Introducing the Gyro Separator Corbus 7000!

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Choosing The Right Detector Coil

Every machine has its own adjustments and settings, but one of the most important ways to increase the capabilities of whatever detector you own is through the use of accessory coils.

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Twenty Minutes on a Five-inch Dredge


The first thing I realized was this was not a toy—this thing had power and I needed to really pay attention. I got into position, took a deep breath, and pushed that monster into the hard pack.

Prospecting for Hard Rock Gold


After several hours we finally found some old home sites that had completely collapsed, and the only items remaining were old boards and metal piping. Finding the old house sites was a good thing, but the old mines and vein systems were still...

Legislative and Regulatory Update


  • House appropriations bills introduced
  • Two Minnesota hardrock mining leases reinstated
  • Equal Access to Justice Act

Ask The Experts


What type of sluice box for my trommel?

What's In A Name?


More than you’d think. For the past several years, we’ve attended countless trade shows across the country, handed out sample copies of ICMJ, and expanded our readership considerably by signing up new subscribers.

Guest Editorial—Globalizing Mining in America, Part I


Is it environmental concern that's driving mining out of the United States or rather politics on the grandest scale?

Continental Drift


As soon as reasonably accurate maps were made, 200 years ago, one could not help but note the parallelism of some coastlines with those on other continents. The coastlines of Africa and South America, in particular, are strikingly similar. The first scientist to write on the subject was an Austrian, Edward Suess, who put India, Africa, and South America into a supercontinent he named “Gondwanaland.” But, it was not until Alfred Wegener, a German, came out with his “Theory of Continental Drift” in 1912, that scientists took note.

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