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Prospecting & Detecting

21st Century American Gold Rush: Rare Earth Elements

The burning question I needed answered was why didn’t the deposit ever get mined of at least one of the valuable minerals? A couple of reasons have come to light.

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Hard Rock Prospecting With Rusty


As we talked, Rusty stopped, backed up, bent down and began chipping at some rock in the road. He said he suspected there was a stringer right here that crossed the road.

Proper Assaying of Placer Samples


The whole purpose of sampling mineralized ground is to measure the values in a small volume of material that would be representative of a much larger volume of similar material. The key word is representative. Chemical and fire assaying will not accurately represent placer deposits by themselves.

Modesto, California Man Finds 18-Ounce Nugget


Oscar Espinoza considers himself an amateur gold prospector, but the gold nugget he recently found puts many seasoned prospectors to shame.

A Generous Lesson on Detecting Bedrock


The signal I was hearing was coming from a vertical bedrock crack on the bank of the creek. I removed my backpack, took out my crevicing tools and started to clean out the crack when I saw a glint of gold.

Some Tips and Tricks for Dredgers: Determining Pulley Size and Belt Length


If Epd is larger, then the compressor will be spinning faster than the manufacturer’s maximum specified RPM and might destroy itself. If this happens, then the compressor again might not produce enough air to support a diver. Neither is a desired outcome.

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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

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The Bawl Mill   • Ask The Experts - How do I separate gold from broken glass?   • Ask The Experts - Can I get some tips on filing a mining claim?   • Ask The Experts - Metal detector discrimination can be beneficial   • Ask The Experts - Can I crush ore on my BLM claim and still be a small miner?   • Gold In The Midwest—Part II: Illinois, Indiana, and Ohio   • Exceptions to the Rules: Re-Thinking Prospecting Rules of Thumb   • Prospecting The East Fork San Gabriel Canyon, Southern California   • Hit the Slopes to Find More Gold   • Sixteen to One Gold Mine: Unique Challenges and Potential Rewards - Pt I   • What About Palladium?   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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