WebIn the traditional view, supergene ore and gangue minerals are the products of reactions between hypogene sulfide minerals and descending, acidic meteoric waters; these processes take place at or near the ground surface in subaerial environments (Guilbert and Park, 1986). In VMS deposits, copper and other metals are mobilized from primary massive Web29 Dec 2024 · The ore available at the time was taconite, a low-grade variety of iron ore that had been regarded as waste rock since its discovery in 1870. Chemists recognized the need to upgrade the tenor of ore. The solution implemented was to grind the ore into a fine powder, separate the magnetite with strong magnets, add a binder such as bentonite, and …
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WebAn ore is a term applied to that part of a metalliferous mineral deposit, which can be used for profitable extraction of one or more metals. The economic mineral of an ore is called ‘ore- … WebJournal for Comprehensive Studies of Ore Genesis and Ore Exploration Affiliated with the International Association on the Genesis of Ore Deposits (IAGOD). Aims & Scope … ruth kips
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WebThe ore deposit is predominantly disseminated to matrix mineralisation, with a low Ni tenor, which increases from <5 to 8-12% as the total sulphide content increases. The ore profile is composed of a small core of massive sulphide which passes outwards into matrix and then disseminated sulphide mineralisation. Web1 Jan 1995 · The grade or tenor is the sine qua non of any mineral deposit—grade, not tons, makes an orebody, but grade alone is no indication of the mineralogy of the ore or of its … Webwhich will help you to decide where to drill. Copper grade is the concentration of copper in the ore rock. To calculate the grade of copper for the sample, geologists use the equation: (amount of copper metal/amount of copper ore rock)*100 2. If a deposit area has 200lbs of copper in 10,000lbs of ore rock, what is the grade? 200/10000*100=2% 3. is ccb different from uccb