Critical Metals: Zinc
May 2014 by Chris RalphIn this article, part of an ongoing series taking a look at critical metals in our economy, we will examine the mining and use of the metal zinc.
During our visit during late May, 2011, the vertical nature of the mineralized areas was clearly visible, as were numerous examples of quartz-carbonate veins in shear zones, faults and folds.
For more than 40 years, iron ore prices have been decided by private negotiations conducted between the largest of the iron miners and the largest steel producers. These two sides dominate both the spot and contract iron ore markets.
This adit will be nearly 3.5 miles long when it reaches the ore zone.
The metal is expensive, not because it is rare but because of the expense to produce and work it. The minerals mined for titanium are all oxides, unlike many base metals that are mostly mined as sulfide minerals.
Environmental groups last year urged Montana regulators to impose the bad actor designation, and now are seeking to intervene in the case.
…2017 was just the first year with a small increase after a huge drop off in exploration activity. It may take many years of future increases to get back to where the activity was in 2012, as projected increases in exploration spending are seen to be slow and steady.
In this second part on cobalt, I will take a look at the various types of cobalt deposits and how you can prospect for them. Who knows—perhaps the next big cobalt strike will be yours.
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