How To
Ask the Experts
April 2014 by Chris Ralph
Bismuth oxide for assaying?Resurrecting An Old Hard Rock Mine—Safety Is No Accident
Now it was time for the nerve-wracking part of the job: actually removing anything from the hanging wall we deemed to be in need of removal because it was either loose, could be loose, looked loose, or we felt it was just downright dangerous
The Importance Of Mining Critical Minerals In The USA
Critical minerals are products that the government has designated as critical to our national interest because of both their potential military and industrial applications.
Finding Gold with a VLF Detector—Part I
The very first thing to find out...is if the detector has the ability to be ground balanced.
Pumping Water With Solar Power
Solar energy can be used for any size placer or hard rock mining operation. It is most practical for small and longer-term operations provided your mine is not located in a dense forest.
Small-Scale Concentrating and Recovery Methods
The first step in my recovery process after milling the ore to the desired size is to table it. On this particular ore, I get good results milling it to minus 100 mesh.
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 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.
Subscription Required:
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







