Using Countercurrent Material Flow to Improve Gold Recovery Efficiency
December 2020 by Keith Bowen
There is a material processing principle widely used in large milling operations to improve recovery that is poorly understood by most of the micro-mining and prospecting community...
Old mine workings and tailing piles can represent opportunities on many levels, from the chance to simply find a nugget on up to the commercial reworking of the old tailings for profit.
I couldn’t wait to get started. With no field budget, an assay budget of $100/year, a 1975-Ford Bronco that was a road hazard, a gas card, a topo map and full support of the director, I headed to the State Line district near Tie Siding along US Highway 287 to begin mapping kimberlite.
Since this position was the least desirable due to the hard physical labor, the bucking room was used as punishment. Do you have a mediocre worker? Bad attitude? Off to the bucking room!
There weren’t as many pieces of gold, but what I did find was bigger. As I worked my way down towards the spot that I had been working the first three days, I noticed a large crack that crossed the river.
Looking for nugget laden bedrock in forested mountain regions, you first need to explore the banks of the gold-bearing streams and look for the bedrock that is exposed as this is your starting point.
From this I inferred that engine 2 had a carburetor problem. In this article, I discuss the specific engine/carburetor problem, and the surprising solution to this problem.
Besides the EPA issue, our major priority is to work on the proposed amendment to the National Strategic and Critical Minerals Production Act (S 145), a bill proposed in the Senate by US Senator Dean Heller (R-Nevada).
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? • Reading A River: Understanding Erosion and Gold • The Basics of Permitting and Bonding Your Mining Operation • Plotting and Persistence Lead to Big Gold • 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