Small Mining Operations
The ABCs of XRF
May 2021 by Ron Kliewer
Fast forward to present day and the XRF has come of age. Pull the trigger on the hand-held device and you get a nearly instant assay of the surface of a rock.
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.
A Test Grid Dredged for Gold Values
The evaluation must also consider the gold fineness or purity. The purity of the Sugardaddy nuggets is estimated at 850 fineness, meaning 85% is gold (Au), 12% is silver (Ag) with 3% being other gangue alloyed metal.
Hard Rock 101: Advanced Micro Blasting
They… create negligible fumes and much less fly rock than blasting. Below are some tips on maximizing your effectiveness with these tools.
21st Century American Gold Rush: Rare Earth Elements
The burning question I needed answered was why didn’t the deposit ever get mined of at least one of the valuable minerals? A couple of reasons have come to light.
Extracting & Smelting Your Gold
Unfortunately, not all the gold that we prospectors find is pretty, or appealing to the eyes. They are not all nice, bright, shiny nuggets with lots of character that carry high collector value.
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• Commercial Blaster Training
• How Rich Must My Ore Be?
• Gold Prospecting for Better or Worse: All Shook Up
• Gold Circle (Midas) Gold District
• How to Find Prospects That Others Missed
• Gold 1822 Half Eagle Fetches Record at Auction
• Utah Tellurium Mine Creates New US Supply of Key Mineral
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices