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Geodynamics

Active passive margins

Passive margins were thought to be tectonically inactive. Documentation of a volcanic dyke intrusion along the eastern flank of the Red Sea rift proves this plate tectonic tenet wrong, however, with implications for hazard assessments in these regions.

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Figure 1: Schematic diagram of the Red Sea rift.

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Correspondence to Cynthia Ebinger or Manahloh Belachew.

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Ebinger, C., Belachew, M. Active passive margins. Nature Geosci 3, 670–671 (2010). https://doi.org/10.1038/ngeo972

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