Michigan DEQ Gives Tentative OK to Nickel, Copper Mine
February 2007 by John FlesherEnvironmentalists were happy when the state adopted rules governing an underground mining method that hadn’t been tried in Michigan. Now they’re angry.
The Sunshine Mine in northern Idaho could start running again in 2008.
Rotten rock (saprolite) can be found in all warm, humid regions, but is best developed in humid, subtropical climates, like that found in the American South. Outwardly, it looks like bedrock, but upon closer inspection, it can be seen that roots penetrate it and that it can be worked with a shovel or hydraulic monitor.
The 2011 gold season had finally got underway on the Middle Fork of the Feather River near Quincy, California. Cold weather and high water had pushed gold mining into mid-summer, but things were looking up.
Each year the World Gold Panning Association (WGPA) holds a world championship in one of the twenty countries that are members. The decision as to where to hold each championship involves many factors...
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
The fact that mineral deposits can contribute specific types of heavy minerals is why the analysis of the heavy mineral concentrates in the streams of an area can be an important prospecting technique for finding undiscovered mineral deposits.
Without knowing or even thinking about it, I had put together a map that showed me a pattern of the ancient Sacramento River channel. I also had a distinct picture of where the ancient channels of several other creeks and rivers were running.
The Bawl Mill • Prospectors Beat Mining Claim Tax • In Pursuit of Gold and Silver in the Sierra Madres—Establishing a Mining Company in Mexico • Update On “Special Rock” Kicking • Saved Before the Tax Bell Tolled • The Petersville—Yentna Goldfields • Demand for Copper Boosts Zambian Mining • Doc Livingston • Bum Luck • San Manuel Mine Officially Closes With a Bang • Environmentalists Target Pebble Mine • Detecting in Australia's Pilbara Region • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices • Looking Back