Small Mining Operations
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.
Large Gold Deposit Types
It is not necessary to have a PhD in geology, but you need to know the basics, so that’s what I am going to try to dig into here—the understandable basics of these gigantic gold deposits.
Bering Sea Gold—Part II
In last month’s issue we covered the initial discovery of gold, the subsequent gold rush that occurred around Nome, some of the geology of the area and past production. We’ll conclude the article in this issue with a further examination of the geology and deposit types, discuss the resources...
Using Structural Clues to Locate Buried Placer Channels
They must have assumed the paystreak was spotty and had been mined out, so they never mined as close to the side of the valley as they should have.
The Basics of Exploration Leases and Contracts—Part I
Let’s take a look at these important property aspects individually, because they all affect the value of a property and how much mining companies might or might not be interested acquiring it.
A Test Grid Dredged for Gold Values
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.
Putting Together A Small Free Gold Mill—Part II
There are many smaller old hard rock mines out there—more than you might think. There are some small hard rock properties that are even open to be claimed if one does the right amount of research to find them.
Care and Lubrication of a Model 13 Laboratory Wilfley Table
A Wilfley table works best when all of the mineral being run across it (the pulp) is about the same size. For this reason, I took a good look at each of the samples.
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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
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