History & Geology
Glaciers and Placer Gold Deposits
November 2016 by Chris Ralph
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.
The Verde Copper-Gold-Silver-Zinc District, Jerome, Arizona
When I was a student in the College of Mines at the University of Utah, the Verde district was used as an exploration model for “submarine volcanogenic massive sulfide deposits.” So I looked forward to visiting this district and the town of Jerome in central Arizona in the spring of 2012.
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.
Critical Minerals: Gold
A few quick calculations show that approximately 11 tons of gold are lost each year just in the manufacture of new cell phones.
Gold Refining In The Ancient World
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.
Copper Deposits of Alaska
Only the famous Kennecott copper mine was able to continue operating through the Depression owing to the exceptional richness of its ore.
Round Mountain, Nevada
There are a number of veins in the disseminated mineralization, but the principle ones on Round Mountain are known as the Los Gazabo and the Keane.
Subscription Required:
The Bawl Mill
• Our Readers Say
• Legislative and Regulatory Update
• Detecting: Small Creek Yields Good Gold
• Ask The Experts: Is this BLM demand legitimate?
• The Challenge of Winter Dredging
• What Have You Got to Lose?
• MMAC Update
• How to Upgrade Your Pocket Plunger
• What's In A Name?
• Oregon Miners Still Fighting
• Greenhorn Finds Gold in Colorado
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
Free:
