Fig 8 - uploaded by Osama Rahil Shaltami
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Binary plot of (Na2O+K2O)/(Al2O3+Na2O+K2O) vs. (SiO2+Na2O+K2O)/(SiO2+Al2O3+ Na2O+K2O) showing the paleoweathering intensity in the source area (fields after Kronberg and Nesbitt, 1981).

Binary plot of (Na2O+K2O)/(Al2O3+Na2O+K2O) vs. (SiO2+Na2O+K2O)/(SiO2+Al2O3+ Na2O+K2O) showing the paleoweathering intensity in the source area (fields after Kronberg and Nesbitt, 1981).

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In this work, major oxide data were used to evaluate the Al Mahruqah Formation. This study included four areas (Idri, Sabha, Al Fuqaha, and Tmassah sheets) in the northern Murzuq Basin, SW Libya. The findings indicated that the amounts of limestone and dolomite are comparable in the formation. The limestone and dolomite belong to distinct classes....