Southern Africa crustal anisotropy reveals coupled crust-mantle evolution for over 2 billion years

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Southern Africa crustal anisotropy reveals coupled crust-mantle evolution for over 2 billion years. / Thybo, Hans; Soliman, Mohammad Youssof Ahmad; Artemieva, Irina.

In: Nature Communications, Vol. 10, No. 1, 5445, 29.11.2019, p. 1.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Thybo, H, Soliman, MYA & Artemieva, I 2019, 'Southern Africa crustal anisotropy reveals coupled crust-mantle evolution for over 2 billion years', Nature Communications, vol. 10, no. 1, 5445, pp. 1. https://doi.org/10.1038/s41467-019-13267-2

APA

Thybo, H., Soliman, M. Y. A., & Artemieva, I. (2019). Southern Africa crustal anisotropy reveals coupled crust-mantle evolution for over 2 billion years. Nature Communications, 10(1), 1. [5445]. https://doi.org/10.1038/s41467-019-13267-2

Vancouver

Thybo H, Soliman MYA, Artemieva I. Southern Africa crustal anisotropy reveals coupled crust-mantle evolution for over 2 billion years. Nature Communications. 2019 Nov 29;10(1):1. 5445. https://doi.org/10.1038/s41467-019-13267-2

Author

Thybo, Hans ; Soliman, Mohammad Youssof Ahmad ; Artemieva, Irina. / Southern Africa crustal anisotropy reveals coupled crust-mantle evolution for over 2 billion years. In: Nature Communications. 2019 ; Vol. 10, No. 1. pp. 1.

Bibtex

@article{a7d7f8e54ed848a7a1f503e08ea0c84a,
title = "Southern Africa crustal anisotropy reveals coupled crust-mantle evolution for over 2 billion years",
abstract = "The long-term stability of Precambrian continental lithosphere depends on the rheology of the lithospheric mantle as well as the coupling between crust and mantle lithosphere, which may be inferred by seismic anisotropy. Anisotropy has never been detected in cratonic crust. Anisotropy in southern Africa, detected by the seismological SKS-splitting method, usually is attributed to the mantle due to asthenospheric flow or frozen-in features of the lithosphere. However, SKS-splitting cannot distinguish between anisotropy in the crust and the mantle. We observe strong seismic anisotropy in the crust of southern African cratons by Receiver Function analysis. Fast axes are uniform within tectonic units and parallel to SKS axes, orogenic strike in the Limpopo and Cape fold belts, and the strike of major dyke swarms. Parallel fast axes in the crust and mantle indicate coupled crust-mantle evolution for more than 2 billion years with implications for strong rheology of the lithosphere.",
author = "Hans Thybo and Soliman, {Mohammad Youssof Ahmad} and Irina Artemieva",
year = "2019",
month = nov,
day = "29",
doi = "10.1038/s41467-019-13267-2",
language = "English",
volume = "10",
pages = "1",
journal = "Nature Communications",
issn = "2041-1723",
publisher = "nature publishing group",
number = "1",

}

RIS

TY - JOUR

T1 - Southern Africa crustal anisotropy reveals coupled crust-mantle evolution for over 2 billion years

AU - Thybo, Hans

AU - Soliman, Mohammad Youssof Ahmad

AU - Artemieva, Irina

PY - 2019/11/29

Y1 - 2019/11/29

N2 - The long-term stability of Precambrian continental lithosphere depends on the rheology of the lithospheric mantle as well as the coupling between crust and mantle lithosphere, which may be inferred by seismic anisotropy. Anisotropy has never been detected in cratonic crust. Anisotropy in southern Africa, detected by the seismological SKS-splitting method, usually is attributed to the mantle due to asthenospheric flow or frozen-in features of the lithosphere. However, SKS-splitting cannot distinguish between anisotropy in the crust and the mantle. We observe strong seismic anisotropy in the crust of southern African cratons by Receiver Function analysis. Fast axes are uniform within tectonic units and parallel to SKS axes, orogenic strike in the Limpopo and Cape fold belts, and the strike of major dyke swarms. Parallel fast axes in the crust and mantle indicate coupled crust-mantle evolution for more than 2 billion years with implications for strong rheology of the lithosphere.

AB - The long-term stability of Precambrian continental lithosphere depends on the rheology of the lithospheric mantle as well as the coupling between crust and mantle lithosphere, which may be inferred by seismic anisotropy. Anisotropy has never been detected in cratonic crust. Anisotropy in southern Africa, detected by the seismological SKS-splitting method, usually is attributed to the mantle due to asthenospheric flow or frozen-in features of the lithosphere. However, SKS-splitting cannot distinguish between anisotropy in the crust and the mantle. We observe strong seismic anisotropy in the crust of southern African cratons by Receiver Function analysis. Fast axes are uniform within tectonic units and parallel to SKS axes, orogenic strike in the Limpopo and Cape fold belts, and the strike of major dyke swarms. Parallel fast axes in the crust and mantle indicate coupled crust-mantle evolution for more than 2 billion years with implications for strong rheology of the lithosphere.

U2 - 10.1038/s41467-019-13267-2

DO - 10.1038/s41467-019-13267-2

M3 - Journal article

C2 - 31784507

VL - 10

SP - 1

JO - Nature Communications

JF - Nature Communications

SN - 2041-1723

IS - 1

M1 - 5445

ER -

ID: 239526849