Large Scale Mining
Canadian Company Recovers 1,111-Carat Diamond
December 2015 by Scott Harn
It is the second largest gem-quality diamond in history, after the 3,106-carat “Cullinan Diamond” was recovered in South Africa in 1905.
A Father’s Day to Remember: 24,000 Ounces Gold in Quartz
Father’s Day in Australia was on September 2, and it’s a day a group of miners from “down under” won’t soon forget.
DNI's Black Shale Metals Projects
While much attention in northern Alberta has been focused on the rapidly growing “oil sands,” another story of particular interest to the mining community has been taking shape virtually unnoticed in the same region.
Gold Pour Signals Revival in the Mother Lode
Miners are digging again where their forebears once unearthed riches from eight historic mines that honeycomb Sutter Gold Mining Company’s holdings about 50 miles southeast of Sacramento.
Underground Mining: Getting the Ore Out
Choosing the right method to move your ore and waste is all about making the right choices. Sometimes more than one method may be used during the life of a mine as an operation expands and grows.
Underground Mining: Stoping Methods
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 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.
Prospecting for Copper Ores—Part II
Copper is a critically important metal that we need to run our modern electronic society, and the long term outlook for this metal is for a steady increase in price.
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