Large Scale Mining
The Ely Copper-Gold District of Nevada
January 2015 by Chris Ralph
The main ore deposits of the Ely district are associated with an east-west belt of altered and mineralized rocks measuring about one mile wide that extends 8 miles westward from Ely.
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.
Judge Denies Request To Delay Michigan Mine
Manderfield’s ruling opens the way for Kennecott Eagle to begin blasting. The company has declined to say when it will start. A spokeswoman said drilling would begin “in the coming weeks".
Northwestern Alaska Mineral Resources
Gold and jade are actually only minor mineral resources for the Northwestern Alaska region as a whole. Modern prospecting has focused more on base metal than precious metal resources.
The Seven Troughs Mining District
The favorable geology of the northeastern and central parts of the Seven Troughs Range are the parts most interesting to prospectors. They are underlain by a thick sequence of Tertiary volcanic rocks, mostly rhyolites and andesites.
Iron Ores and Iron Mining
For more than 40 years, iron ore prices have been decided by private negotiations conducted between the largest of the iron miners and the largest steel producers. These two sides dominate both the spot and contract iron ore markets.
Cue Resources Seeks Uranium in Paraguay
Cue’s recent development of the Yuty Project has coincided with growing strength in the general uranium market. The price for fuel-grade uranium has risen to above $70 per pound for the first time in several years...
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.
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