History & Geology
Eolian Gold Deposits
February 2014 by Chris Ralph

The Birimian Greenstone Belts of West Africa

Prospecting for Copper—What to Look for on the Outcrop
For the prospector, knowing what oxidized hydrothermal alteration looks like in the field is an important exploration tool.
Prospecting for Copper Ores—Part II
Copper is a critically important metal that we need to run our modern electronic society, and the long term outlook for this metal is for a steady increase in price.
Nevada's Silver City Gold District—Part I

Exploration Rush at Tonopah, Nevada
A few months later, a young, greenhorn lawyer agreed to pay to have it assayed, and the quartz turned out to be rich in both gold and silver.
Ask The Experts
Q: Is there a correlation between fault zones and mineralization of economic metals?
Critical Metals: Copper

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
• Copper Deposits of Alaska
• 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