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Somali Basin's Crustal Structure and Post-Rift Deformation: A Recorder of Madagascar and India DriftsGold Open Access

Authors: J.C. Ringenbac, T. Maurin, C. Chappey and M. Allain
Event name: Third EAGE Eastern Africa Petroleum Geoscience Forum
Session: Regional Hydrocarbon Systems
Publication date: 07 November 2017
DOI: 10.3997/2214-4609.201702398
Organisations: EAGE
Language: English
Info: Abstract, PDF ( 197.73Kb )

The opening of the West Somali Basin between Madagascar and east Africa in Late Jurassic-Aptian is recorded in the oceanic domain by NE-SW to E-W trending magnetic anomalies M25 to M10 (Coffin & Rabinowitz,1987). To the East and NE, it is separated from the Mascarene Basin and the North Somali Basin by transforms. Thanks to petroleum exploration, its western continental margin is now imaged by deep seismic: i.e. the Davie Transform Zone (DTZ), the Kenya-Tanzania oblique segments to the South and the Kenya-Somalia divergent segment to the North. The whole margin has experienced various postrift tectonic reactivations that can now be well illustrated.

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