Prospecting & Detecting
Detecting During Summer Heat
August 2015 by Ray Mills
This concept of detecting does not always work as we sometimes get a week or so where the temperatures rise to 116°—sometimes more.
Think You Got It All? Guess Again!
May 2016Is your gold recovery actually 95%, 90%, or even a really poor 50%? If you are not testing to know what it really is, you just don’t know. Some do regular testing, but most do not.
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.
Using Sucker Guns to Find Gold
...if you have a good, rich spot, hand-operated systems can produce some decent gold.
Prospecting on the North Yuba
The research I did for “Gold in the Slate Creek Basin” (September 2011 issue) found me chasing a channel out of the LaPorte territory headed towards the old mining town of Brandy City, California.
What's Left Behind
I love to see old-timer workings while I am out detecting for gold. For one thing, it assures me that gold came from there. Second, it tells me gold should almost certainly still be there.
Prospecting Hard Rock
We panned out maybe three gold pans of the material and we were shocked at the gold that was there. This rock appeared to be rich.
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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