Magnesium isotope fractionation processes during seafloor serpentinization and implications for serpentinite subduction

Nielsen, Sune G.; Klein, Frieder; Marschall, Horst R.; Pogge von Strandmann, Philip A. E.; Auro, Maureen

doi:https://doi.org/10.5194/se-15-1143-2024

Articles | Volume 15, issue 9

https://doi.org/10.5194/se-15-1143-2024

© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/se-15-1143-2024

© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 15, issue 9

Research article

|

16 Sep 2024

Research article |

| 16 Sep 2024

Magnesium isotope fractionation processes during seafloor serpentinization and implications for serpentinite subduction

Sune G. Nielsen, Frieder Klein, Horst R. Marschall, Philip A. E. Pogge von Strandmann, and Maureen Auro

Related authors

Zircon micro-inclusions as an obstacle for in situ garnet U–Pb geochronology: an example from the As Sifah eclogite locality, Oman

Jesse B. Walters, Joshua M. Garber, Aratz Beranoaguirre, Leo J. Millonig, Axel Gerdes, Tobias Grützner, and Horst R. Marschall

Geochronology, 7, 309–333, https://doi.org/10.5194/gchron-7-309-2025,https://doi.org/10.5194/gchron-7-309-2025, 2025

Short summary

Silicate Weathering in the Semi-Arid Southern Pyrenees During the PETM: Lithium Isotope Evidence

Rocio Jaimes-Gutierrez, Marine Prieur, David J. Wilson, Philip A. E. Pogge von Strandmann, Emmanuelle Pucéat, Thierry Adatte, Jorge E. Spangenberg, and Sébastien Castelltort

EGUsphere, https://doi.org/10.5194/egusphere-2025-2619,https://doi.org/10.5194/egusphere-2025-2619, 2025

Short summary

Reviews and syntheses: Carbon vs. cation based MRV of Enhanced Rock Weathering and the issue of soil organic carbon

Jelle Bijma, Mathilde Hagens, Jens Hammes, Noah Planavsky, Philip A. E. Pogge von Strandmann, Tom Reershemius, Christopher T. Reinhard, Phil Renforth, Tim Jesper Suhrhoff, Sara Vicca, Arthur Vienne, and Dieter A. Wolf-Gladrow

EGUsphere, https://doi.org/10.5194/egusphere-2025-2740,https://doi.org/10.5194/egusphere-2025-2740, 2025

This preprint is open for discussion and under review for Biogeosciences (BG).

Short summary

Mineral Formation during Shipboard Ocean Alkalinity Enhancement Experiments in the North Atlantic

Mohammed Hashim, Lukas Marx, Frieder Klein, Chloe Dean, Emily Burdige, Matthew Hayden, Daniel McCorkle, and Adam Subhas

EGUsphere, https://doi.org/10.5194/egusphere-2025-988,https://doi.org/10.5194/egusphere-2025-988, 2025

Short summary

Tracing North Atlantic volcanism and seaway connectivity across the Paleocene–Eocene Thermal Maximum (PETM)

Morgan T. Jones, Ella W. Stokke, Alan D. Rooney, Joost Frieling, Philip A. E. Pogge von Strandmann, David J. Wilson, Henrik H. Svensen, Sverre Planke, Thierry Adatte, Nicolas Thibault, Madeleine L. Vickers, Tamsin A. Mather, Christian Tegner, Valentin Zuchuat, and Bo P. Schultz

Clim. Past, 19, 1623–1652, https://doi.org/10.5194/cp-19-1623-2023,https://doi.org/10.5194/cp-19-1623-2023, 2023

Short summary

Cited articles

Bach, W. and Früh-Green, G. L.: Alteration of the oceanic lithosphere and implications for seafloor processes, Elements, 6, 173–178, 2010.

Beinlich, A., Mavromatis, V., Austrheim, H., and Oelkers, E. H.: Inter-mineral Mg isotope fractionation during hydrothermal ultramafic rock alteration – Implications for the global Mg-cycle, Earth Planet. Sc. Lett., 392, 166–176, 2014.

Bigeleisen, J. and Mayer, M. G.: Calculation of Equilibrium Constants for Isotopic Exchange Reactions, J. Chem. Phys., 15, 261–267, 1947.

Brewer, A. W., Teng, F.-Z., and Mullen, E.: Magnesium isotopes as a tracer of crustal materials in volcanic arc magmas in the northern Cascade Arc, Front. Earth Sci., 6, 21, https://doi.org/10.3389/feart.2018.00021, 2018.

Carter, L. B., Skora, S., Blundy, J. D., De Hoog, J. C. M., and Elliott, T.: An Experimental Study of Trace Element Fluxes from Subducted Oceanic Crust, J. Petrol., 56, 1585–1605, https://doi.org/10.1093/petrology/egv046, 2015.