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Without being able to predict the yield of an ore deposit there is no way to know if it will be a profitable investment. The mining industry costs a lot of money; therefore no one is going to put money into it to set up the equipment and infrastructure without knowing what quantities of ore is going to be produced and how long the production is going to last. Yield is basically how much of a certain metal is in a ton of ore. This allows the mining company to estimate the costs it is going to take to process the metal, to see if it is economically viable.

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Q: Why is predicting yield in the identification important when extracting metal from ores?
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