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Location: 55 Km SE from Sofifi, Indonesia
Sopo Del Office Tower A, Fl. 21 Jl. Mega Kuningan Barat III, Lot 10.1-6 Mega Kuningan AreaJakartaIndonesia12950
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Mining scale, mining and mill throughput capaciites.Full profiles of select mines and projects.
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The Eramet Group holds an indirect shareholding of 38.7% in Pt Weda Bay Nickel, while Tsingshan holds 51.3% and the Indonesian state holds 10% through PT ANTAM.
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Weda Bay Ni rich laterites developed on dunite and harzburgite. The Weda Bay laterite profile, developed during the Cenozoic, is bout 10 m thick, of which 8 m is mineralised with grades in excess of 1% Ni. The profile displays the general layered characteristics of tropical laterites elsewhere. However, the ferricrete capping common to many tropical laterites has been removed by erosion leaving only relict ironstone cobbles and, more commonly, small pisolites that are incorporated into the upper part of the profile (Cock and Lynch, 1999). Below the overburden horizon, a limonite occurs with > 55% Fe2O3 and no relics with the pristine textures of the ultrabasic rocks still in place. A certain amount of recognizable grains (quartz, altered serpentine clasts, manganese oxides) are visible within a matrix, brown red in colour, dominated by iron oxy-hydroxides. At the basis of this horizon, a transition zone (ferruginous saprolite) is found, and is characterized by more abundant clasts of saprolite within the fine grained goethite matrix (ferruginous saprolite, 25 to 50% Fe2O3 (Cock and Lynch, 1999). Below the ferruginous saprolite, a saprolite horizon (hydrous Mg silicate zone) is characterized by a non-ferruginous texture (< 15% Fe2O3), is green-brown in colour and may be rather soft. The lower saprolite horizon contains fresher green serpentinite and clasts of bedrock.
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