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 Bull Resources Sees Bright Future for Silver & Zinc
The Sierra Mojada Project lies within a historic high grade silver, lead and zinc mining district originally discovered in 1879.
Great Panther Silver
The company acquired the Guanajuato Mine Complex in 2005, and since that time they have carried out extensive drilling programs, both from surface and underground, with particular emphasis being placed on the Cata Clavo Zone.
EPA Reopens Comments on Pebble Project
The settlement did not grant an immediate approval for the project, but it did begin to clear the way for the company to apply for federal permits—a path the Obama administration previously had thwarted.
Modern Mining Reclamation
A study showed that between 1930 and 1980, only a quarter of one percent of the land in the United States was used in all mining applications combined, including surface mining, tailings disposal, underground mines, and all mineral processing facilities.
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 Struggle to Reopen Alaska's Largest Gold Mine
The historical AJ mine, located east of Juneau, Alaska, was considered the largest gold mine in the state at one time. Joe Juneau and Richard Harris struck gold there in 1880, and it has been more recently known as a tourist destination.
Care and Lubrication of a Model 13 Laboratory Wilfley Table
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.
Subscription Required:
The Bawl Mill
• Our Readers Say
• Ask The Experts
• SB 838 and the Salem Witch Hunt
• Small-Scale Hard Rock Production
• Researching Mineralized Areas
• MMAC & PLP Update
• VLF Detector Operating Modes
• Using Geologic Maps
• Lost Sally's Gold
• Time to File Claims in Southern California
• Colorado Disputes Key Part of EPA Mine Report
• Picking Our Way Through Bedrock
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
Free:
Legislative and Regulatory Update
• What Is Incidental Fallback?
