Garrett Electronics - trusted by real miners & prospectors!

Magazine

Large Scale Mining

Drilling for Ore

In the simplest sense, drills can be divided by their mode of action—percussion, rotary or a mixture of the two.

Online access required. Please .

Add a Comment

Additional articles that might interest you...

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.

Conductive Minerals and Your Metal Detector


...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.

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…

Gold Ores of the Delamar District, Nevada


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.

Michigan House Votes to Give Mining Operations More Flexibility


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.

Progress Continues in Honduras


He had meetings with Honduran officials at all levels, set up a new corporation called Raptor Mining in El Corpus, Honduras, and is in the process of establishing a non-profit called “Step Up for Honduras.”

Nevada Gold Value Up Along With Production


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.

Subscription Required:
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

Free:
News from the Editor   • Legislative and Regulatory Update

Advertisements

Precious Metals Recovery plants and equipment
Fighting to keep public lands open to the public
Specializing in the processing of precious metal ores!
Watch prospecting shows on your computer right now
Free Online Sample Issue