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Crushing Quartz in Calaveras County: A Placer Miner Learns New Tricks

I had never run an impact mill before, but anything involving rocks, water and a big electric motor sounded great.

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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…

Secrets of Successful Prospecting


Winter is the time for research, and if you haven’t already done some research to find new places to prospect, now is the time to cram in some last minute research before the good weather arrives.

Critical Minerals: Titanium


The metal is expensive, not because it is rare but because of the expense to produce and work it. The minerals mined for titanium are all oxides, unlike many base metals that are mostly mined as sulfide minerals.

Huge California Nugget A Hoax


Sanders claimed he used ground-penetrating radar to survey his private property in Nevada County, California, and uncovered the chunk of gold with a backhoe when he was following up on one of the anomalies found by the radar.

Determining the Amount of Gold in Rich Ores


This is just the type of specimen that could have been easily ignored by the old-time miners. It felt a little heavier in my hand than a chunk of quartz of that size ought to have been.

Take it to Bedrock


Picking the right spot to placer has to do with years of experience, and a little luck. The textbooks can tell you where it should be, but sometimes the rules just don’t seem to apply.

Ask The Experts


Can a metal detector be used to find limonitic gossan material?

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