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Lithospheric strength and strain localization in continental extension from observations of the East African Rift

Kogan, Lewis; Fisseha, Shimelles; Bendick, R.; Reilinger, Robert; McClusky, Simon; King, R.; Solomon, T.


GPS observations along three profiles across the Ethiopian Rift and Afar triple junction record differences in the length scale over which extension is accommodated. In the Afar region, where the mantle lithosphere is nearly or entirely absent, measurable extension occurs over ∼175 km; in the northern Ethiopian Rift, where the mantle lithosphere is anomalously thin and hot, extensional strain occurs over ∼85 km, extending beyond the structural rift valley; in the southern Ethiopian Rift, where...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Journal of Geophysical Research
DOI: 10.1029/2011JB008516
Access Rights: Open Access


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