History & Geology
Ask the Experts: VMS ore
August 2012 by Chris Ralph
Q: Are there any mills that handle VMS ore?Prospecting for Diamonds
Let’s take a look at diamonds and diamond mining and see how they form, how they are used beyond just jewelry, and what leads geologists to find diamond deposits.
Conrey Dredge No. 4—Part II
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.
Arizona's Vulture Gold Mine and Lost Dutchman
When prospectors and treasure hunters talk of gold in Arizona, it is the Lost Dutchman or Vulture mine they usually think of. The Lost Dutchman gold mine is just that—a myth chalked full of holes that has been embellished over time as any good legend should be.
Ask The Experts
Gold in clastic black shale
Glaciers and Placer Gold Deposits
It also happens sometimes that glaciers will bury valuable placer deposits. This occurs when the glacier goes over the top of an existing placer deposit.
Why Haven't They Mined This Claim?
Improvements in mining equipment and techniques, along with a higher gold price, make many mining properties profitable today that may not have been in the past.
Mass Wasting & Gold Deposits
Not all of these slides and debris flows will produce results, but if you search for these while prospecting in your gold producing areas, then you can increase your odds of finding new gold.
Subscription Required:
The Bawl Mill
• Ask the Experts: Something for everyone...
• Ask the Experts: More suggestions for dealing with metallic trash....
• Ask the Experts: various mining courses
• Sniping for Gold
• Gold in Guyana—Part II: Process Optimization at Sacre Coeur Minerals' Lower Puruni Alluvial Mining Project
• Following Clues to an Old Mill and Vein Strike
• Small-Scale Miners Rock the Mining World
• Big Rock Gold
• Still Gold in Humbug, Arizona
• Never Take Safety for Granted
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
Legislative and Regulatory Update
• Great Atlantic Resources
