History & Geology
Gold Circle (Midas) Gold District
May 2021 by Alex Dolbeare
Many prospectors thought that Nevada was all prospected out following all the rich discoveries of the 1860s and 1870s, and what was there to be found had already been found.
Rare Silver Nuggets And Their Origins
Silver nuggets have been described as “ultra-rare,” “prized” and “unique.” Naturally occurring silver nuggets are rare enough to suggest caution when purchasing. Fakes have reportedly been produced and misrepresented for sale as genuine specimens.
Ophir—Possibly the Best Kept Secret in Alaska!
...I decided to excavate the semi-frozen high-bank that was resting on a soft shale bedrock footing. Within three feet, I encountered an intrusive!
Our Readers Say
• "...just about more than I can stand."
• "I hope you can answer my number one question..."
• "...I still go out and mine a little at my old stompin' grounds in Siskiyou County..."
• "...New Prospecting Club in the Southeast."
• "...9 ounces...in two weeks."
• "...It's no secret..."
Picks & Pans: Gold Recovery in Placer Mining Operations
Two of the major factors affecting the profitability of a placer mining enterprise are the relative efficiency of the mining equipment, and the rate and percentage of recovery obtained while conducting mining operations.
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.
The Giant King Mine
Most gold-bearing veins in this region are controlled by fractures associated with the Melones Fault, a late Cretaceous structure that is 108 to 127 million years old.
The Golden Days of Julian, California
Some scattered reports say that gold may have been washed from streams here as early as the 1840s, but the undisputed major discovery came in 1870.
Subscription Required:
The Bawl Mill
• Ask The Experts - What is oxide gold?
• Ask The Experts - Can you recommend settings for a Gold Bug 2 in Vermont?
• Ask The Experts - Where can I market my gold property?
• Ask The Experts - Is there a detector for locating fine gold?
• Pinpointing for Gold
• Commercial Blaster Training
• How Rich Must My Ore Be?
• Gold Prospecting for Better or Worse: All Shook Up
• The ABCs of XRF
• How to Find Prospects That Others Missed
• Gold 1822 Half Eagle Fetches Record at Auction
• Utah Tellurium Mine Creates New US Supply of Key Mineral
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
