NAI
Gregory Brennecka
Arizona State University
Current Projects
- Astrophysical Controls on the Elements of Life, Task 1: High-Precision Isotopic Studies of Meteorites — 2010 NAI
- Stoichiometry of Life, Task 3a: Ancient Records - Geologic — 2010 NAI
- Astrophysical Controls on the Elements of Life, Task 1: High-Precision Isotopic Studies of Meteorites — 2009 NAI
- View all 3 projects
NAI Project Collaborators
- Project collaborators as reported by the latest NAI Annual Report.
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Publications
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Bouvier, A., Spivak-Birndorf, L. J., Brennecka, G. A., & Wadhwa, M. (2011). New constraints on early Solar System chronology from Al–Mg and U–Pb isotope systematics in the unique basaltic achondrite Northwest Africa 2976. Geochimica et Cosmochimica Acta, 75(18), 5310–5323. doi:10.1016/j.gca.2011.06.033
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Brennecka, G. A., Herrmann, A. D., Algeo, T. J., & Anbar, A. D. (2011). Rapid expansion of oceanic anoxia immediately before the end-Permian mass extinction. Proceedings of the National Academy of Sciences, 108(43), 17631–17634. doi:10.1073/pnas.1106039108
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Brennecka, G. A., Wasylenki, L. E., Bargar, J. R., Weyer, S., & Anbar, A. D. (2011). Uranium Isotope Fractionation during Adsorption to Mn-Oxyhydroxides. Environ. Sci. Technol., 45(4), 1370–1375. doi:10.1021/es103061v
See Project See Project -
Brennecka, G. A., Weyer, S., Wadhwa, M., Janney, P. E., Zipfel, J., & Anbar, A. D. (2009). 238U/235U Variations in Meteorites: Extant 247Cm and Implications for Pb-Pb Dating. Science, 327(5964), 449–451. doi:10.1126/science.1180871
See Project See Project - Brennecka, G.A., Herrmann, A.D., Saltzman, M.R. & Anbar, A.D. (2009). Using 238U/235U ratios in carbonates as a paleoredox indicator: variations across the Permian-Triassic boundary. Geological Society of America. Portland, OR. See Project
- Brennecka, G.A., Wadhwa, M., Janney, P.E. & Anbar, A.D. (2010). Towards reconciling early Solar System chronometers: The 2388U/235U ratios of shondrites and D’Orbigny pyroxenes. Lunar and Planetary Science Conference. The Woodlands, TX. See Project
- Wadhwa, M., Bouvier, A. & Brennecka, G. (2011). Concordant early solar system timescales from Pb-Pb and extinct chronometers. 74th Annual Meteoritical Society Meeting. London, UK. See Project
- View all 7 publications
