Prospecting & Detecting
Ask The Experts
May 2016 by Chris Ralph
• Can I get advice on a hard rock property in Calaveras County, California?
Selenium, Mercury and Suction Dredging—Studies Contradict CA State Water Resources Board
Federal and state regulatory agencies often cite mercury and methyl mercury in our waterways as a major factor for further restrictions on placer mining, and on suction gold dredge mining, in particular. However, these regulatory agencies are minimizing selenium and its neutralizing effects.
Detector Brings New Life to An Old Lode Mine
…it was immediately evident the previous owner had not been using a detector. During just a few months of working the dumps part-time, he recovered gold in quartz specimens valued in excess of $40,000.
WWII Vet & Prospector Still Going Strong
Lately I’ve been having success utilizing two types of detectors in succession. The first is a pulse induction (PI) detector with a blanket-style antennae, and I follow it up with a very low frequency (VLF) detector.
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?
A Trip Down the Yukon River
My girlfriend Beth and I decided to take our canoe down the Yukon and do some gold dredging...
Dredging Safety: Don't Ignore The Warning Signs
At first, I tried to shift things around, but then a hand with a rock would appear, so I would stop trying to adjust my gear and grab the rock to keep things moving.
Endurance Is Golden
Feeling through the mud, I felt the weight and shape of what could only be gold. Throwing my hand in the water revealed a sixteen-gram nugget oozing with character.
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