Prospecting & Detecting
Drywashing in Black Canyon, Arizona
May 2016 by Amanda Fitzhugh
After the hike and a quick snack break we gathered a few buckets of material to really dial in the drywasher for the most efficient recovery. This involves leveling the unit, setting the riffle box drop angle and regulating the speed in which the material is processed.
Big Rock Gold
Fran, and I had made a practice of turning big boulders in gold producing areas to find some great rewards. Sometimes it was slow and frustrating, but in the end “We got the gold!”
So, Where's The Gold?—Finding Gold Detectors Miss
We decided to run a detector over each piece. If we got a decent signal we placed the piece into a high-grade pile and the rest went into another pile to be worked on later. This high-grade pile wasn’t that large—maybe 25 pounds...
Rediscovering Placerville, California
Several areas came to mind, but each was eliminated for one reason or another. One that seemed to be hanging on was the old historic mining town called Placerville.
Potential Gold at Old Hydraulic Sites
So why would a modern-day prospector want to learn about a method of mining that was banned by the courts more than a century ago?
Using Structural Clues to Locate Buried Placer Channels
They must have assumed the paystreak was spotty and had been mined out, so they never mined as close to the side of the valley as they should have.
Mud Men: Pocket Miners of Southwest Oregon Part II
How many more clays seams lie adjacent to known shear zones and quartz veins in the pocket areas of southwestern Oregon?
Placer Gold Deposits of Utah
The placer deposits of Utah occur in two distinct types of environments. These are 1) placers found adjacent to, and derived from, gold, silver and base-metal deposits; and 2) placers found in major rivers and derived from unknown, distant sources.
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