Sampling for Success—Part I
March 2020 by Chris Ralph
All these decisions and more depend on the richness of a claim—something that is determined by sampling. But sampling isn’t cheap, and even collecting the samples can be more difficult than it appears on the surface.
The holes were overloaded with explosives, but I didn’t know it. I was just a green mining engineer fresh out of school and told to watch as the experienced miners set the charge.
The 15 rare earth elements were discovered long after the gold rush began to wane, but demand for them only took off over the past 10 years...
The fact that mineral deposits can contribute specific types of heavy minerals is why the analysis of the heavy mineral concentrates in the streams of an area can be an important prospecting technique for finding undiscovered mineral deposits.
Historically, Montana has been an important gold producer, in terms of both lodes and placers, and it still produces gold for the prospector today.
A study showed that between 1930 and 1980, only a quarter of one percent of the land in the United States was used in all mining applications combined, including surface mining, tailings disposal, underground mines, and all mineral processing facilities.
These days they employ the use of metal detectors and carefully scan the shattered rocks, hoping to hear that sound we detectorists love to hear.
Dredges actually do pretty well in freezing conditions. There are a few tips you should know, however.
The Bawl Mill • Ask The Experts -- How do I find the owners of patented property? • Ask The Experts -- Is it worth going after these rare earth minerals? • Ask The Experts -- Will a land mine detector work for gold? • How to Turn Your Gold Finds Into Cash • My First Gold Patch • Caught Between A Hard Rock and A Rare Earth Place • The Potholes—California’s Oldest Known Mining District • Over The Divide: Annie Carol Robinson • Gold Prospecting for Better or Worse: If the RV’s a Rockin’, Please Come a Knockin’ • The Mid-Winter Nugget • Gold In The Midwest—Part III: Iowa, Missouri, and Kansas • Trump Proposes $1.5 Billion to Fund US Uranium Production • Mining Stock Quotes and Mineral & Metal Prices • Melman on Gold & Silver