Figure 11. Rb vs. Y+Nb Discriminant plot (boundaries modified after 23)

From

Petrogenesis and Tectonic Setting of the Basement Rocks around Irruan Area, Bamenda Massif, SE Nigeria

Ominigbo O. E., Ukwang E. E., Okumoko J. P., Ukpai U. J.

Journal of Geosciences and Geomatics. 2020, 8(1), 35-44 doi:10.12691/jgg-8-1-5