The Midcontinent Rift System represents a failed continental rift that began forming ca 1.1 billion years ago as Laurentia underwent regional extension and plume-related upwelling of the mantle.
Unusual helium signatures detected in Zambian hot springs may signal that a hidden tectonic rift is actively developing ...
Computer models confirm that the African Superplume is responsible for the unusual deformations, as well as rift-parallel seismic anisotropy observed beneath the East African Rift System. Computer ...
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