Figure 5. NBAC rocks in the molar % A/NK (Al2O3/Na2O+K2O) vs. molar % A/CNK (Al2O3/CaO+Na2O+K2O) diagram of [27]. Peraluminous and metaluminous fields after [27]; fields of I-type and S-type granitoids after [29]. Mafic rocks are also plotted for comparison

From

Petrological and Geochemical Characteristics of the Cretaceous Ngaou Boh Anorogenic Complex (Adamawa Plateau, Cameroon Line): Preliminary Constraints

Zénon Itiga, Benoît Joseph Mbassa, Rose Noël Ngo Belnoun, Pierre Wotchoko, Dieudonné Tchokona Seuwui, Sébastien Owona, Jacques-Marie Bardintzeff, Pierre Wandji, Hervé Bellon

Journal of Geosciences and Geomatics. 2021, 9(4), 160-176 doi:10.12691/jgg-9-4-1