Fractionation-Controlled Nb–Ta Mineralization in Rare-Element LCT Pegmatites of the Lokoja Basement Complex, Nigeria
O. V. Adeyemi · Asian Journal of Geological Research · 2026
This paper presents a geochemical and petrological assessment of niobium-tantalum-bearing pegmatites around Bakomba village, Lokoja, Kogi State, central Nigeria. Field mapping, structural measurements, thin-section petrography, and major- and trace-element geochemistry were integ...