Prospecting & Detecting
3D-Printed Tools for Prospecting
September 2021 by Matteo Oberto
…these two guys are part of the new hi-tech generation who review new technologies and are always looking for new ways to apply them in innovative fields!
Step-by-Step Crevicing
Gold trapped in the cracks can be encrusted close to the walls or mixed with sand and pebbles, making the gold difficult to see and then extract. Crevicing requires a lot of patience to achieve positive results.
Think You Got It All? Guess Again!
May 2016Is your gold recovery actually 95%, 90%, or even a really poor 50%? If you are not testing to know what it really is, you just don’t know. Some do regular testing, but most do not.
Gold Mining Boom in the Carolinas
Not too far from the pine-filled mountains, a young boy was exploring along Meadow Creek in Cabarrus County, North Carolina, one fine day in 1799. He discovered a beautiful rock that he took home and put to good use as a doorstop. Shortly thereafter, a jeweler stopped by to visit his folks, and as it turned out, the new doorstop was actually a 17-pound gold nugget. That nugget truly did open a door as it marked the beginning of the first gold rush in America.
Internet Forum Gold
I made my way up past where I left off and the wash was going to end in about 100 feet. It was then I got a sweet signal.
The Heavy Minerals in Your Concentrates
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.
Proper Spacing of Placer Sample Sites
The zone of influence of each sample must be carefully considered when deciding how far sample sites should be spaced from each other.
A Golden Past
My mining partner Keith McBride and I spent a week in May working on a twenty-nine man crew split up into six teams at a couple of “pay to mine” mining camps.
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The Bawl Mill
• Ask The Experts - Would a platinum nugget contain all the PGMs?
• Ask The Experts - Can you clarify how many minerals I need to identify to be successful?
• Ask The Experts - Were there any productive mines where there were no contacts?
• Commercial Placer Mining: Alaska Style
• Indicators and Hillsides
• Surviving the Unexpected
• Gold Placers of Southern California
• Gold Prospecting for Better or Worse: Throwing Away Thousand-Dollar Hot Rocks
• Libby, Montana Prospectors Keep Tradition Alive
• Colorado Miner Sues EPA Over 2015 Spill
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
