All Articles
The Bingham Canyon Copper Mine
October 2010 by Alan J. Chenworth
While the current mine plans forecast an end of mining in about 2019, Bingham Canyons’ future remains bright. Company officials are looking at an expansion that, if approved, will extend the mine life until about 2036.
Additional articles that might interest you...
Prospecting Ores Shoots and Hidden Veins for Specimen-Grade Gold Samples
June 1999
Until about 20 years ago, interest in Wyoming's gold was at an all-time low, not only because of relatively-low gold prices, but also due to the lack of information on many of the state's gold deposits.
Until about 20 years ago, interest in Wyoming's gold was at an all-time low, not only because of relatively-low gold prices, but also due to the lack of information on many of the state's gold deposits.
Looking Back
September 2002
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
The Ely Copper-Gold District of Nevada
January 2015
The main ore deposits of the Ely district are associated with an east-west belt of altered and mineralized rocks measuring about one mile wide that extends 8 miles westward from Ely.
The main ore deposits of the Ely district are associated with an east-west belt of altered and mineralized rocks measuring about one mile wide that extends 8 miles westward from Ely.
Who Jumped Whose Claim First?
February 2019
At this point, stress raised my blood pressure and I was figuring out escape routes through the brush, but thought it best to continue the conversation.
Fabulous Florence—The Golden Town of Idaho
May 2012
In September 1861, on a round-about prospecting journey homeward, five California gold miners discovered gold in the area now called Florence. While watering the horses, one of the men noticed a golden color on a piece of slate bedrock in the stream...
In September 1861, on a round-about prospecting journey homeward, five California gold miners discovered gold in the area now called Florence. While watering the horses, one of the men noticed a golden color on a piece of slate bedrock in the stream...
Picks & Pans: Gold Recovery in Placer Mining Operations
August 1999
Two of the major factors affecting the profitability of a placer mining enterprise are the relative efficiency of the mining equipment, and the rate and percentage of recovery obtained while conducting mining operations.
Two of the major factors affecting the profitability of a placer mining enterprise are the relative efficiency of the mining equipment, and the rate and percentage of recovery obtained while conducting mining operations.
Following Clues to an Old Mill and Vein Strike
August 2012
My last update on this adventure was in the April 2012 issue and involved our search for the northern extension of the Cedarberg Mine. At that time we had found it and we were in the process of returning for some detecting when Mother Nature struck with a late rain and snow storm.
My last update on this adventure was in the April 2012 issue and involved our search for the northern extension of the Cedarberg Mine. At that time we had found it and we were in the process of returning for some detecting when Mother Nature struck with a late rain and snow storm.
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