bornite


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Related to bornite: chalcocite, Enargite, covellite
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  • noun

Synonyms for bornite

a mineral consisting of sulfides of copper and iron that is found in copper deposits

References in periodicals archive ?
From approximately 38 to 41 metres downhole is a mixed primary and supergene sulphide zone consisting of chalcocite, pyrite, and bornite vein swarms with traces of malachite seen on fractures.
The joint-venture agreement also includes Bornite, another known large copper deposit a few miles southwest of Arctic, but the 2015 work is focused on Arctic.
The transition zone is composed of chalcocite and bornite with malachite on fractures and a minor amount of chalcopyrite.
In 2014, we completed a re-sampling program and re-assayed approximately 13,000 meters of drill core at the Bornite Project.
Given the close proximity of Kipushi to several copper smelters in neighbouring Zambia, the intersections of copper-rich chalcopyrite and bornite mineralisation encountered in the drill holes below the former mine workings are highly encouraging.
Multi phase quartz veins that host chalcopyrite, bornite, tetrahedrite, arsenopyrite and yield up to 31 g/t Au and 0.
Shear structures up to a few meters in width carrying bornite and oxide copper were the principal source of ore mined.
Preparations are currently underway to make the Bornite camp fully operational by mid-July with drilling activities expected to be completed by September.
Drilling completed to date indicates vertical zonation of sulfide minerals in the deposit and suggests that higher grade bornite could become more abundant than chalcopyrite down plunge.
are continuing to explore the Arctic and Bornite deposits in the Ambler District.
Mineralisation occurs in garnet-rich calc-silicate skarn with sulphide minerals including chalcopyrite, bornite and molybdenite.
Copper mineralisation consisting of native copper, chalcocite, bornite, chalcopyrite, and malachite is hosted in a broad northwest-trending zone of altered granodiorite and occurs as disseminations, along fractures and in veins.
Acid base accounting studies of the bornite, chalcocite and magnetite mineralization demonstrate the mineralization is environmentally benign and very highly unlikely to produce acid mine drainage.