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Frontiers of stable isotope geoscience

Eiler, John M. and Bergquist, Brigit and Bourg, Ian and Catigny, Pierre and Farquhar, James and Gagnon, Alex and Guo, Weifu and Halevy, Itay and Hofmann, Amy and Larson, Toti E. and Levin, Naomi and Schauble, Edwin A. and Stolper, Daniel (2014) Frontiers of stable isotope geoscience. Chemical Geology, 372 . pp. 119-143. ISSN 0009-2541. doi:10.1016/j.chemgeo.2014.02.006.

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Isotope geochemistry is in the midst of a remarkable period of innovation and discovery; the last decade (or so) has seen the emergence of ‘nontraditional’ stable isotopes of metals (i.e., variations in isotopic compositions of Mg, Fe, Cu, etc.), a great expansion of mass-independent isotope geochemistry, the invention of clumped isotope geochemistry, and new capabilities for measurements of position-specific isotope effects in organic compounds. These advances stem from the emergence of multi-collector plasma mass spectrometry, innovations in gas source mass spectrometry, infrared absorption spectroscopy, and nuclear magnetic resonance techniques. These new observations demand new connections between isotope geochemistry and the chemical physics that underlie isotopic variations, including experimental study and modeling of vibrational isotope effects, photochemical isotope effects, and various nuclear volume and magnetic effects. Importantly, such collaborations also have something to offer chemists and physicists because the novel observations of emerging branches of stable isotope geochemistry hold the potential to reveal new insights into the nature of chemical bonds and reactions. This review looks broadly across the frontiers of new methods and discoveries of stable isotope geochemistry and the fundamental chemical–physics problems they pose, focusing in particular on the most pressing problems in: kinetic isotope effects in complex systems; mass independent isotope geochemistry (both the strong effects in photochemical reactions and the subtle variations of more conventional reactions); clumped isotope geochemistry; and the position-specific isotopic anatomies of organic molecules.

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Stolper, Daniel0000-0003-3299-3177
Additional Information:© 2014 Published by Elsevier B.V. Received 21 June 2013. Received in revised form 31 January 2014. Accepted 7 February 2014. Available online 28 February 2014. Editor: David R. Hilton. This paper is an outgrowth of a workshop, “The Chemistry of Novel Isotope Effects in the Geosciences”, organized and supported by the Department of Energy office for Basic Energy Sciences, and in particular by the Geosciences section of DOE's Chemistry division. We thank everyone involved in that program, and its administrative staff in particular, for helping us organize and run this productive workshop. This paper is significantly influenced by the talks and discussions at that workshop given by the participants in addition to the authors, including: Michael Bender, Joel Blum, Bill Casey, Don DePaolo, David Johnston, Abby Kavner, Boaz Luz, Shuhei Ono, Alison Piasecki, Jim Rustad, Alex Sessions, Gary Sposito and Mark Thiemens. Finally, this paper is dedicated to the memory of Jake Bigeleisen, whose seven-decade career of creativity and vision is an inspiration to the field of isotope geochemistry.
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Department of Energy (DOE)UNSPECIFIED
Subject Keywords:Stable isotope geochemistry; Mass independent; Clumped isotope; Position-specific isotope effects
Record Number:CaltechAUTHORS:20140501-145641518
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Official Citation:John M. Eiler, Brigit Bergquist, Ian Bourg, Pierre Cartigny, James Farquhar, Alex Gagnon, Weifu Guo, Itay Halevy, Amy Hofmann, Toti E. Larson, Naomi Levin, Edwin A. Schauble, Daniel Stolper, Frontiers of stable isotope geoscience, Chemical Geology, Volume 372, 24 April 2014, Pages 119-143, ISSN 0009-2541, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:45446
Deposited By: Ruth Sustaita
Deposited On:01 May 2014 22:27
Last Modified:10 Nov 2021 17:03

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