Ask The Experts - How clean do my gold concentrates need to be to pour a gold button or bar?
June 2020 by Chris Ralph
• Real or fool's gold?
Hydraulic remnants or just lose material?
NOI or POO for small backhoe
Q: Could you write more about the last two methods that you mentioned—the expanding chemical mixtures and the micro blasters, how and when to use them, and when not to use them?
Q: I have a gold claim that the BLM just closed. Should I get compensation for the value of the claim?
The Bawl Mill • Our Readers Say Re: It's Time to Get the Heck Out of China • Ask The Experts - What’s the status of suction gold dredge permitting in California? • Ask The Experts - How do I properly and safely dispose of blasting caps? • Ask The Experts - How much silver per ton does it take to make a mine profitable? • Ask The Experts - What is the name and model of the old jaw crusher pictured in last month’s issue? • Dredging Tips and Tricks: T-80 Air Compressor Maintenance • Hard Rock 101: Mechanical Techniques • Clearing the Nugget Trap with a Detector • Resurrecting an Old Hard Rock Mine—Setting Up the Millsite • Desert Prospecting Yields More Than Just Gold • Memories of Shirttail Creek, Northern California • Indictments Pile Up for Gold Traders • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices