History & Geology
Exploring Iron Oxide Copper Gold Deposits
November 2017 by Chris Ralph
The excitement over IOCG deposits began with the discovery of a monster deposit at Olympic Dam in Australia in 1976. The discovery was accidental as the operator was searching for strata-bound copper deposits.
Ophir—Possibly the Best Kept Secret in Alaska!
...I decided to excavate the semi-frozen high-bank that was resting on a soft shale bedrock footing. Within three feet, I encountered an intrusive!
The Gold, Silver and Base Metal Mines of Eureka, Nevada
...the area around Eureka, Nevada is well mineralized and seems to have a bright potential for future production of all sorts of metals.
Gold Deposits of the Ivory Coast
Ivory Coast has considerable gold reserves, and this nation has the largest area of greenstone belts prospective for gold in the continent.
Liberty and the Phoenix Mine
Liberty, Washington is located in the mountains near Yakima and Ellensburg. There is nothing much in Liberty except for about 20 houses on patented mining claims and a lot of dry holes.
Silver and Base Metal Deposits of the Pioche District
The areas that were mineralized with the bedded ore were huge and vast tonnages were indicated, although they had no idea at the time.
The Bawl Mill
• Do as I say, not as I do...
• By the numbers...
Gold in The Silver Crown District, Wyoming
When my field assistant Jay Roberts and I entered the mine, it appeared as if someone just walked out of the mine, turned off the lights and never returned.
Subscription Required:
The Bawl Mill
• Legislative and Regulatory Update
• Ask The Experts - How do I work this glacial deposit?
• Ask The Experts - How do I best recover gold in pyrite?
• It Pays to Know Your Bedrock
• BLM Cancels 10-Million-Acre Sage Grouse Mineral Withdrawal
• Take it to Bedrock
• The Beatty Mining District of Nevada
• Flood Plain Gold Deposits—What Are They Really?
• Conrey Dredge No. 4
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
Over the Divide: Nancy Glenn; Sondra (Adelson) Bernzweig
