Figure 13. Zr/Nb vs La/Nb diagram of Wainama West area. Comparison with major reservoirs (OIB) oceanic island basalts; (MORB) mid-oceanic ridge basalts; (PM) primitive mantle; mantle poles HIMU (high 238U/204Pb ratio), EMI and EMII (enriched); (EMI) enriched mantle I, (EMII) enriched mantle II. (CC) continental crust The data (MORB, PM, C.C, HIMU, EMI, EMII) are from Weaver (1991). Symbols as for the Figure 5

From

Petrogenesis of Lava from Wainama West, Mount Oku (CVL): Source Characterization and Magma Evolution

Wotchoko Pierre, Nkouathio David Guimollaire, Kouankap Nono Gus Djibril, Chenyi Marie-Louise Vohnyui, Guedjeo Christian Suh, Bulam Annyta Tangie, Tchokona Seuwui dieudonne, Seplong Yannick

Journal of Geosciences and Geomatics. 2017, 5(1), 1-11 doi:10.12691/jgg-5-1-1