Kennecott Copper Mine, Kennecott, Alaska
October 2017 by Jack Geck
For approximately 30 years, the mines produced good ore, some so rich it was simply sent straight to bagging, bypassing milling and loaded directly on the rail cars.
Mining “giant” John A. Miscovich died August 22, 2014, at the age of 96. He was the well-known inventor of the “Intelligiant” water cannon.
We descended hunched over, down a long, steep, wooden staircase to the 1,000-level.
There are a number of veins in the disseminated mineralization, but the principle ones on Round Mountain are known as the Los Gazabo and the Keane.
The most obvious benches are usually near the valley floor, but they can be thousands of feet above the valley floor. Since benches were made by streams, they can contain placer deposits.
In some ways, silver is the forgotten precious metal because it straddles both the world of precious metals and jewelry, while having many important industrial applications like a base metal. The price of silver reflects both the precious metal investment demand as well as the industrial demand.
Historically, Montana has been an important gold producer, in terms of both lodes and placers, and it still produces gold for the prospector today.
Most gold-bearing veins in this region are controlled by fractures associated with the Melones Fault, a late Cretaceous structure that is 108 to 127 million years old.
The Bawl Mill • Legislative and Regulatory Update • Ask The Experts - Where should I get my geology degree? • Ask The Experts - How much rock shall I crush to determine the value? • Placers Directly Associated with Lode Deposits • Is It Time for a Change? New Ways to Find More Gold • MMAC Update • Silverton's Gold • Procuring Mine Owner Permission at a Mine Site • Champions Crowned at the California State Gold Panning Championships • Drywashing for Fine Gold • ICMJ Gold Prospecting and Mining Summit Postponed • High Prices for Gold, Silver & Copper: What Does it Mean for Prospectors? • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices