How To
Ask the Experts
May 2014 by Chris Ralph
How do mines and refiners deal with doré bars?Ask The Experts: Question about resolving a quitclaim error
Q: I am in the process of filing an appeal with my lawyer, but am seeking more “expert” advice in the arenas of “mining claims” and BLM jurisdiction.
How to Interpret Assay Values
This assay system of ounces per ton sounds simple enough, but the use of the metric system and the additional measuring terms of “grams per ton” and “parts per million” (ppm) has created some misunderstanding of ore value.
Ask The Experts
Which comes first, claim filing or staking?
How to Stake Your Own Claim—Researching Mining Claims
Once you have determined that the land is locatable, the next step in the claim research process is to determine if the land has already been claimed by a previous locator.
Cyanide-Free Gold Separation
Some ores—mostly those with a high free gold content—are very amenable to gravity concentration. Well oxidized ores containing coarse gold are usually best for non-cyanide processes. Ores with significant sulfide content may require the...
Exploring Placers with Auger Drills
Augers can be used effectively for placer exploration with certain limitations.
Gold Recovery with Centrifugal Bowls
Centrifugal bowls are very efficient, and with proper operation they can consistently achieve gold recoveries above 95% with gold of about 50 mesh size.
Subscription Required:
The Bawl Mill
• Ask the Experts
• Ask the Experts
• Ask the Experts
• Our Readers Say
• Gold Prospecting in Gatesville, Indiana
• Finding Gold with a VLF Detector—Part II
• Cliven Bundy vs. BLM
• Critical Metals: Zinc
• Legitimately Reducing Business Vehicle Costs
• Search Coils and Techniques
• Round Mountain, Nevada
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• Scouts New Mining in Society Badge
Free:
Legislative and Regulatory Update
• Gold Prospecting & Mining Summit Exceeds Expectations
