Prospecting & Detecting
Gold Geochemistry: Where Does Gold Come From?
February 2021 by Chris Ralph
Prospectors often wonder why gold deposits in veins like it does. Why is one vein rich while another is barren, even though they are only a few hundred feet apart?
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.
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.
Decoding Dredge Capacity
Some typical questions that you might consider asking yourself about purchasing a dredge might be…
Successful Rally for Suction Dredge Miners in Idaho
Representative Paul Shepherd stopped by, and Idaho County Commissioner Jim Chmelik dove with one of the dredgers so he could see for himself that no harm was being done to fish or their habitat.
Prospecting Old Mine Dumps With A Drone
Due to the lockdown, I spent lots of time indoors this spring and I decided to add a drone as a faithful mate in my research.
Entry-Level Metal Detectors for Gold Prospecting
These are entry-level machines designed with gold prospecting in mind and with the ability to handle mineralized ground and see nuggets of a grain or so in size, perhaps smaller.
Diary of a Diamond Prospector
I couldn’t wait to get started. With no field budget, an assay budget of $100/year, a 1975-Ford Bronco that was a road hazard, a gas card, a topo map and full support of the director, I headed to the State Line district near Tie Siding along US Highway 287 to begin mapping kimberlite.
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The Bawl Mill
• Ask The Experts - Where did the gold go?
• Ask The Experts - True north or magnetic north?
• Ask The Experts - How do I avoid claim jumping?
• Ask The Experts - Are closed placer and lode claims worth my time?
• Goal Setting and Rock Tossing
• Principles of Designing Your Mill Production System, Part II: Mill Design
• Gold Prospecting for Better or Worse: A Claim to Die For
• Tips and Tricks: How to Make Your Own Gold Bars Without Burning the Place Down
• Understanding Rock Formations: Petrology for Prospectors
• Minnesota Lawmakers Move to Stop New Mines
• Drywashing for Desert Gold—Part I
• Seven Troy Ounces of Premonition?
• I Was Looking for Gold But I Found Jade
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
