The Bir Lehlou block sits atop part of the Paleozoic-aged Tindouf basin, which extends east into Algeria and east and south into Mauritania. There are conventional targets as well as potential unconventional resources, according to the SADR Petroleum & Mining Authority.

Red Rio will study whether the Silurian Black shale will allow production of oil and gas using hydraulic fracturing, the government agency said.

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