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Indo-Atlantic plate accelerations around the Cretaceous-Paleogene boundary: a time-scale error, not a plume-push signal

Abstract:

It has been suggested that plume arrival at the base of the lithosphere introduces a push force that overwhelms the balance of torques driving plate circuits, leading to plate-tectonic reorganizations. Among the most compelling evidence in support of a “plume-push” mechanism is the apparent coincidence between eruption of the Deccan flood basalts around 67–64 Ma and a short-lived increase in Indian (and decrease in African) plate speed. Using existing and newly calculated high-resolution plat...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1130/g47859.1

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Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Role:
Author
ORCID:
0000-0002-9876-4628
More from this funder
Name:
Leverhulme Trust
Grant:
PLP-2015-283
More from this funder
Name:
European Commission
Grant:
631104
639003
Publisher:
Geological Society of America
Journal:
Geology More from this journal
Volume:
48
Issue:
12
Pages:
1169–1173
Publication date:
2020-07-31
Acceptance date:
2020-07-01
DOI:
EISSN:
1943-2682
ISSN:
0091-7613
Language:
English
Keywords:
Pubs id:
1123500
Local pid:
pubs:1123500
Deposit date:
2020-08-04

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