Prospecting & Detecting
Prospecting and Mining Old Mine Sites
December 2016 by Alex DolbeareIn some places valuable ores can be found within the waste material of mine dumps, sorted ore piles, and detrital vein matter at the surface. Though many of these old mine sites can be an excellent source of gold, not all are created equal.
Mining Pegmatite Deposits
With successively lower temperatures as the water mixture cools, new sets of minerals are formed and many of those stable at a higher degree of heat became subject to alteration as the temperature progressively moved lower.
Mining Journal Receives Honor
For the 20th consecutive year, ICMJ’s Prospecting and Mining Journal was voted “Prospecting Magazine of the Year”...
Gold: Is It Everywhere?
Gold, on the other hand, is super rare, and is one of the rarest elements in the earth’s crust. It averages only 0.000004 percent of the earth’s surface. That is four parts in a billion.
That First Nugget
After getting all the gear together we headed up the old road that led us to an old ground sluice site. George and Kaleb were using lightweight VLF (very low frequency) detectors. I carried a newer technology unit that is just a tad coil-heavy in the front.
Ganes Creek Hits 10 Years—Part II
You keep all you find at Ganes, with weekly tallies kept for a loose competition that I find helps motivate me. I seriously try to find more nuggets than anyone else in a given week, and usually make it or close to it.
A Trip Down the Yukon River
My girlfriend Beth and I decided to take our canoe down the Yukon and do some gold dredging...
Fluorescent Mineral Prospecting
Ultraviolet light is divided into three levels, labeled A, B and C depending on the wavelength, with C having the shortest wavelength and the most energy.
The Bawl Mill • Our Readers Say • Ask the Experts: What type of wetsuit do I need? • Prospector's Guide to Rock Breaking and Blasting • MMAC Update • Pros and Cons of Big Detector Coils • Detecting Strategies for Heavily Forested Areas • Mining Districts and Community Outreach • Alaskan Gold Adventure • Learning the Game and the Power to Change It • Central Idaho Federal Employees Back to Work With Local Help • Mining Stock Quotes and Mineral & Metal Prices • Melman on Gold & Silver