Crushing, Grinding and Pulverizing
May 2017 by Alex Dolbeare
There are many different ways to get the gold out. We will take a look a few examples of crushing and grinding, and potentially which ores they may be best suited for.
The widespread gold and base metal mineralization supports that many significant lode deposits remain to be discovered.
...Curry County, at the urging of local environmentalists, is doing whatever it can to get in his way. The county’s latest attempt was through the issuance of a stop-work order, which claimed numerous unsubstantiated violations.
Letters from our readers...
• "...around forever..."
• "A decision I never regretted."
Sometimes a placer miner will find small bits and nuggets of metal associated with gold and other heavy minerals in his concentrates, which exhibits a silver-gray color rather than the normal tones of gold.
• Clean Water Act rule change proposed
• DOJ files motion against Oregon miners
• Off-road access case to be reviewed by Supreme Court
• Resources Coalition hard at work
• Leavitt takes helm of EPA
The Bawl Mill • Legislative and Regulatory Update • Ask The Experts: How many claims can I file in Arizona? • Ask The Experts: What should I do with a large amount of old placer concentrates? • Shaker Tables for Processing Hard Rock Ores • Becoming a Successful Detectorist • Hand Panning Micro-Fine Gold • Sampling, Hydro-Shocking & Cleaning Quartz-Gold Specimens • My Lucky Thirteen Nuggets • A Break in the Weather • From the Editor • Prospecting Knowledge -- Pass It On! • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices • Over The Divide: Miles John Mitchell