Not sure about this news! It seems that lithium would be the higher priced commodity; unfortunatly, I can't find pricing for potassium, but here is a link for lithium pricing as of 2009.
If we have 650ppm lithium, that means there are .908 grams per ton of lithium in every ton of dirt. If we want one pound of lithium we would have to mine 500 tons of dirt (that is 1,000,000 lbs). At a price of approximately $3/lb.....that is a whole lot of dirt to come up with $3. And when you consider mining costs, I would have to assume it would cost more than $3 to mine a million pounds of dirt.
Am I looking at this wrong?
Also, if you continue reading the article they talk about concentrations in percentages......not parts per million. One percent is 10,000 times the amount in 1 ppm.
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