Prospecting & Detecting
Who Jumped Whose Claim First?
February 2019 by Bryon Tolle
At this point, stress raised my blood pressure and I was figuring out escape routes through the brush, but thought it best to continue the conversation.
Fall Drywashing—Just the Right Time of Year
I could see lots of quartz, both loose on the hillsides and in the numerous small prospect diggings. There was a small gold rush here more than a century ago.
Q&A With Detector Designer Dave Johnson
...it’s been a little known secret that one man was involved in designing many of the most respected very low frequency (VLF) nugget detectors on the market. Dave Johnson has designed gold-oriented detectors for Tesoro, Whites, Fisher and others for more than 25 years.
Humble Beginnings
Right away I got a target, and it ended up being gold from a nice little bench. With only an hour left of daylight, I continued heading upstream and found five more tiny pieces of gold with my VLF…
Mining for Gemstones and Mineral Specimens
It is better in a gem and mineral mining operation that the driller, blaster and mucker be the same person in order to be able to predict placement of the desired mineral enriched pockets.
The Art of Underwater Nugget Shooting
There is a surprising amount of detectable gold under the water’s surface. The right tools make it much easier to find, and with a little patience and practice you can take advantage of this underappreciated bonanza.
Uphill Battle Continues for California Dredgers
There are currently three controlling agencies or entities over suction dredging in California—and you can make that four if the state legislature decides to further muddy the waters with additional legislation to block suction gold dredging in the state.
Drywashing in Black Canyon, Arizona
May 2016After 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.
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The Bawl Mill
• Ask The Experts - Do I need something other than a fire assay for PGMs?
• Ask The Experts - This low-grade ore is not worth processing
• Placer Gold Deposits of New Mexico
• The Hunch
• Resurrecting An Old Hard Rock Mine—A Series of Small Victories
• The Basics of Exploration Leases and Contracts—Part I
• Gold Prospecting for Better or Worse: A Long Hike
• Mutiny on The Mason
• The Value of Evidence
• Over The Divide: Charles "Chuck" Cushman
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
