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Petroleum Potential Onshore Southern Madagascar Morandava Basin

Abstract

Block 3114 is located in the southwestern Madagascar in the Morandava basin. The Madagascar potential reservoirs in this basin are Permo-Triassic in age and part of a failed rift with East Africa. Madagascar began drifting from Africa in the Lower Cretaceous and as a result has a different thermal history than East Africa. Surface seeps and vitronite reflectance data indicate oil not gas should predominate. Sands in the Sakamena are potential reservoirs and the shales in this interval are also source rocks. Recent 2D seismic data (approximately 165 km) indicate numerous structural traps.