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Publications

R. C. J. Steele , V. Heber, and K. D. McKeegan. Matrix effects on the relative sensitivity factors for manganese and chromium during ion microprobe analysis of carbonate: Implications for early Solar System chronology. 2017 Geochimica et Cosmochimica Acta201, 245-259

R. C. J. Steele, P. Boehnke. 2015. Titanium isotope source relations and the extent of mixing in the proto-Solar nebula examined by Independent Component Analysis. Astrophysical Journal. 802 2-80 PDF

C. D. Coath, R. C. J. Steele, W. Fred Lunnon. Statistical bias in isotope ratios. 2013. Journal of Analytical Atomic Spectrometry. 28, 52-58. PDF

R. C. J. Steele, T. Elliott, C. D. Coath, M. Regelous and S. S. Russell, 2012. Neutron-poor nickel isotope anomalies in meteorites. Astrophysical Journal. 758, 1-59. PDF

R. C. J. Steele, T. Elliott, C. D. Coath and M. Regelous, 2011. Conformation of mass-independent Ni isotopic variability in iron meteorite samples. Geochimica et Cosmochimica Acta. 75 (24), 7906-7925. PDF


Selected Manuscripts in Preparation

R. C. J. Steele , V. Heber, and K. D. McKeegan. Determination of Manganese and Chromium Relative Sensitivity Factors during Ion Microprobe Analysis. Journal of Analytical Atomic Spectrometry. In Prep

P. Boehnke, R. C. J. Steele. Evaluation of Uncertainties in decay constants of "short-lived" radionuclides: a meta-analysis approach. Geochimica et Cosmochimica Acta. Request preprint.


Conference Abstracts

R. C. J. Steele, K. D. McKeegan. Aqueous alteration on the the CI parent body: Mn-Cr ages of secondary carbonate formation. Meteoritics and Planetary Science. Abstracts for the 77th Annual Meeting of the Meteoritical Society. #5438. Oral Presentation.
PDF

P. Boehnke, R. C. J. Steele. Evaluation of Uncertainties in decay constants of short-lived radionuclides: a meta-analysis approach. Meteoritics and Planetary Science. Abstracts for the 77th Annual Meeting of the Meteoritical Society. #5438. Oral Presentation. PDF

P Boehnke, KD McKeegan, CD Coath, ID Hutcheon, R. C. J. Steele, M Harrison. Evaluating the potential of the MegaSIMS for nuclear forensics. AGU Fall Meeting Abstracts. 2013. Abstract

R. C. J. Steele, P. Boehnke. Titanium isotope source relations and the extent of mixing in the early Solar System examined by Independent Component Analysis. 45th Annual Lunar and Planetary Science Conference. #2967. 2013. Poster presentation. PDF

R. C. J. Steele, K. D. McKeegan, M. C. Liu. Titanium isotope anomalies in CM hibonites: Nucleosynthetic sources and mixing in the early solar system. 44th Annual Lunar and Planetary Science Conference. #2967. 2012. Poster presentation. PDF

R. C. J. Steele, T. Elliott, C. D. Coath and M. Regelous. Neutron-Poor Ni Isotope Anomalies in Bulk Meteorites and Their Nucleosynthetic Significance. 43rd Annual Lunar and Planetary Science Conference. 41 #2354. March 2012. Oral presentation. PDF

R. C. J. Steele, T. Elliott, C. D. Coath and M. Regelous. Nickel isotope anomalies: Neutron-rich or neutron-poor? Goldschmidt 2011. Mineralogical Magazine. 75, 1932. Oral presentation. PDF

R. C. J. Steele, T. Elliott, C. D. Coath, M. Regelous and S. S. Russell. Correlated neutron rich Ni isotope anomalies in chondritic and iron meteorites. 41st Annual Lunar and Planetary Science Conference. 41 #1984. March 2010. Oral presentation. PDF

R. C. J. Steele, T. Elliott, C. D. Coath and M. Regelous. Correlated ε62Ni and ε64Ni in bulk meteorite analyses. Meteoritics and Planetary Science. Abstracts for the 72nd Annual Meeting of the Meteoritical Society. #5256. 2009. Oral presentation. PDF

R. C. J. Steele, T. Elliott, C. D. Coath and M. Regelous. Measurement of mass-independent ε64Ni isotopic anomalies in meteorites. Geochimica et Cosmochimica Acta, 73(13):A12661, June 2009. Oral presentation. PDF

R. C. J. Steele, M. F. Thirlwall, C. J. Manning, M. A. M. Gee, M. Regelous, and D. Lowry. Magma sources in the Icelandic Western Rift Zone (WRZ): crustal and mantle input. Geochimica et Cosmochimica Acta, 71(15):A969, August 2007. Poster presentation. PDF

© Bob Steele 2014