History & Geology
The Strange History of the Utica Mine
January 2016 by Staff
In the summer of 1854, John Selkirk, a discouraged placer miner who was down on his luck and ready to go back to Massachusetts, tied his mule up in a gulch north of what is now downtown Angel's Camp.
Montana’s Rosetta Stone: Discovering Mines In The Treasure State
This is the intelligent way to start modern prospecting. The value of literary research yields challenging outings, specimens, history and geologic research.
Exploring Iron Oxide Copper Gold Deposits
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.
The Pedro Gold Dredge
The decision was made to move the dredge intact, a massive undertaking indeed. The goal was to move it only one mile to the Busby’s Chicken Gold Camp, but what a mile that was to be.
Polymetallic Skarn Deposits
Polymetallic skarn deposits are an interesting class of deposits that can contain a number of different types of metals.
Placer Gold Deposits of Utah
The placer deposits of Utah occur in two distinct types of environments. These are 1) placers found adjacent to, and derived from, gold, silver and base-metal deposits; and 2) placers found in major rivers and derived from unknown, distant sources.
Gangue Minerals - What Do They Tell Us?
There are a large number of different kinds of gangue minerals, and each of them has its own tale to contribute to the story of the chemistry and geology of a deposit.
Researching Mineralized Areas
There are a load of ways to do research, and I’m going to talk about how I do it—maybe you’ll get some ideas that will work for you, too.
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The Bawl Mill
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• Drywashing Arizona Gold
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• A Successful Trip Through Gold Basin
• Oregon Miners File for Summary Judgment
• The Significance of Nuggets in Placers
• Forest Service Seeks to Lock Miners Out in South Dakota
• Maitland Bar Nugget to Go On Display
• Company Says Central Idaho Project Feasible
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
