Resurrecting An Old Hard Rock Mine—A Series of Small Victories
February 2019 by Ron Kliewer
…we cheered and high-fived each other as the ore cart slowly crested the top of the headframe, then picked up a bit of speed on the short downhill section and came to an abrupt halt, ejecting its contents of ore…
Each specimen is carefully examined to determine if it would be beneficial or not to use an acid treatment to reveal more of the gold.
When my “anonymous” friend told me the rock tub was probably a hundred miles from where he safely stashed it, I decided to build another sled and improve on my old design.
Old tailing piles extend for miles. There was still plenty of water flowing here, so WPA members set up highbankers at several settling ponds.
Most placer equipment is really made with gold in the 30 and larger mesh sizes in mind, though if carefully used can often get reasonable recovery down to the 50 mesh size.
...most prospectors don't even think about the conductivity of minerals, but there are some that do conduct electricity to a certain degree, so metal detectors will respond to them.
Choosing the right method to move your ore and waste is all about making the right choices. Sometimes more than one method may be used during the life of a mine as an operation expands and grows.
George was considering filling his dredge floats with closed-cell foam, ensuring that there would be no area available within each float for flooding.
The Bawl Mill • Ask The Experts - Do I need something other than a fire assay for PGMs? • Ask The Experts - This low-grade ore is not worth processing • Placer Gold Deposits of New Mexico • The Hunch • The Basics of Exploration Leases and Contracts—Part I • Gold Prospecting for Better or Worse: A Long Hike • Mutiny on The Mason • Who Jumped Whose Claim First? • The Value of Evidence • Over The Divide: Charles "Chuck" Cushman • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices