Abstract In 2022, nickel (Ni) was nominated as a critical metal due to its wide applications in
the metal industry, especially in clean energy applications to achieve climate mitigation …

Oxide-type Ni-laterites seldom contain significant Ni-phyllosilicates reserves. This study is
focused on the mineralogy of Ni-clays mainly occurring in the saprolite zone of the …

Coastal sediments downstream of ultramafic catchments can show Ni and Cr concentration
well above sediment quality guidelines. Despite their potential ecological impact, the …

Socio-economic data on nickel and cobalt show their importance throughout the entire metal
value chain, from mining to end use, disposal and recycling. Thus, the extraction of both …

In this study, magnesia–nickel silicate ore was investigated, which contained 0.83% Ni and
antigorite, chlorite, magnetite (Fe3O4), quartz, and mica as the main minerals. Chloride …

Ni-bearing clays represent the main ore minerals in many laterite districts. Although the
world-class Wingellina deposit (Western Australia) is an oxide-dominated ore, about 30% of …

Τhe present study investigates, from an environmental protection viewpoint, the efficiency of
sequential column leaching of two different Greek laterites, ie a limonitic ore from central and …

Ultramafic (UM) rocks are known to be nickel (Ni) rich and to weather quickly, which makes
them a good candidate to look at the Ni isotope systematics during weathering processes at …

Indonesia is one of the largest Ni ore producers in the world and is also expected to be an
important potential source of some critical metals (eg, Co, Sc, rare‐earth elements, and …

The Intex laterite deposit in Mindoro, Philippines is derived from the weathering of the
ultramafic rocks under a tropical climate. This study investigates the several types of …