fall Meeting, San Francisco, CA. EOS, 90(52): V11A-1932. See Project
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Email:
totake@geosc.psu.edu