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Prospecting & Detecting

Fluorescent Mineral Prospecting

Ultraviolet light is divided into three levels, labeled A, B and C depending on the wavelength, with C having the shortest wavelength and the most energy.

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Additional articles that might interest you...

All About Quartz—Part II


In our May 2013 issue, we took a look at the mineral quartz, a mineral very commonly associated with gold. However, gold is not the only reason prospectors are interested in quartz. Quartz can also be very valuable as a gemstone

California: The Land of Big Nuggets—Part I


The nugget sat there in plain sight, though it was covered in dirt, while hundreds of people had passed that way every day.

What's Left Behind


I love to see old-timer workings while I am out detecting for gold. For one thing, it assures me that gold came from there. Second, it tells me gold should almost certainly still be there.

The Dredge Report


As a plaintiff in one of the lawsuits, I’m not allowed to talk about specifics in the court-ordered negotiations currently underway in San Bernardino. However, I do want to let you know we are making progress…

Tyrie's Roadway Nugget


I will have to admit, I actually was brought to tears just thinking about what I had just done. I knew the gold was there, but I never thought I would be so fortunate to find such a prize nugget.

Metal Detecting Old Hard Rock Mine Dumps


The type of mine dump that is best for metal detecting are the ones that consist of mixed sizes of rock and are located near some sort of excavation, commonly a shaft or adit. Sometimes the piles located along a trench dug by the miners can be productive as well.

Bedrock Nugget Hunting: Tools of the Trade


As a guide to those who are thinking of taking up this activity or those who currently practice this trade, I have created a listing of the primary tools and equipment I use when nugget hunting.

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The Bawl Mill   • Ask The Experts - What is the difference between heavy and light rare earth elements?   • Ask The Experts - What are the tax implications for partners on a claim?   • Ask The Experts - What should my plan be for testing quartz for gold in North Carolina?   • Ask The Experts - Did gold deposits come from space or were they created underground?   • Ask The Experts - Is a shaker table going to work on my flour material?   • Subtle and Not So Subtle Dangers of Hard Rock Mining   • How Should I Work This Prospect?   • Tips and Tricks: Preparing Your Dredge Engine for Storage   • More Tips on How to Find Gold with A Detector   • What Do You Need For A Successful Micro-Scale Mine?   • Using Favorable Rock Types to Find More Gold   • Gold Prospecting for Better or Worse: Of Mice and Men   • Discovering New Territory   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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Happy Birthday, ICMJ!   • Legislative and Regulatory Update   • PLP Update

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