Figure 9. K2O+Na2O vs. K2O/(K2O+Na2O) diagram of igneous rocks [adapted from 52] showing alteration trend of Bafoussam amphibolites

From

Geochemistry and 40ar/39ar Geochronology of Amphibolites from Banefo-Mvoutsaha Area, Central Domain of the Pan-African Fold Belt in Cameroon

MVODO Hermine, NGA ESSOMBA TSOUNGUI Philomène Estelle, KOUANKAP NONO Gus Djibril, KAMGUIA WOGUIA Brice, SIMO Pascal

Journal of Geosciences and Geomatics. 2025, 13(2), 31-43 doi:10.12691/jgg-13-2-1