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Ice, fire, or fizzle: The climate footprint of Earth's supercontinental cycles

Abstract:

Supercontinent assembly and breakup can influence the rate and global extent to which insulated and relatively warm subcontinental mantle is mixed globally, potentially introducing lateral oceanic‐continental mantle temperature variations that regulate volcanic and weathering controls on Earth's long‐term carbon cycle for a few hundred million years. We propose that the relatively warm and unchanging climate of the Nuna supercontinental epoch (1.8–1.3 Ga) is characteristic of thorough mantle ...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1029/2019GC008464

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atmos Ocean & Planet Physics
Role:
Author
Publisher:
American Geophysical Union
Journal:
Geochemistry, Geophysics, Geosystems More from this journal
Volume:
21
Issue:
2
Article number:
e2019GC008464
Publication date:
2020-01-29
Acceptance date:
2019-11-26
DOI:
EISSN:
1525-2027

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