Chondritic mercury isotopic composition of Earth and evidence for evaporative equilibrium degassing during the formation of eucrites

Creator(s):
Moynier, Frederic
Chen, Jiubin
Zhang, Ke
Kai, Hongming
Wang, Zaicong
Jackson, Matthew G
Day, James MD
Abstract:
Mercury isotopes were measured in a suite of terrestrial lavas, including basaltic, trachytic, and granitic igneous lavas. Hg isotopes are also presented on a suite of chondritic meteorites and eucrite meteorites. The Hg isotopes in terrestrial samples are used to estimate the Hg isotope composition of the silicate Earth. The eucrites exhibit negative MIF (mass independently fractionated) for the odd-numbered Hg isotopes (199Hg and 201Hg). For the same odd-numbered isotopes, carbonaceous chondrites have positive MIF, ordinary chondrites have no MIF, and enstatite chondrites have positive MIF. Critically, the terrestrial igneous rocks have MIF and mass dependently fractionated isotopes that fall in the range defined by chondrites.
How to cite this dataset:
Moynier, F., Chen, J., Zhang, K., Kai, H., Wang, Z., Jackson, M. G., Day, J. M., 2022. Chondritic mercury isotopic composition of Earth and evidence for evaporative equilibrium degassing during the formation of eucrites, Version 1.0. Interdisciplinary Earth Data Alliance (IEDA). https://doi.org/10.26022/IEDA/112254. Accessed 2024-02-24.
DOI Creation Date:
2022-03-24
Related
Publication(s):
Moynier, F., Chen, J., Zhang, K., Cai, H., Wang, Z., Jackson, M. G., & Day, J. M. D. (2020). Chondritic mercury isotopic composition of Earth and evidence for evaporative equilibrium degassing during the formation of eucrites. Earth and Planetary Science Letters, 551, 116544. https://doi.org/10.1016/j.epsl.2020.116544
Publication DOI:
License:
Creative Commons Attribution-ShareAlike 4.0 International [CC-BY-SA-4.0]
Funding source(s):
National Science Foundation: EAR-1900652
Keyword(s):
Coverage Scope: Global
User Contributed Keyword(s):
Mercury isotopes, bulk silicate Earth, chondrites, eucrites
Data Available On:
2022-03-24
Resource Type:
Dataset
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2254-1_Moynier2020_Tables.xlsx
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