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Prospecting & Detecting

Route Planning Using GPS

My intention was to end this discussion with waypoints and routes, then I found USGS maps of the Plainfield Quadrangle.

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Following the Clues


It took me awhile before I finally got a nice mellow signal. My nugget turned out to weigh in about two dwt (pennyweight). Over the next few hours, we all picked up a few more nuggets apiece.

Proper Spacing of Placer Sample Sites


The zone of influence of each sample must be carefully considered when deciding how far sample sites should be spaced from each other.

Using Structural Clues to Locate Buried Placer Channels


They must have assumed the paystreak was spotty and had been mined out, so they never mined as close to the side of the valley as they should have.

Are There Any Good Prospects Left?


This type of thinking will get you discouraged pretty fast, and soon all of your mining equipment will be found gathering dust in your garage.

Detectors: Past, Present and Future


Detectors were invented long before I was born, but it was in the 1960s when they started to become an item popular enough to power a fledgling industry. The key development was miniature transistor technology replacing the old fashioned tube technology of the 1950s, making lightweight, affordable detectors possible.

Ask The Experts


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

All About Garnets


I get a lot of questions from prospectors about garnets, their value and what they tell us about the geology of some types of mineral deposits. So I thought it would be a good idea to take a closer look at the lowly garnet and learn a bit more about it.

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