All About Hard Rock Drills
July 2021 by John Norman
There are three basic power sources for rock drills—electricity, gasoline and compressed air. Before we go into big pneumatic drills, we’ll start with a quick rundown of each.
While river dredging in fast water, don’t be afraid of being swept out of your dredge hole by the current. If this happens—and it most certainly will in fast water—there is no need to panic. Don’t try to swim against the current because you will waste much energy in an effort to conquer the river. Just let it take you downstream.
Within the first 3 hours he and I had found pocket after pocket of gold and couldn't wait to tell Levi of our treasure.
Some ores—mostly those with a high free gold content—are very amenable to gravity concentration. Well oxidized ores containing coarse gold are usually best for non-cyanide processes. Ores with significant sulfide content may require the...
This project taught me that you don’t need to be Albert Einstein to apply a little science to your prospecting. I learned that most of the science related to suction dredging is actually common sense. All we need to do is take the time to apply it.
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).
We spent the morning in a meeting with one of the higher-ups at the US Forest Service. I presented him with 412 complaints received from our readers, along with a summary of the complaints to make his job easier.
Once I started dredging with heated water pumped into my wetsuit, I never went back to not having heat except late in the summer when the water is very warm.
The Bawl Mill • Legislative and Regulatory Update • Ask The Experts - What percentage of the gold price can I get from a buyer? • Ask The Experts - Is a hookah battery setup legal in California? • Ask The Experts - Are friends and relatives regulated like employees? • Ask The Experts - What do you use for flux for melting gold? • Ask The Experts - Why Isn't There A Dual Coil Detector? • Ask The Experts - Who has the rights to a vein that goes under a neighboring claim? • Ask The Experts - Is platinum usually magnetic? • Ten Detecting Tips for the Savvy Desert Prospector • Gold Prospecting for Better or Worse: When a Gold Prospector Goes to a Diamond Mine • Why So Much Gold in Nevada? • A Golden Past • Fire Assay Finish by Silver Nitrate Fusion for PGMs • Do Gold Nuggets Come Out At Night? • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices