Issue |
E3S Web Conf.
Volume 98, 2019
16th International Symposium on Water-Rock Interaction (WRI-16) and 13th International Symposium on Applied Isotope Geochemistry (1st IAGC International Conference)
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Article Number | 12004 | |
Number of page(s) | 6 | |
Section | Applied Isotope Geochemistry | |
DOI | https://doi.org/10.1051/e3sconf/20199812004 | |
Published online | 07 June 2019 |
Isotopic communication across the water – rock interface: Preservation in solids and signatures in fluids
1
Department of Geology, University of Illinois Urbana Champaign, 1301 W. Green St., Urbana, IL, 61802, United States
2
Institut de Physique du Globe de Paris, Paris, 75321, France
* Corresponding author: jdruhan@illinois.edu
Water – rock interactions are characteristically associated with isotopic fractionation between phases, yet their remains significant uncertainty in the degree to which these isotope ratios record the conditions of mineral formation or equilibration, and thus their fidelity as proxy records. Here, we present a novel generic modeling framework allowing sub-grid scale tracking of the isotopic signatures recorded in newly formed minerals over the timescale of precipitation and continued isotopic exchange between phases. We demonstrate that the surface area of the solid phase strongly influences the extent to which isotopes reflect the conditions of formation through time.
© The Authors, published by EDP Sciences, 2019
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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