The deposit is estimated to consist of 80 billion tons of oil shale, containing 22.7 billion barrels (3.61×10^9 m3) of shale oil.[1] The deposit is divided into two flanks on each side of Tazrha sabkha. The volume of the west flank area is over 200 square kilometres (77 sq mi); the east flank area's volume is over 140 square kilometres (54 sq mi).[5] The average thickness of the formation is 22 metres (72 ft). Its moisture content is about 20% and its sulfur content is about 2%.