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13 million years of seafloor spreading throughout the Red Sea Basin

Author

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  • Nico Augustin

    (GEOMAR Helmholtz Centre for Ocean Research)

  • Froukje M. Zwan

    (King Abdullah University of Science and Technology (KAUST))

  • Colin W. Devey

    (GEOMAR Helmholtz Centre for Ocean Research)

  • Bryndís Brandsdóttir

    (Institute of Earth Sciences, Science Institute, University of Iceland)

Abstract

The crustal and tectonic structure of the Red Sea and especially the maximum northward extent of the (ultra)slow Red Sea spreading centre has been debated—mainly due to a lack of detailed data. Here, we use a compilation of earthquake and vertical gravity gradient data together with high-resolution bathymetry to show that ocean spreading is occurring throughout the entire basin and is similar in style to that at other (ultra)slow spreading mid-ocean ridges globally, with only one first-order offset along the axis. Off-axis traces of axial volcanic highs, typical features of (ultra)slow-spreading ridges, are clearly visible in gravity data although buried under thick salt and sediments. This allows us to define a minimum off-axis extent of oceanic crust of

Suggested Citation

  • Nico Augustin & Froukje M. Zwan & Colin W. Devey & Bryndís Brandsdóttir, 2021. "13 million years of seafloor spreading throughout the Red Sea Basin," Nature Communications, Nature, vol. 12(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-22586-2
    DOI: 10.1038/s41467-021-22586-2
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