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Prospecting & Detecting

Prospector's Guide to Rock Breaking and Blasting

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.

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Additional articles that might interest you...

Tips on Crevicing for Gold


When everything is still dry, one of my favorite methods of prospecting is using a straw to blow out small cracks and crevices that dot the exposed bedrock along a stream.

How To File A Mining Claim


Filing claims is actually quite easy, though there are a number of pitfalls that you should watch out for. Over the years, I have made just about every mistake you can with a mining claim, and have learned a few things to watch out for along the way.

Drywashing for Desert Gold—Part III


If the material drops down out of the hopper too fast, it can overwhelm the riffles and you can blow the gold right out. If it runs too slowly, the riffles can clog up and the process is too slow.

Looking for that Hidden Placer


I detect in a wide array of situations. I like to search for places that no one has been to. I really like to find areas that have never been worked at all.

Southern Oregon's Illinois River—A Lesson in Sharing


Our theory was that a dredge would collect far more material in a shorter period of time, leaving us with ounces of gold every day.

Determining The Optimal Crushing Size for Gravity Recovery


It’s not easy to figure out what is best without testing, and so a certain level of confusion has developed about how small the ore ought to be crushed.

Placer Channel Sampling


Sampling gold placers can be rewarding, but remember to treat the samples so you are not high grading or low grading your results. Learn the rules and apply them so your samples are accurate.

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