Large Scale Mining
Drilling for Ore
August 2014 by Bill Rich
In the simplest sense, drills can be divided by their mode of action—percussion, rotary or a mixture of the two.
Using Structural Clues to Locate Buried Placer Channels
They must have assumed the paystreak was spotty and had been mined out, so they never mined as close to the side of the valley as they should have.
Feds Deny Lease Renewals for Minnesota Mine
Two longstanding mineral rights leases that are critical for a proposed large underground copper-nickel mine upstream from the Boundary Waters Canoe Area Wilderness in northeastern Minnesota will not be renewed, two federal agencies announced…
Northwestern Alaska Mineral Resources
Gold and jade are actually only minor mineral resources for the Northwestern Alaska region as a whole. Modern prospecting has focused more on base metal than precious metal resources.
The Importance Of Mining Critical Minerals In The USA
Critical minerals are products that the government has designated as critical to our national interest because of both their potential military and industrial applications.
Critical Metals: Zinc
In this article, part of an ongoing series taking a look at critical metals in our economy, we will examine the mining and use of the metal zinc.
Preserving the True History of the Ivanhoe
My partner had the contacts and it wasn’t long before we had an agreement in place and the company had a geologist on site. I recall a time when he was getting the lay of the land, so to speak, and he broke off a rock sample and inspected it with his magnifier.
The Coeur Rochester Mine
One of the reasons I am bringing this article forward to readers now is that the mine personnel are celebrating the production of 150 million ounces of silver since 1986.
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