Large Scale Mining
Prospecting for Copper Ores—Part II
July 2012 by Chris Ralph
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.Additional articles that might interest you...
The Basics of Froth Flotation
June 2015
I thought it might be worthwhile to take a look at the basics of this important mineral separation technique and how a miner can use it to recover the values out of an ore.
I thought it might be worthwhile to take a look at the basics of this important mineral separation technique and how a miner can use it to recover the values out of an ore.
New Silver and Zinc Mine Slated for Montana
September 2012
Arizona-based International Silver Inc. is proposing an underground silver and zinc mine in Montana and has asked Butte-Silver Bow County to lease them the surface and mineral rights to hundreds of acres.
Arizona-based International Silver Inc. is proposing an underground silver and zinc mine in Montana and has asked Butte-Silver Bow County to lease them the surface and mineral rights to hundreds of acres.
Round Mountain, Nevada
May 2014
There are a number of veins in the disseminated mineralization, but the principle ones on Round Mountain are known as the Los Gazabo and the Keane.
There are a number of veins in the disseminated mineralization, but the principle ones on Round Mountain are known as the Los Gazabo and the Keane.
The Seven Troughs Mining District
September 2016
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.
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.
Care and Lubrication of a Model 13 Laboratory Wilfley Table
June 2016
A Wilfley table works best when all of the mineral being run across it (the pulp) is about the same size. For this reason, I took a good look at each of the samples.
A Wilfley table works best when all of the mineral being run across it (the pulp) is about the same size. For this reason, I took a good look at each of the samples.
Gold and Silver Deposit May Be World's Largest
June 1999
A crater in an undersea volcano off Japan may contain the world's largest gold nugget ever found...
A crater in an undersea volcano off Japan may contain the world's largest gold nugget ever found...
Partner Withdraws from Pebble Project
October 2013
One of the partners in a massive and contentious proposed gold and copper mine in Alaska is pulling out, raising questions about the future of the project.
One of the partners in a massive and contentious proposed gold and copper mine in Alaska is pulling out, raising questions about the future of the project.
Subscription Required:
The Bawl Mill
• Gold Depositiion and Gradients of Placer Streams—Part II
• The Life of an Independent Prospector
• Gold in Guyana—Part I: Porknocking on the Puruni River Road
• That Something Extra
• Metallic Trash—Scourge of the Prospector
• Gold Mining Boom in the Carolinas
• California Suction Dredging Update
• Mine, Baby, Mine!
• Hecla to Reopen Lucky Friday Mine
• Nova Scotia Shows It's Serious About Jobs & Mining
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices







