Deep carbon cycling during subduction revealed by coexisting diamond-methane-magnesite in peridotite

Xiaoxia Wang; Yilin Xiao; Hans-Peter Schertl; Nikolay V Sobolev; Yang-Yang Wang; He Sun; Deshi Jin; Dong-Bo Tan

doi:10.1093/nsr/nwad203

Deep carbon cycling during subduction revealed by coexisting diamond-methane-magnesite in peridotite

Natl Sci Rev. 2023 Jul 24;10(10):nwad203. doi: 10.1093/nsr/nwad203. eCollection 2023 Oct.

Authors

Xiaoxia Wang¹, Yilin Xiao^{1

2}, Hans-Peter Schertl³, Nikolay V Sobolev⁴, Yang-Yang Wang¹, He Sun⁵, Deshi Jin¹, Dong-Bo Tan¹

Affiliations

¹ CAS Key Laboratory of Crust-Mantle Materials and Environments, School of Earth and Space Sciences, University of Science and Technology of China, China.
² CAS Center for Excellence in Comparative Planetology, China.
³ Ruhr-University Bochum, Faculty of Geosciences, Institute of Geology, Mineralogy and Geophysics, Germany.
⁴ V.S. Sobolev Institute of Geology and Mineralogy, Siberian Branch of Russian Academy of Sciences, Russia.
⁵ School of Resources and Environmental Engineering, Hefei University of Technology, China.

Abstract

Identification of multiphase inclusions in peridotite suggests that released carbon from a subducting slab can be stored as diamond+methane+magnesite in the overlying mantle wedge, achieving deep carbon cycling.