Ask the Experts
April 2014 by Chris RalphBismuth oxide for assaying?
Improper sampling techniques lead to more avoidable heartache than almost anything else in micro mining.
• Homestake Mining Company
• Placer Dome Inc.
• AZCO Mining Inc.
• Guyana Diamond Corp.
• Canadian Mining Company, Ltd.
• Hecla Mining Company
• Pan American Silver Corp.
The other opportunity that I see is in seeking unusual types of deposits. Specifically, the prospector would be searching for the stuff no one (or almost no one) is searching for. These deposits are effectively hiding in plain view.
The anticipation of finding out if the system of snatch blocks, shackles, chokers, anchor points, and the strap binding the massive slab of rock in the bottom of the river would even budge an inch was weighing on me.
Kimberlite is very difficult for geologists to find, let alone prospectors and rock hounds. This is because kimberlite is rarely exposed on the surface and few people know how to identify the rock.
I had never run an impact mill before, but anything involving rocks, water and a big electric motor sounded great.
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