How To
Ask the Experts
April 2014 by Chris Ralph
Bismuth oxide for assaying?Prospecting for Diamonds
Let’s take a look at diamonds and diamond mining and see how they form, how they are used beyond just jewelry, and what leads geologists to find diamond deposits.
Using Geologic Publications to Discover Collecting Sites
I understand that a person without geological knowledge could be daunted reading a geological publication. You can pick out the good stuff from a geological publication without a lot of geological knowledge.
Using Geologic Maps
In order to see what geologic maps can do, we need to think about what we are looking for.
Mining for Gold and Sapphires in Montana
Fascinated by the sapphires—and the gold that occured with them—he was soon buying parcels of property and setting up his own commercial-scale gravel processing plants.
What is a Valid Mineral Discovery?
One of the greatest opportunities afforded to the citizens of our country is the right to stake and hold mining claims on federal lands. One doesn’t need to be a lawyer to stake mining claims, but a little bit of knowledge about mining claim laws can be helpful.
The Fire Assay of Carbon
Carbon, activated charcoal, or “char,” as some old timers refer to it, can be an assayer’s nightmare.
How to Make a Rock Sled for Dredging
When my “anonymous” friend told me the rock tub was probably a hundred miles from where he safely stashed it, I decided to build another sled and improve on my old design.
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The Bawl Mill
• Ask the Experts
• Ask the Experts
• Ask the Experts
• Ask the Experts
• Ask the Experts
• Mining for Gold and Sapphires in Montana
• Contrary to Rumors, Couple Will Keep the Saddle Ridge Hoard
• 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
