Ore - WikipediaThe grade or concentration of an ore mineral, or metal, as well as its form of occurrence, will directly affect the costs associated with mining the ore. The cost of extraction must thus be weighed against the metal value contained in the rock to determine what ore can be processed and what ore is of too low a grade to be worth.These 10 mines have the world's most valuable ore | MININGJan 29, 2017 . Near-surface material is weathered and easily excavated. With USD$817/t of ore reserves split between gold and silver, the San Sebastian mine holds sixth place. In addition to exceptionally rich and valuable ores, the relatively low-cost method of mining shallow open pits puts this operation well above its.
The Real Cost of Mining Gold | Kitco CommentaryFeb 4, 2015 . Cash cost is the cost to mine gold-bearing rocks, process the ore, and sell the gold. It factors in basic mining, processing, transport and refining costs but ignores sustaining capital, general and administrative (G&A) expenses, and other associated costs. “Cash cost” gives little insight into the actual all-in cost.Economic Feasibility Study - Dig Into MiningGuide students to rank each site from most to least profitable based on the available ore and cost of mining. Teacher note: The correct order of profitability is site 2, 3, and 1. Extension Activity. Challenge students to calculate how many car electronics or cell phones could be outfitted with copper based on the data in step 3.
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