Mineralogical association and Ni-Co deportment in the Wingellina oxide-type laterite deposit (Western Australia)

The Wingellina deposit (currently owned by Metals X Limited) is an oxide-type Ni-Co laterite, with 168 Mt of ore grading 0.98% Ni and 0.08% Co. The laterite profile is derived from the weathering of the olivine-rich mafic-ultramafic layered intrusion of the Giles Complex (Mesoproterozoic) and consists of a well-developed limonitic ore and a thin saprolite horizon. XRPD, SEM-EDS and EMPA analyses revealed that the ore zone is dominated by Fe- and...