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Huge Opal Sells for Nearly $144k at Alaska Auction
April 2022 by Associated Press
The opal is larger than a brick and is broken into two pieces, which von Brandt said was a practice used decades ago to prove gem quality.
Making A Big Discovery
We sent them a lot of information, including my presentation about the area and its potential. We were excited to learn a couple weeks later that the company was interested in the property.
Evaluating Gold Recovery with Mass Balance Calculations
Whether you are placer or hard rock gold mining, maximizing the efficiency of your recovery process is very important to success, and accurate testing is necessary to do so.
Here Come the MineBots
In March 2004, Vulcan, a mine exploring robot from the Discovery Miner Program, was shipped to the Vulture City region to investigate the conditions of an abandoned hard rock mine. The shaft was typical of the dangerous mines that are...
New Mining Regulations in Maine
Renewed interest in mining of gold, silver, copper and other metals in Aroostook County's Bald Mountain triggered 2012 legislation requiring the overhaul of the state's two-decade-old mining regulations.
The Most Obvious Place
“The biggest nugget you’ll ever find is in a spot that many have walked over for years.” I’m not sure who told me that, but the more I think about that statement, the more it makes sense.
The Cemetery Rush
In 1893, Jerry McAuliffe led a team of prospectors east of Kalgoorlie in Western Australia and found the famed Kanowna goldfield. On their first day on the field, they picked up a total of more than 300 ounces of gold nuggets from the ground. As the rush began to increase in momentum, other prospectors found patches of nuggets simply lying on the ground near rich outcroppings of reef. In very quick time, hard rock miners were tearing into the rich reef lines...
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