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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 Bawl Mill
• Where do I apply?
• Seriously, where do I apply?
• FEMA: “I only have “ice” for you...”
• Put your carbon emissions where your mouth is!
California State & National Gold Panning Championships
By the end of the day Sunday there were a lot of tired panners! By then they could have panned more than 14 times to make it to the end. This was not a picnic!
Detecting Old Ground Sluice Locations
Ground sluicing, surfacing and scratching are a few names given to the recovery of gold in shallow areas. Where I live, the hills are dotted with small surface diggings.
Sunshine Mine Video Brings Back Painful Memories
When a federal employee decided to make a safety video for miners, she didn’t expect to reopen 30-year-old wounds from one of the nation’s worst mining disasters. But a roomful of tough men had watery eyes as they watched the film “You Are My Sunshine,” which recounted the Sunshine Mine disaster of 1972 that claimed 91 lives.
Legislative and Regulatory Update
• Battle continues in the "Golden State"
• California Water Board needs your comments
Selenium, Mercury and Suction Dredging—Studies Contradict CA State Water Resources Board
Federal and state regulatory agencies often cite mercury and methyl mercury in our waterways as a major factor for further restrictions on placer mining, and on suction gold dredge mining, in particular. However, these regulatory agencies are minimizing selenium and its neutralizing effects.
ICMJ Again Matches Funds For PLP Donations
In the meantime, PLP continues to incur costs associated with several ongoing court cases filed on behalf of the mining community. To contribute to their efforts, we are again offering to add twenty-five cents to every PLP donation made between...
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The Bawl Mill
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• 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
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