Friday, April 24, 2015

Economic Mineral Deposits and Host Rocks

What a Concentration is Needed to Make an Economic Deposit ?

A mineral deposit becomes economic when it has a profitable commercial value attached to it. The concentration of minerals or metals in deposits vary widely and range from few parts per million (1-100 g/t or ppm) in noble metals like platinum, palladium, gold, silver to low percentage (1-10%) for copper, zinc, lead, and higher grade (40-60%) for aluminum, chromium, iron and aggregates.
What a Concentration is Needed to Make an Economic Deposit
What a Concentration is Needed to Make an Economic Deposit ?
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