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Ultralow velocity zone and deep mantle flow beneath the Himalayas are linked to a subducted slab

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Through the detection of postcursors of shear waves diffracted at the core–mantle boundary, a zone of ultralow seismic velocities has been identified at the base of the mantle beneath the Himalayas. The presence of this zone is probably linked to a subducted slab remnant that is driving mantle flow in the region.

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Fig. 1: Sources, seismometers and simulations that reveal the ultralow velocity zone (ULVZ).

References

  1. Hansen, S. E., Garnero, E. J., Li, M., Shim, S.-H. & Rost, S. Globally distributed subducted materials along the Earth’s core–mantle boundary: implications for ultralow velocity zones. Sci. Adv. 9, eadd4838 (2023). This paper presents an interesting hypothesis for the origin of ULVZs.

    Article  Google Scholar 

  2. McNamara, A. K., Garnero, E. J. & Rost, S. Tracking deep mantle reservoirs with ultra-low velocity zones. Earth Planet. Sci. Lett. 299, 1–9 (2010). A review of geodynamic evidence for how mantle convection might influence ULVZs.

    Article  CAS  Google Scholar 

  3. Yu, S. & Garnero, E. J. Ultralow velocity zone locations: a global assessment. Geochem. Geophys. Geosyst. 19, 396–414 (2018). This review discusses the global distribution of ULVZs.

    Article  Google Scholar 

  4. Cottaar, S. & Romanowicz, B. An unsually large ULVZ at the base of the mantle near Hawaii. Earth Planet. Sci. Lett. 355–356, 213–222 (2012). This paper introduces the modelling of ULVZs using Sdiff postcursors.

    Article  Google Scholar 

  5. Wolf, J., Long, M. D., Creasy, N. & Garnero, E. On the measurement of Sdiff splitting caused by lowermost mantle anisotropy. Geophys. J. Int. 233, 900–921 (2023). This paper introduces the technique that we have used to infer lowermost mantle deformation.

    Article  Google Scholar 

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This is a summary of: Wolf, J. et al. Ultralow velocity zone and deep mantle flow beneath the Himalayas linked to subducted slab. Nat. Geosci. https://doi.org/10.1038/s41561-024-01386-5 (2024).

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Ultralow velocity zone and deep mantle flow beneath the Himalayas are linked to a subducted slab. Nat. Geosci. 17, 285–286 (2024). https://doi.org/10.1038/s41561-024-01387-4

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