Small Mining Operations
Ask the Experts: Silent partners and mining—is it worth the risk?
January 2014 by Chris Ralph
Ask The Experts
• Making a noisy dredge more quiet
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...
Shaker Tables for Processing Hard Rock Ores
Most placer equipment is really made with gold in the 30 and larger mesh sizes in mind, though if carefully used can often get reasonable recovery down to the 50 mesh size.
Why Haven't They Mined This Claim?
Improvements in mining equipment and techniques, along with a higher gold price, make many mining properties profitable today that may not have been in the past.
Gold Dredging on Oregon's South Umpqua
Familiarizing oneself with an unfamiliar part of the country is often a requirement of successful gold prospecting. In the pursuit of gold, it may become necessary for a prospector to branch out into new hunting grounds.
Dredging Safety: Don't Ignore The Warning Signs
At first, I tried to shift things around, but then a hand with a rock would appear, so I would stop trying to adjust my gear and grab the rock to keep things moving.
The Basics of Exploration Leases and Contracts—Part II
This is the point where you might ask, “What do these types of contracts typically look like and how are they negotiated?” Well, that is the topic of this month’s article.
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The Bawl Mill
• Ask the Experts: Big rocks or small cobbles?
• Ask the Experts: Quartz rock and the chance of gold in my area of New Hampshire?
• Ask the Experts: Equipment and gold locations in Colorado
• Sierra County Gold—Part II
• The Silver Islet Mountains of Utah
• Gold Placers of the Kenai Peninsula, Alaska
• Alternative Gold Leaching Methods
• Over the Divide
• Prospecting for Diamonds in Kimberlite
• Additional Note Regarding "Strategic Metals—Part II"
• Take a Kid Detecting
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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