Mineralized Faults and Contacts in the Search for Gold
January 2016 by Chris Ralph
What also helped keep Coulterville alive was the fact that the town itself happened to be sitting on top of one of the richest veins in the Mother Lode. The ledge itself was three hundred feet wide.
These conditions don’t just apply to Alaska and the Yukon; they apply to western Canada and even to the mountainous western United States.
Epithermal deposits form in the ground at shallow depths. They are popular with prospectors because can yield very rich deposits and they are widespread in the Western US.
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.
Only the famous Kennecott copper mine was able to continue operating through the Depression owing to the exceptional richness of its ore.
...this county contained some of the richest placer ground found in all of California and still produces some pretty impressive finds to this day.
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.
The Bawl Mill • Ask The Experts • Ask The Experts • Ask The Experts • Ask The Experts • Detector Prospecting Accessories • Electrum: Gold and Silver Together • Drywashing Arizona Gold • Sunshine and Gold • A Successful Trip Through Gold Basin • Oregon Miners File for Summary Judgment • The Significance of Nuggets in Placers • The Strange History of the Utica Mine • 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