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How to Refine Silver—Pt II

Silver recovery from low-level solutions is frequently done in a cell that has a cathode with 2 to 5 or more times the surface area as the anode.

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The Oregon Claim


When I started dredging a short distance downstream from that feature I realized that I was into a major paystreak and much of the gold was coming right out of the upper gravel. I could see the chunky pieces falling out of the gravel as they were pulled into...

Resurrecting An Old Hard Rock Mine—Safety Is No Accident


Now it was time for the nerve-wracking part of the job: actually removing anything from the hanging wall we deemed to be in need of removal because it was either loose, could be loose, looked loose, or we felt it was just downright dangerous

The Jenkins Mine Project, Conclusion—Recovery Operations & Summary


This project taught me that you don’t need to be Albert Einstein to apply a little science to your prospecting. I learned that most of the science related to suction dredging is actually common sense. All we need to do is take the time to apply it.

PLP Update


All 28 groups listed agree that Section 402 of the Clean Water Act does not apply and no dredge miner should be asking a state or federal agency for such a permit.

Refractory Gold Processing


After your excitement peaks when you first receive the high gold assay from the vein you just exposed, you ponder how you will extract and sell your gold. You will need to develop a flow sheet for your process to optimize your recovery and minimize your costs and permit requirements.

The Basics of Froth Flotation


I thought it might be worthwhile to take a look at the basics of this important mineral separation technique and how a miner can use it to recover the values out of an ore.

Ophir—Possibly the Best Kept Secret in Alaska—Part II


I knew the nuggets got into the nugget patch somehow, I just had to figure out how and from what direction they came.

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