All Articles
Melman on Gold & Silver
July 2004 by Leonard Melman
The greatest headline maker of the past month was not a person, not a war, not a nation and not a political contest. Instead, that honor belonged to a gooey, flammable, black substance called petroleum as it shot through $42.00 per barrel...Additional articles that might interest you...
Miners Discuss Struggles at NWMA
January 2009
Falling metal prices and rising production costs have squeezed profits in recent months, forcing many mine layoffs and putting some new mines on hold. Now, the industry is gearing up for another fight over mining reform legislation with a Congress that has fewer mining supporters after November’s elections that saw Democratic majorities increase in both houses.
Falling metal prices and rising production costs have squeezed profits in recent months, forcing many mine layoffs and putting some new mines on hold. Now, the industry is gearing up for another fight over mining reform legislation with a Congress that has fewer mining supporters after November’s elections that saw Democratic majorities increase in both houses.
The Art of Finding Coarse Gold—Part III
February 2005
In the first part of this article, we took a look at the special geology required to form coarse gold. In the second part, we looked at field examples of coarse gold occurrences and the geology of residual placers.
In the first part of this article, we took a look at the special geology required to form coarse gold. In the second part, we looked at field examples of coarse gold occurrences and the geology of residual placers.
Spanish Silver in Arizona
October 2001
When Spaniards entered what is now Arizona, they encountered diggings made by Opata Indians. The Opata Indians, who now live and mine in the northeastern part of the state of Sonora, Mexico, were one of the few Indian tribes that was...
When Spaniards entered what is now Arizona, they encountered diggings made by Opata Indians. The Opata Indians, who now live and mine in the northeastern part of the state of Sonora, Mexico, were one of the few Indian tribes that was...
Legislative and Regulatory Update
October 2018
- Interior Department reigns in “sue and settle”
- Comments needed on Forest Service Part 228 regulations
First Load of Concentrate Leaves Reopened Ruth Mine
November 2004
Five years after depressed copper prices forced the Robinson mine to shut down, the first truckload of concentrate pulled out in what its new owner sees as a renewal of the facility and Ely-area residents hope is a rebirth of the region.
Five years after depressed copper prices forced the Robinson mine to shut down, the first truckload of concentrate pulled out in what its new owner sees as a renewal of the facility and Ely-area residents hope is a rebirth of the region.
Critical Metals: Antimony
June 2016
I’ve been taking a look at the mining and uses of a number of critical metals in series of articles, and it’s time to take a look at antimony.
I’ve been taking a look at the mining and uses of a number of critical metals in series of articles, and it’s time to take a look at antimony.
The Fire Assay of Carbon
February 2016
Carbon, activated charcoal, or “char,” as some old timers refer to it, can be an assayer’s nightmare.
Carbon, activated charcoal, or “char,” as some old timers refer to it, can be an assayer’s nightmare.
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