Figure 7. a, c and e: UCC-normalized multi-element patterns (normalizing values after [64]); b, d and f: PAAS-normalized REE patterns (normalizing values after [62])

From

Geochemistry of the Neoproterozoic Mbondo-Ngazi Tina Metasediments, Adamawa Area, Central Cameroon: Source Provenance and Tectonic Setting

Alexis Hamdja Ngoniri, Timoleon Ngnotue, Evine Laure Tanko Njiosseu, Patrick Ayonta Kenne, Sylvestre Ganno, Jean Paul Nzenti

Journal of Geosciences and Geomatics. 2020, 8(2), 94-109 doi:10.12691/jgg-8-2-5