History & Geology
Copper Deposits of Alaska
February 2014 by Steve Herschbach
Only the famous Kennecott copper mine was able to continue operating through the Depression owing to the exceptional richness of its ore.
Reese River Silver Mining District, Nevada
The strike and the dip of the veins can be broken down into two categories: veins in the eastern area and along Lander Hill, and the veins in the southwestern portion of the district.
All About Lead Minerals, Silver and Gold
Many miners know that lead is very commonly associated with silver values, but the truth is that it is also associated with gold values in many locations as well.
Mineralized Faults and Contacts in the Search for Gold
Fault zones and rock contacts are important because the vast majority of gold and silver deposits, as well as those of many other metals, are formed by hot, mineralized water solutions.Critical Metals: Copper
From time to time I’ve been doing a series on critical metals and how important they are to our complex and technological society. This month we are going to take a look at copper, and how important that metal is to our modern lives.
Polymetallic Skarn Deposits
Polymetallic skarn deposits are an interesting class of deposits that can contain a number of different types of metals.
Using Favorable Rock Types to Find More Gold
The more experienced prospectors know these lesser known spots are the types of places where big finds are still made.
Butte, Montana—The Richest Hill on Earth
I recently had the opportunity to spend a day exploring around Butte, Montana and was amazed by the amount of mining that has taken place there. The old-timers called Butte “the richest hill on earth” and had pretty good reasons for doing so.
Subscription Required:
The Bawl Mill
• Legislative and Regulatory Update
• Ask the Experts
• Ask the Experts
• Ask the Experts
• Ask the Experts
• Our Readers Say
• The Perfect Summer
• Eolian Gold Deposits
• Divide and Conquer—Detecting Old Placer Grounds with Friends
• Reserves and Resources Explained
• Critical Metals: Lithium
• Coprolite—A Prospector's Tale
• Comstock Mining Gets Approval
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
SB 838 and the Future of Mining in Oregon
• New Mining Regulations in Maine
