A Test Grid Dredged for Gold Values
June 2018 by Bill Bohan
The evaluation must also consider the gold fineness or purity. The purity of the Sugardaddy nuggets is estimated at 850 fineness, meaning 85% is gold (Au), 12% is silver (Ag) with 3% being other gangue alloyed metal.
The Wyoming Geological Survey released an online interactive map...
When it was all setup and running, you had everything coming off the dredge riffles into the boil box. At the hole section, some of the water got sucked down and pulled a lot of black sand and over heavies…
Our group of independent miners have been busy crafting a uniquely designed ladder/ore cart track from the bottom of an 85-foot mine shaft in a historical hard rock mine.
Most prospectors understand placer mining a lot better than hard rock mining and don’t realize the amount of work that goes into processing different types of hard rock ore.
Sampling gold placers can be rewarding, but remember to treat the samples so you are not high grading or low grading your results. Learn the rules and apply them so your samples are accurate.
I saw gold this summer. The kind of gold that I haven’t seen since ‘81. The kind of gold that rattles in the pan. The kind of gold that would start a stampede—even in 1898.
There is a material processing principle widely used in large milling operations to improve recovery that is poorly understood by most of the micro-mining and prospecting community...
The Bawl Mill • Legislative and Regulatory Update • Ask The Experts - Are there different “ferro” products processed out of the ore? • Ask The Experts - How hot does a furnace need to be to get rid of sulphides? • Ask The Experts - Will this paystreak be downriver off the trailing edge of bedrock? • Putting Together A Small Free Gold Mill—Part II • Chasing Float Gold—The Starry Night Wash • 2018 National Mining Hall of Fame Inductees • Michigan House Votes to Give Mining Operations More Flexibility • Mineral Exploration On The Rise • 18 Acquitted in Massive Brussels Diamond Heist • Captain Obvious Strikes Again • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices