Ask The Experts: How to remove precious metals from lead?
August 2010 by Thom Seal, PhD, PEI have a large amount of precious metals, gold and silver, mixed in with lead. Cupelling is expensive. What method can I use to extract the gold and silver without cupelling?
This explains the large difference in particle sizes between placers and hydrothermal lode deposits, but also means that while the mining may be similar in some cases, the sampling and recovery techniques are usually quite different.
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The hair stood up on the back of my neck when I saw this, especially the nice patches of wash in the bottoms of the gullies, a sure sign of an auriferous source being nearby.
The sun was beginning to set, which put the light at just the right angle against the hillsides to where I believed that I spotted a very small dig and tailings pile up the hill near the top of the second wash.
Sometimes there are good mining claims on the market available to purchase, but there are also folks out there who are willing to take your money under false pretenses. Don’t fool yourself into thinking that these wolves in sheep’s clothing are few and far between.
I got to Silver City late on a Friday night (OK, it was 2:30am Saturday morning), and the first few snowflakes began to fall as I pulled into the campsite.
Another area of growing international concern for business and industry is the recent astonishing proliferation of new government regulations and laws. Despite the presumably good intentions behind these measures it is now becoming apparent that they are imposing true costs to our economic society. The sheer variety of these laws and regulations is mind-boggling.
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