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.
Ganes Creek After The Flood
Doug told me that there had been a 100-year flood that took place in October of 2013 and it washed out part of the mile-long landing strip. It also washed a large, wide gully down below and above the camp.
Ask The Experts
Gold in clastic black shale
Greenstone and Gold
Contacts, faults and zones of weak rock are all places that can act as a pipeline to convey gold-bearing fluids, leading to valuable deposits.
The Paragenesis of Gold & Silver Deposits
…if you are game for digging in and learning more about the intricate details of how gold deposits form, then let’s jump right in.
Gold in The Midwest--Part I
Gold can potentially be found in all the glaciated areas of the Midwest, but to find it in any appreciable amount one needs to look to areas where the gold gets concentrated by more recent water flows.
Mohave County, Arizona: The Oatman/San Francisco Mining District
The Oatman/San Francisco Mining District’s historic gold production of 2.2 million ounces of gold since the 1880s makes this area Arizona’s greatest primary gold producing district.
Enrichment of Mineral Deposits by Weathering—Part I
The exact minerals formed in the concentrated supergene deposits depends much on the type of country rock around the deposit and the chemistry of the deposit itself, but if conditions are right, this process will form some rich patches of bonanza ore, in some places valued at thousands of dollars to the ton.
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The Bawl Mill
• Ask The Experts
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• Detector Prospecting Accessories
• Electrum: Gold and Silver Together
• Drywashing Arizona Gold
• Mineralized Faults and Contacts in the Search for Gold
• Sunshine and Gold
• 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
