Garnierite
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Garnierite is a general name for a green nickel ore which is found in pockets and veins within weathered and serpentinized ultramafic rocks. It forms through lateritic weathering of ultramafic rocks a
Garnierite
Garnierite from New Caledonia (Sorbonne University)
Nickel extraction
Videos
Extractive metallurgy of nickel is the set of operations that allow the manufacture of nickel metal from ore. It also concerns the recycling of metallurgical waste containing nickel.
Nickel mines in New Caledonia, in Charles Lemire [fr], Voyage à pied en Nouvelle-Calédonie et description des Nouvelles-Hébrides. Ouvrage orné de deux cartes, etc,, 1884, British Library HMNTS 10491, p. 166
![Nickel mines in New Caledonia, in Charles Lemire [fr], Voyage à pied en Nouvelle-Calédonie et description des Nouvelles-Hébrides. Ouvrage orné de deux](https://upload.wikimedia.org/wikipedia/commons/thumb/8/87/LEMIRE%281884%29_p166_Mines_de_nickel.jpg/500px-LEMIRE%281884%29_p166_Mines_de_nickel.jpg)
From top to bottom: lateritic crust (iron cap), soft limonite, ultramafic rock basement in Yaté, New Caledonia.
Laterite mine in Kouaoua, New Caledonia. Exploitation concerns only the surface layers.
Laterite mine in Euboea, Greece, operated by Larco.