Plate 1. (a) Hand specimen of Sample F24 (mica granite) (b) Hand specimen of Sample F5 (migmatite) (c) Hand Specimen of Sample F9 (Potassic pegmatite) (d) Hand Specimen of Sample F7 (albitized pegmatite)

From

X-Ray Fluorescence Base Investigation of the Gwon-Gwon Pegmatite Field Wamba, Northcentral, Nigeria

Abdullahi A.M, Haruna A.I, Usman A.M, A. S. Arabi

Journal of Geosciences and Geomatics. 2017, 5(1), 37-45 doi:10.12691/jgg-5-1-4