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No mafic layer in 80 km thick Tibetan crust

Author

Listed:
  • Gaochun Wang

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences
    Innovation Academy for Earth Science, CAS)

  • Hans Thybo

    (Istanbul Technical University
    University of Oslo
    China University of Geosciences)

  • Irina M. Artemieva

    (China University of Geosciences
    Stanford University
    GEOMAR Helmholtz Center for Ocean Research)

Abstract

All models of the magmatic and plate tectonic processes that create continental crust predict the presence of a mafic lower crust. Earlier proposed crustal doubling in Tibet and the Himalayas by underthrusting of the Indian plate requires the presence of a mafic layer with high seismic P-wave velocity (Vp > 7.0 km/s) above the Moho. Our new seismic data demonstrates that some of the thickest crust on Earth in the middle Lhasa Terrane has exceptionally low velocity (Vp

Suggested Citation

  • Gaochun Wang & Hans Thybo & Irina M. Artemieva, 2021. "No mafic layer in 80 km thick Tibetan crust," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-21420-z
    DOI: 10.1038/s41467-021-21420-z
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    Cited by:

    1. Di-Cheng Zhu & Qing Wang & Roberto F. Weinberg & Peter A. Cawood & Sun-Lin Chung & Yong-Fei Zheng & Zhidan Zhao & Zeng-Qian Hou & Xuan-Xue Mo, 2022. "Interplay between oceanic subduction and continental collision in building continental crust," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    2. Sebastian Buntin & Irina M. Artemieva & Alireza Malehmir & Hans Thybo & Michal Malinowski & Karin Högdahl & Tomasz Janik & Stefan Buske, 2021. "Long-lived Paleoproterozoic eclogitic lower crust," Nature Communications, Nature, vol. 12(1), pages 1-13, December.

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