Cited by 32Geological and Geochemical AnalysisHydrocarbon exploration and reservoir analysisPaleontology and Stratigraphy of Fossils

A new approach to geobarometry by combining fluid inclusion and clumped isotope thermometry in hydrothermal carbonates

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Honlet, Robin, Gasparrini, Marta, Muchez, Philippe, Swennen, Rudy, John, Cédric M.·2018·Terra Nova

Abstract

This study presents a new approach to geobarometry by combining fluid inclusion and clumped isotope (Δ 47) thermometry on carbonate minerals. The offset between homogenisation temperatures of primary fluid inclusions with known composition and Δ 47 temperatures of the host mineral allows a direct estimation of the fluid pressure at the time of carbonate crystallisation. This new approach is illustrated via hydrothermal dolomite samples from the Variscan foreland fold‐and‐thrust belt in northern Spain. Clumped isotope analyses yield crystallisation temperatures (107–168°C) which are higher than homogenisation temperatures in corresponding samples (95–145°C). The calculated pressure values suggest that dolomitizing fluids were overpressured during formation of zebra dolomite textures, whereas lower pressures are obtained for dolomite cement from breccia textures. This new approach to geobarometry opens up the possibility of estimating the pressure of carbonate crystallisation and has potential applications in diagenesis, basin analysis, ore geology and tectonics.

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  1. [18]18. Petersen, S.V., Daëron, M., Defliese, W.F., John, C.M., Bernasconi, S.M., Colman, A.S., Huntington, K.W., Kelson, J.R., Kluge, T., Olack, G.A., Saenger, C., Schauer, A.J., Bajnai, D., Bonifacie, M., Fiebig, J., Fernandez, A.B., Garcia de Real, P., Henkes, G.A., Katz, A., Kele, S., Lohmann, K.C., Passey, B.H., Petrizzo, D.A., Rosenheim, B.E., Tang, J., Tripati, A.E., Venturelli, R., Young, E.D., Wacker, U. and Winkelstern, I.Z., 2017. Continued efforts towards a universal clumped isotope calibration: updating published calibrations to Brand et al. (2010) parameters. International Workshop on Clumped Isotopes, Paris, August 2017.

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Authors
Honlet, R., Gasparrini, M., Muchez, P., Swennen, R., & John, C. M.
Affiliations
  • KU Leuven (BE)
  • IFP Énergies nouvelles (FR)
  • Imperial College London (GB)
Corresponding author
Honlet, Robin
Venue
Terra Nova
Publisher
Wiley
Published
2018-02-12
Volume
30
Issue
3
Pages
199-206
ISSN
  • 0954-4879 (ISSN-L)
  • 1365-3121
OpenAlex
W2782550030
Cited by
32
References
39
Citations by year
2025: 5 · 2024: 4 · 2023: 6 · 2022: 3 · 2021: 4 · 2020: 6 · 2019: 2 · 2018: 2
FWCI
2.51
Type
journal article
Language
en
Open access
Locations
  • Terra Nova (publishedVersion)
  • HAL (submittedVersion, other-oa)
  • Archivio Istituzionale della Ricerca (Universita Degli Studi Di Milano) (submittedVersion, other-oa)
  • Lirias (submittedVersion, other-oa)
  • Spiral (Imperial College London) (submittedVersion)
Funders
  • Fonds Wetenschappelijk Onderzoek (131241)
  • Qatar Petroleum
  • Shell
  • Qatar Science and Technology Park
Topics
  • Physical Sciences › Earth and Planetary Sciences › Geophysics › Geological and Geochemical Analysis
  • Physical Sciences › Engineering › Mechanics of Materials › Hydrocarbon exploration and reservoir analysis
  • Physical Sciences › Earth and Planetary Sciences › Paleontology › Paleontology and Stratigraphy of Fossils
Keywords
geobarometry, fluid inclusions, clumped isotope thermometry, hydrothermal carbonates, dolomite, fluid pressure, crystallization temperature, homogenization temperature, dolomite cement, diagenesis

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