How To
Montana’s Rosetta Stone: Discovering Mines In The Treasure State
May 2015 by Don Madore
This is the intelligent way to start modern prospecting. The value of literary research yields challenging outings, specimens, history and geologic research.
Ask the Experts
How do mines and refiners deal with doré bars?
Excavator Testing Wet Placer Ground
The excavator or backhoe has become the tool of choice for testing placer ground. These machines are the best way to explore and sample a placer deposit if the ground is not too wet or frozen and bedrock is not beyond the reach of the machine.
A Data Miner Builds A Power Sluice
Data mining involves processing huge amounts of digital information to find hidden patterns and financial relationships. To executives, the findings are like gold, but on the weekends, I prefer seeing the real thing in the bottom of my pan.
Designing and Evaluating Placer Gold Recovery Plants
For this article, I am focusing on industrial production plants that can handle 10 cubic yards per hour or more and would be fed by a loader or other heavy equipment...
The Heavy Minerals in Your Concentrates
The fact that mineral deposits can contribute specific types of heavy minerals is why the analysis of the heavy mineral concentrates in the streams of an area can be an important prospecting technique for finding undiscovered mineral deposits.
A Model Mining Operation
After he excavates the ore down to bedrock, he goes over the bedrock with a metal detector to ensure he didn't leave any gold behind before he backfills the area.
Using Sucker Guns to Find Gold
...if you have a good, rich spot, hand-operated systems can produce some decent gold.
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The Bawl Mill
• Ask The Experts
• Ask The Experts
• California's Mother Lode Quartz Veins
• Key to Successful Prospecting: Confidence
• What To Look For—And Look Out For—In A Placer Mineral Report
• Additional Note on Bluff's Beach
• Surface Indications Of Quartz Adularia Epithermal Deposits
• Perception of Mining vs. Reality
• Partnering for Tax Savings
• Over The Divide: Charles Lewis Garrett
• Piggin' for Gold
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
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