History & Geology
Conrey Dredge No. 4—Part II
December 2017 by Don Madore
These were the men who periodically picked up the gold amalgam from the tables and sluices in the dredge, processed it, and transported the gold ingots to the railroad express office in Alder. Their trustworthiness must have commanded a prominent wage.
Las Médulas—The Gem of the Roman Gold Mines
This mine was a real wonder of engineering, and the water supply and drifts had to be carefully managed to keep it in operation. In fact, it didn’t close due to lack of gold, but instead closed with the fall of the Roman Empire.
The Paragenesis of Gold & Silver Deposits
…if you are game for digging in and learning more about the intricate details of how gold deposits form, then let’s jump right in.
The Seven Troughs Mining District
The favorable geology of the northeastern and central parts of the Seven Troughs Range are the parts most interesting to prospectors. They are underlain by a thick sequence of Tertiary volcanic rocks, mostly rhyolites and andesites.
The Birimian Greenstone Belts of West Africa
The country we were to visit was Burkina Faso, a small country about the same size of my home state of Nevada with about 10 times more people. The second day I was in Africa, we went out to the goldfields for the first time.
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..."
Reno's 1872 Time Capsule Includes Gold Rush Lore
The Reno Masonic Lodge was built along the railroad tracks back when Ulysses S. Grant was president and shortly after the Comstock Lode of gold and silver was struck in Virginia City.
Detecting for Gold in Australia—The Kimberley Trip
The hair stood up on the back of my neck when I saw this, especially the nice patches of wash in the bottoms of the gullies, a sure sign of an auriferous source being nearby.
Subscription Required:
The Bawl Mill
• Legislative and Regulatory Update
• Ask The Experts - Looking for help smelting gold
• Ask The Experts - Chlorine bleach and vinegar makes a deadly combination
• Ask The Experts - Were there insufficient values to continue mining at this site?
• Watch Out for Split Estates When Filing Your Claim
• Detecting the Fringe Areas
• Butte, Montana—The Richest Hill on Earth
• California: The Land of Big Nuggets—Part I
• Gold Detecting Strategies for Hydraulic Mines and Debris Flows
• New Technology for Extracting Lithium To Be Tested in Nevada
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
