Drilling for Ore
August 2014 by Bill RichIn the simplest sense, drills can be divided by their mode of action—percussion, rotary or a mixture of the two.
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.
...most prospectors don't even think about the conductivity of minerals, but there are some that do conduct electricity to a certain degree, so metal detectors will respond to them.
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…
Even as late as 1906, Delamar was second only to Tonopah and Goldfield in production outshining many better known areas. Since the first discoveries, more than 700,000 ounces of gold have been produced from the mines here.
Casperson said he is not worried about businesses subverting the language in the bill because the DEQ would still have the authority to halt the new construction if it is deemed environmentally unsound.
Nevada gold mines produced only about 6 percent more gold in 2010 than they did the year before, but the value of that gold was up a whopping 33 percent.
Bawl Mill • Ask the Experts • Ask the Experts • Conductive Minerals and Your Metal Detector • A Model Mining Operation • BLM Raises Location and Claim Fees • I Finally Made It to Northern Nevada • Clarification on Oregon's SB838 • Sniping for Drought Gold • Successful Rally for Suction Dredge Miners in Idaho • Over the Divide • Gold Ores of the Delamar District, Nevada • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices