Cited by 209Geology and Paleoclimatology ResearchPaleontology and Stratigraphy of FossilsGeological and Geochemical Analysis

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Effects of Improved 17 O Correction on Interlaboratory Agreement in Clumped Isotope Calibrations, Estimates of Mineral‐Specific Offsets, and Temperature Dependence of Acid Digestion Fractionation

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Abstract

The clumped isotopic composition of carbonate‐derived CO 2 (denoted Δ 47 ) is a function of carbonate formation temperature and in natural samples can act as a recorder of paleoclimate, burial, or diagenetic conditions. The absolute abundance of heavy isotopes in the universal standards VPDB and VSMOW (defined by four parameters: R 13 VPDB , R 17 VSMOW , R 18 VSMOW , and λ ) impact calculated Δ 47 values. Here, we investigate whether use of updated and more accurate values for these parameters can remove observed interlaboratory differences in the measured T‐Δ 47 relationship. Using the updated parameters, we reprocess 14 published calibration data sets measured in 11 different laboratories, representing many mineralogies, bulk compositions, sample types, reaction temperatures, and sample preparation and analysis methods. Exploiting this large composite data set ( n = 1,253 sample replicates), we investigate the possibility for a “universal” clumped isotope calibration. We find that applying updated parameters improves the T‐Δ 47 relationship (reduces residuals) within most labs and improves overall agreement but does not eliminate all interlaboratory differences. We reaffirm earlier findings that different mineralogies do not require different calibration equations and that cleaning procedures, method of pressure baseline correction, and mass spectrometer type do not affect interlaboratory agreement. We also present new estimates of the temperature dependence of the acid digestion fractionation for Δ 47 (Δ* 25‐X ), based on combining reprocessed data from four studies, and new theoretical equilibrium values to be used in calculation of the empirical transfer function. Overall, we have ruled out a number of possible causes of interlaboratory disagreement in the T‐Δ 47 relationship, but many more remain to be investigated.

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  1. Gonfiantini R., 1995, Reference and Intercomparison Materials for Stable Isotopes of Light Elements, 13

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Metadata

Authors
Petersen, S. V., Defliese, W. F., Saenger, C., Daëron, M., Huntington, K. W., John, C. M., Kelson, J. R., Bernasconi, S. M., Colman, A. S., Kluge, T., Olack, G. A., Schauer, A. J., Bajnai, D., Bonifacie, M., Breitenbach, S. F. M., Fiebig, J., Fernandez, A. B., Henkes, G. A., Hodell, D., Katz, A., Kele, S., Lohmann, K. C., Passey, B. H., Peral, M. Y., Petrizzo, D. A., Rosenheim, B. E., Tripati, A., Venturelli, R., Young, E. D., & Winkelstern, I. Z.
Affiliations
  • University of Michigan (US)
  • University of California, Los Angeles (US)
  • University of Washington (US)
  • Laboratoire des Sciences du Climat et de l'Environnement (FR)
  • Imperial College London (GB)
  • ETH Zurich (CH)
  • University of Chicago (US)
  • Heidelberg University (DE)
  • Goethe University Frankfurt (DE)
  • Institut de physique du globe de Paris (FR)
  • University of Cambridge (GB)
  • Department of Earth Sciences ETH‐Zurich Zurich Switzerland
  • Stony Brook University (US)
  • Institute for Geological and Geochemical Research (HU)
  • Jet Propulsion Laboratory (US)
  • University of South Florida St. Petersburg (US)
  • Grand Valley State University (US)
Corresponding author
Petersen, S. V.
Venue
Geochemistry, Geophysics, Geosystems
Published
2019-07
Volume
20
Issue
7
Pages
3495-3519
ISSN
1525-2027 (ISSN-L)
OpenAlex
W2947366632
Cited by
209
References
89
Citations by year
2026: 16 · 2025: 14 · 2024: 32 · 2023: 28 · 2022: 35 · 2021: 45 · 2020: 23 · 2019: 16
FWCI
11.89
Type
journal article
Language
en
Open access
Locations
  • Geochemistry Geophysics Geosystems (publishedVersion, other-oa)
  • Northumbria Research Link (Northumbria University) (acceptedVersion, other-oa)
  • Repository of the Academy's Library (Library of the Hungarian Academy of Sciences) (acceptedVersion)
  • Digital Commons - University of South Florida (University of South Florida) (submittedVersion, other-oa)
  • HAL (submittedVersion, other-oa)
  • Deep Blue (University of Michigan) (submittedVersion, other-oa)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion, other-oa)
  • HAL Portal Artxiker (Hindustan Aeronautics Limited (India)) (submittedVersion)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
  • VUBIR (Vrije Universiteit Brussel) (submittedVersion)
Funders
  • National Science Foundation (1156134, 1713275, 0923831)
  • U.S. Department of Energy (DE‐SC0010288)
  • Nemzeti Kutatási Fejlesztési és Innovációs Hivatal (KH 125584)
  • Natural Environment Research Council (NE/M003752/1)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Geology and Paleoclimatology Research
  • Physical Sciences › Earth and Planetary Sciences › Paleontology › Paleontology and Stratigraphy of Fossils
  • Physical Sciences › Earth and Planetary Sciences › Geochemistry and Petrology › Geological and Geochemical Analysis
Keywords
clumped isotopes, interlaboratory agreement, empirical transfer functions, carbonate diagenesis

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