Soil Geochemistry Toward Lithium Pegmatite Exploration: Building a Machine-Learning Predictive Algorithm via Portable X-Ray Fluorescence - Luiza Maria Pereira Pierangeli; Mona-Liza C. Sirbescu; Sérgio Henrique Godinho Silva; David C. Weindorf; Thomas R. Benson; Nilton Curi (Economic Geology, 2025)