The Robinson Mine—Big Things Happen Here
January 2013 by Bill RichWhen I’m traveling through the West, I sometimes take detours that lead me to places that I never knew exist
It is the second largest gem-quality diamond in history, after the 3,106-carat “Cullinan Diamond” was recovered in South Africa in 1905.
"As elected leaders of the State of Alaska, we want you to know that Alaska is open to investment from those who seek to develop our state's natural resources safely and responsibly..."
Ivory Coast has considerable gold reserves, and this nation has the largest area of greenstone belts prospective for gold in the continent.
Silver refining has been used from ancient times to change the characteristics of the metal. Early metallurgists refined silver by heating it a couple hundred degrees above its melting point and holding the metal at an elevated temperature for a period of time.
Today, a Canadian company is reviving the mine to take advantage of silver prices that have tripled since 2009, giving the few dozen residents still living in the area more action than they’ve seen in decades.
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.
In an old mine that does not have stopes, you know the old miners did not take much if any ore out of that excavation. On the other hand, if you see large stopes within the mine you know that it is these places where the miners found profitable ore deposits within the vein.
The Bawl Mill • From the Editor • Ask the Experts • Iron Minerals, Your Detector and Gold • Forty-Six Nuggets • Customizing Your Dredge • Small Miner Beats Forest Service in Court • Using Vegetation and Soil Conditions as Prospecting Aids • Prospecting for Diamonds • Green Valley Reconnaissance • Gold Pour Signals Revival in the Mother Lode • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices