How To
Sampling, Hydro-Shocking & Cleaning Quartz-Gold Specimens
May 2017 by Reese Townes
Many specimens have a small amount of gold and are not pretty to look at. There is a nifty way to give them a makeover and make them much prettier than they were when you found them.
The Basics of Crushing and Milling Operations

Evolution Of A Desert Wash Plant
The water instantly dropped though the screen, leaving a pile of mud behind! I was so excited that I replaced it with a 150-mesh screen, and the same thing happened!
Ask The Experts
• How do I separate silver from lead ore?
Using Geologic Maps

Ask the Experts
• How do I clean up gold encrusted with iron-sulfides?
Alternative Gold Leaching Methods

Determining The Optimal Crushing Size for Gravity Recovery
It’s not easy to figure out what is best without testing, and so a certain level of confusion has developed about how small the ore ought to be crushed.
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• 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
• My Lucky Thirteen Nuggets
• Crushing, Grinding and Pulverizing
• 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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