How To
Ask the Experts
April 2014 by Chris Ralph
Bismuth oxide for assaying?Tips and Tricks: A Dredging Tip for Clearing the Tailings Pile
After a short time, the tailings pile can get very large, and can actually block the downstream end of the sluice box.
Geobotany: Plants Associated With Mineral Deposits
Science has shown, over the past few centuries, that there is a direct correlation between certain plants and their geophysical surroundings.
Proper Assaying of Placer Samples
The whole purpose of sampling mineralized ground is to measure the values in a small volume of material that would be representative of a much larger volume of similar material. The key word is representative. Chemical and fire assaying will not accurately represent placer deposits by themselves.
Hand Panning Micro-Fine Gold
Once you get down to the black sands or a few tablespoons of material, the technique changes dramatically.
Cutbacks at S. African Mines—Britain Blamed
South African gold miners are turning their anger towards Britain, charging that the sale of 25 tons of gold by the Bank of England has depressed gold prices and put them out of work.
Tips and Tricks: Preparing Your Dredge Engine for Storage
From this I inferred that engine 2 had a carburetor problem. In this article, I discuss the specific engine/carburetor problem, and the surprising solution to this problem.
How to Refine Silver—Pt II
Silver recovery from low-level solutions is frequently done in a cell that has a cathode with 2 to 5 or more times the surface area as the anode.
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• Finding Gold with a VLF Detector—Part I
• Creating Your Own Luck
• Over the Divide—Robert Michael “Mike” Corbley
• Continuing Hard Rock Exploration
• Recovering Fine Gold with Oleophilic Adhesion
• Detecting for Gold in Nevada
• Using Structural Clues to Locate Buried Placer Channels
• Gold Deposits of the Ivory Coast
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
