Small Mining Operations
Preserving the True History of the Ivanhoe
April 2019 by R. V. Larson
My partner had the contacts and it wasn’t long before we had an agreement in place and the company had a geologist on site. I recall a time when he was getting the lay of the land, so to speak, and he broke off a rock sample and inspected it with his magnifier.
Gold Recovery with Centrifugal Bowls
Centrifugal bowls are very efficient, and with proper operation they can consistently achieve gold recoveries above 95% with gold of about 50 mesh size.
Proper Placer Sample Processing
...your sampling procedures should not be designed to catch gold your mining technique will never recover.
Bering Sea Gold—Part II
In last month’s issue we covered the initial discovery of gold, the subsequent gold rush that occurred around Nome, some of the geology of the area and past production. We’ll conclude the article in this issue with a further examination of the geology and deposit types, discuss the resources...
Recovering Fine Gold with Oleophilic Adhesion
Oleophilic means "affinity to or attracted to oils," and this includes gold an diamonds.
My First Carolina Nugget
On my weekends off I spent many hours dredging the Second Broad River from Cane Creek Road up to the headwaters. I used a three-inch dredge with air and graduated to a five-inch with air.
Northwestern Alaska Mineral Resources
Gold and jade are actually only minor mineral resources for the Northwestern Alaska region as a whole. Modern prospecting has focused more on base metal than precious metal resources.
Putting Together A Small Free Gold Mill
Most small-scale miners want to know how they can set up a system much more cheaply. The difficulty is in the balance of putting together a decent small-scale system at a reasonable cost.
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• Our Readers Say
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• How To File A Mining Claim
• Back to Basics--Finding Gold With a Pan and a Sluice
• Persistence Leads to Over a Pound of Gold
• Gold Prospecting for Better or Worse: The Superbowl Nugget
• Revisiting The Old Mini Patch
• Carr Fire Gold
• Secrets of Successful Prospecting
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
