Fire Assay Finish by Silver Nitrate Fusion for PGMs
July 2021 by Mike Robinson
…my intent is to distribute this information in layman’s language so that even the “backyard/shade tree/mom & pop” fire assayers can benefit.
Centrifugal bowls versus jigs
The gold was very chunky and much of it had quartz attached. Even back then I knew that the gold was very close to its source.
…as an academic argument, when mated to the appropriate engine, is the pump really moving water at the rate of 400 GPM?
There are currently three controlling agencies or entities over suction dredging in California—and you can make that four if the state legislature decides to further muddy the waters with additional legislation to block suction gold dredging in the state.
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.
There are a few questions you will need to ask yourself before you apply for a suction dredge permit from the State Water Resources Control Board.
I have seen many samples taken originally with an eye toward getting the highest grades possible, but later someone claims that those results represent an average grade of the whole gravel deposit.
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 • All About Hard Rock Drills • Gold Prospecting for Better or Worse: When a Gold Prospector Goes to a Diamond Mine • Why So Much Gold in Nevada? • A Golden Past • Do Gold Nuggets Come Out At Night? • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices