Small Mining Operations
Gold in Guyana—Part I: Porknocking on the Puruni River Road
July 2012 by Carl Brink
In part one of this two-part series on gold in Guyana, I describe artisanal mining efforts currently winning alluvial gold from small-scale placer operations located along the lower Puruni River and its tributaries.
The Importance Of Mining Critical Minerals In The USA
Critical minerals are products that the government has designated as critical to our national interest because of both their potential military and industrial applications.
Long-Term Camping Plan at Fortymile Proposed by BLM
A draft environmental assessment of a proposal to allow long-term camping by gold miners along 21 miles of the North Fork of the Fortymile Wild and Scenic River is available from the Bureau of Land Management.
Detector Brings New Life to An Old Lode Mine
…it was immediately evident the previous owner had not been using a detector. During just a few months of working the dumps part-time, he recovered gold in quartz specimens valued in excess of $40,000.
Ask the Experts
NOI or POO for small backhoe
Ophir—Possibly the Best Kept Secret in Alaska—Part II
I knew the nuggets got into the nugget patch somehow, I just had to figure out how and from what direction they came.
Proper Assaying of Placer Samples
The whole purpose of sampling mineralized ground is to measure the values in a small volume of material that would be representative of a much larger volume of similar material. The key word is representative. Chemical and fire assaying will not accurately represent placer deposits by themselves.
Wyoming's Billion Dollar Nugget—The Trilogy Ends
With eight loads processed, a pumpkin-size rock fell into the hopper, stopping the whole operation until I could lift it out.
Subscription Required:
The Bawl Mill
• Gold Depositiion and Gradients of Placer Streams—Part II
• The Life of an Independent Prospector
• That Something Extra
• Prospecting for Copper Ores—Part II
• 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
