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...
Underground Geologic Mapping
February 2000
Mapping geology underground is not difficult if one knows the procedures. This article presents the procedures that will allow any miner to produce a geologic map of their workings.
Mapping geology underground is not difficult if one knows the procedures. This article presents the procedures that will allow any miner to produce a geologic map of their workings.
A Trip Down the Yukon River
April 2013
My girlfriend Beth and I decided to take our canoe down the Yukon and do some gold dredging...
My girlfriend Beth and I decided to take our canoe down the Yukon and do some gold dredging...
The Tangential Impulse Water Wheel in California Gold Mining History—Part I
February 2004
The modern tangential impulse water wheel, a device best suited for hydroelectric power production where high water head is available, is an ingenious device born in the historic gold mining industry of California in the 19th Century.
The modern tangential impulse water wheel, a device best suited for hydroelectric power production where high water head is available, is an ingenious device born in the historic gold mining industry of California in the 19th Century.
1999 Tables of Content
December 1999
Celebrating California's Golden Sesquicentennial & A Century of Mining
Celebrating California's Golden Sesquicentennial & A Century of Mining
"I Got Dusted"
October 2008
Out of the blue Archie mentioned, "I was dusted." My dad misunderstood and thought Archie had developed silicosis, then known and feared as "miners lung."
Out of the blue Archie mentioned, "I was dusted." My dad misunderstood and thought Archie had developed silicosis, then known and feared as "miners lung."
$100 Million Lost on Faulty ESA Listing
March 2005
The Preble’s meadow jumping mouse, once seen as a costly impediment to development, is now viewed by the government as a critter that never really existed—and is no longer in need of federal protection under the Endangered Species Act.
The Preble’s meadow jumping mouse, once seen as a costly impediment to development, is now viewed by the government as a critter that never really existed—and is no longer in need of federal protection under the Endangered Species Act.
The Furnace Atmosphere During the Fire Assay
January 2001
It has been claimed that the introduction of excess air to the assay furnace during sample fusion can materially increase the gold yield. Testimony by expert witnesses for the defense in recent federal hearings dealing with the dependability of the gold fire assay includes data purported to show this.
It has been claimed that the introduction of excess air to the assay furnace during sample fusion can materially increase the gold yield. Testimony by expert witnesses for the defense in recent federal hearings dealing with the dependability of the gold fire assay includes data purported to show this.
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