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Large Scale Mining

Canadian Company Recovers 1,111-Carat Diamond

It is the second largest gem-quality diamond in history, after the 3,106-carat “Cullinan Diamond” was recovered in South Africa in 1905.

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The Giant King Mine


Most gold-bearing veins in this region are controlled by fractures associated with the Melones Fault, a late Cretaceous structure that is 108 to 127 million years old.

2018 National Mining Hall of Fame Inductees


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.

Advancements in Non-Toxic Gold and Silver Leaching


The non-toxic thiosulfate is actually the medical antidote given to people for cyanide poisoning. By accomplishing both neutralization and metals recovery, this process creates an economic and environmentally attractive process.

Sixteen to One Gold Mine: Unique Challenges and Potential Rewards - Pt I


Many of the Sixteen to One’s challenges arise from its unusual geology and the pocket characteristics of the ore deposits.

Mineral Exploration On The Rise


…2017 was just the first year with a small increase after a huge drop off in exploration activity. It may take many years of future increases to get back to where the activity was in 2012, as projected increases in exploration spending are seen to be slow and steady.

El Tigre—Unlocking Values in Tailings to Jumpstart a Mine


...El Tigre Silver Corp, is taking a somewhat different path toward developing their El Tigre property located in the northern Mexican state of Sonora.

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