Prospecting & Detecting
Detecting Basics: Lose the Bad Habits Not the Gold
February 2017 by Ray Mills

Panning for Gold on Canyon Creek

Uncovering the Find of a Lifetime
• The 75-ounce Butte County nugget is the largest found in California since the 156-ounce Mojave nugget in the 1970s...
Clues for Detecting Ancient River Channels and Flats
The gold in this area can get quite large. Most of the pieces are about half a pennyweight on average.
Why Assaying Placer Gold Deposits Doesn't Work
Let’s set up a thought experiment: Suppose you had some material that ran one ounce per ton gold, which is generally considered high grade to fantastic grade depending on the circumstances.
Dredging Therapy

Volume is the Key to Success
While recovery rates are important, they must necessarily be secondary to the volume of material processed. Running more material at lower recovery rates is generally preferable to increasing the efficiency of the system.
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