How To
Ask The Experts
December 2015 by Chris Ralph
• How do I separate silver from lead ore?Resurrecting An Old Hard Rock Mine--The Saga Continues
Another little gem of equipment he built was a nifty sample splitter. In order to get accurate assays, you need to have really good, representative samples for the assayer to process.
Ask the Experts
What are the tell signs of garnet deposits?
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.
Prospecting for Diamonds in Kimberlite
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.
Ask The Experts
• Two questions: Is fool's gold magnetic? And how do you go about filing a miing claim?
Hard Rock 101: Mechanical Techniques
Since we know that the secret to breaking rock is applying force from the inside out (putting tension on the rock), we will be looking at ways we can generate force using human and machine power.
The Fire Assay of Carbon
Carbon, activated charcoal, or “char,” as some old timers refer to it, can be an assayer’s nightmare.
Subscription Required:
The Bawl Mill
• Our Readers Say
• SB 838 and the Salem Witch Hunt
• Small-Scale Hard Rock Production
• Researching Mineralized Areas
• MMAC & PLP Update
• VLF Detector Operating Modes
• Using Geologic Maps
• Canadian Company Recovers 1,111-Carat Diamond
• Lost Sally's Gold
• Time to File Claims in Southern California
• Colorado Disputes Key Part of EPA Mine Report
• Picking Our Way Through Bedrock
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
Free:
Legislative and Regulatory Update
• What Is Incidental Fallback?
