Prospecting & Detecting
Practical Advice for Milling Hard Rock Ores
July 2020 by Chris Ralph
The problem is that extracting gold from hard rock is often a lot more difficult than processing placer gravels. Still, there is some very high-grade ore out there in many old mining areas.
Dredging Safety: Don't Ignore The Warning Signs
At first, I tried to shift things around, but then a hand with a rock would appear, so I would stop trying to adjust my gear and grab the rock to keep things moving.
Which Nugget Detector Should I Get?
![](http://www.icmj.com/userfiles/images/201306/TOC-which-detector.jpg)
Where Should I Start?
![](http://www.icmj.com/userfiles/images/201510/toc-29-where-to-start.jpg)
A Few Thoughts About Successful Nugget Hunting
![](http://www.icmj.com/userfiles/images/201311/TOC-a-few-thoughts.jpg)
California Dredgers: A Step Closer to Getting Back in the Water
...Judge Ochoa ordered the parties to participate in mandatory settlement hearings starting June 24, 2014.
Overcoming Repeated Skunks
When hunting for nuggets does not yield any gold for a couple days, it can get pretty frustrating. But it turns into serious mental anguish when it stretches into weeks or months.
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• Ask The Experts - Can GPR be used for lode prospecting?
• Ask The Experts - How do I extract gold from pyrite?
• Ask The Experts - Should I dig faint sounds with no indicator bars while detecting?
• Ask The Experts - Should the detector sound on iron and nickel in a gold area?
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• Sluicing and Detecting Downstream
• Tips and Tricks
• Gold Prospecting for Better or Worse: Does Caliche Grow?
• 10 Keys to Prospecting Like A Pro
• Polymetallic Skarn Deposits
• Speed Prospecting for Hard Rock Gold
• Forrest Fenn Treasure Chest Finally Found?
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices