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.
Silver Boom Prompts Idaho Mine Expansion
The Lucky Friday is already one of North America’s deepest hard-rock mines. Now, the 62-year-old mine is about to get much deeper.
GMV Minerals and Guyana Gold
Guyanese gold deposits occur in deformed and metamorphosed greenstones made up of alternating mafic to felsic volcanic and sedimentary rocks intruded by granitoid basoliths and stocks.
Obama Administration Moves to Block Mining Near Yellowstone
Republicans and industry representatives have criticized the administration’s eleventh-hour actions to limit development and promised to seek their reversal once Obama leaves office.
Hecla to Reopen Lucky Friday Mine
Heclas’s underground Lucky Friday Mine in Idaho is scheduled to reopen following a series of accidents, which included the death of two miners.
Re-Opening Nevada’s Relief Canyon Mine
When I read about these new discoveries, I often wonder how the original operators ignored all the additional ore. Yet this has happened again and again in Nevada and many other places.
Large Gold Deposit Types
It is not necessary to have a PhD in geology, but you need to know the basics, so that’s what I am going to try to dig into here—the understandable basics of these gigantic gold deposits.
Gold Deposits of the Ivory Coast
Ivory Coast has considerable gold reserves, and this nation has the largest area of greenstone belts prospective for gold in the continent.
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