Geology and geochemistry of the águas Claras and Pico Iron Mines, Quadrilátero Ferrífero, Minas Gerais, Brazil

Abstract  The Águas Claras and Pico Mines are two world-class iron-ore mines hosted within the Lower- Proterozoic banded iron-formations (locally known as itabirites) of the Minas Supergroup located in the Quadrilátero Ferrí