Prospecting & Detecting
Understanding Rock Formations: Petrology for Prospectors
February 2021 by Chris Ralph
There are times when being able to recognize a type of rock can make you a much more successful prospector.
Ophir—Possibly the Best Kept Secret in Alaska!
...I decided to excavate the semi-frozen high-bank that was resting on a soft shale bedrock footing. Within three feet, I encountered an intrusive!
Rediscovering Placerville, California
Several areas came to mind, but each was eliminated for one reason or another. One that seemed to be hanging on was the old historic mining town called Placerville.
What is a Valid Mineral Discovery?
One of the greatest opportunities afforded to the citizens of our country is the right to stake and hold mining claims on federal lands. One doesn’t need to be a lawyer to stake mining claims, but a little bit of knowledge about mining claim laws can be helpful.
Our Readers Say
• Prospecting for Diamonds in Kimberlite by W. Dan Hausel
• Miners referring to their activity as “recreational”
Tracing Gold To Its Source
In this article I am going to talk about the different sources of gold and the clues a prospector can follow to find the source.
Contrary to Rumors, Couple Will Keep the Saddle Ridge Hoard
Some media outlets have speculated the hoard of coins came from a theft at the old US Mint in San Francisco that was reported in 1901.
Detecting Alluvial Bench Deposits
The same questions you ask yourself about gold trapping features in the present stream can be applied to the benches above the stream. Just imagine the stream at a much earlier time, before it cut its way down to the present level…
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The Bawl Mill
• Ask The Experts - Where did the gold go?
• Ask The Experts - True north or magnetic north?
• Ask The Experts - How do I avoid claim jumping?
• Ask The Experts - Are closed placer and lode claims worth my time?
• Gold Geochemistry: Where Does Gold Come From?
• Goal Setting and Rock Tossing
• Principles of Designing Your Mill Production System, Part II: Mill Design
• Gold Prospecting for Better or Worse: A Claim to Die For
• Tips and Tricks: How to Make Your Own Gold Bars Without Burning the Place Down
• Minnesota Lawmakers Move to Stop New Mines
• Drywashing for Desert Gold—Part I
• Seven Troy Ounces of Premonition?
• I Was Looking for Gold But I Found Jade
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
