Prospecting & Detecting
Drywashing for Fine Gold
October 2017 by Alex Dolbeare
When working fine gold placers with a drywasher, there are some natural variables that can be beneficial as well as others that can be a hindrance to achieving good recovery.
Prospecting Australia—Part III Anatomy of a Nugget Patch in Western Australia
One of the most memorable nuggets I found in Australia was detected on the very last day that I was out prospecting. I was going along swinging my coil and I came across a blaring loud signal that almost blew my ears off.
Study Confirms Mercury Levels Safe in California's Gold Country
While the Water Board documented the selenium levels in fish and noted they exceed the levels of mercury, they have yet to acknowledge the numerous scientific studies that show selenium effectively neutralizes the effects of mercury.
Mud Men: Pocket Miners of Southwest Oregon—Part I
Rocks and minerals associated with clay seam gold deposits in southern Oregon are often in sedimentary rock units at least partially metamorphosed into argillite. They are also associated with mafic volcanic rocks, basalts and gabbro that...
Trail to Treasure
We are both very experienced working this type of ground, and we quickly found the pay layer where we would focus our efforts. The bedrock has good gold, but so does the red hard pan.
The Half-Mile Claim
We dug and extracted for two more hours. This time, as I dumped the concentrates, I saw a piece of gold three-fourths of an inch long and as big around as a pencil.
Revisiting Old Haunts
I had some success following this premise this summer, finding a few nuggets in places I think I overlooked in the past.
Coprolite—A Prospector's Tale
Gold nuggets come in all forms, but I never expected that dinosaur nuggets would too, and at a decent price.
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