Reading A River: Understanding Erosion and Gold
December 2020 by Chris Ralph
Rivers are not just random and accidental; streams and other drainages are what they are because of the forces of erosion acting on the bedrock.
A week later, a small team of us hit it again, and this time the gold really showed up.
We descended hunched over, down a long, steep, wooden staircase to the 1,000-level.
Perhaps the most notable thing about skim placers is that they form on the top surface of gravel bars, as opposed to coarser gold placers where the weight of the gold particles allows the gold to settle down on or near bedrock.
After washing the top sixty to ninety feet of gravel, the old- timers hit the bedrock. The bedrock paid one-eighth to one-half of an ounce to the square foot…
...even the best prospectors have times when they do not find gold. It is all about taking chances against tough odds and succeeding.
When everything is still dry, one of my favorite methods of prospecting is using a straw to blow out small cracks and crevices that dot the exposed bedrock along a stream.
The high prices for gold and silver are exciting and certainly have revolutionized the prospecting and mining scene. New interest in gold and silver mining is springing up from every corner, from individual prospectors armed with gold pans to exploration and mining companies working to set up multimillion dollar commercial operations producing hundreds of thousands of ounces per year. The idea of getting riches from rocks is one that motivates a lot of folks all over the globe. It’s an exciting time, but this excitement brings out another side...
The Bawl Mill • Legislative and Regulatory Update • Ask The Experts - Is this prospect worth sampling? • Ask The Experts - Can you recommend resources for southeast Alaska? • Ask The Experts - Can I pay someone to research a claim for me? • Ask The Experts - Do larger detector coils see deeper nuggets? • The Basics of Permitting and Bonding Your Mining Operation • Plotting and Persistence Lead to Big Gold • Using Countercurrent Material Flow to Improve Gold Recovery Efficiency • Gold Prospecting for Better or Worse: The First Year Is The Hardest • Mining In The El Paso Range of Southern California • Tips and Tricks: A Dredging Tip for Clearing the Tailings Pile • The Kern River • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices