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Prospecting & Detecting

Breaking Rock the Old School Way

Prospectors have many reasons why they might want to break rocks. These include dividing up a specimen too large to carry.

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Sampling Placer Stockpiles


Sampling other people's stockpiles or dumps has some inherent risks that sampling undisturbed ground does not have.

Volume is the Key to Success


While recovery rates are important, they must necessarily be secondary to the volume of material processed. Running more material at lower recovery rates is generally preferable to increasing the efficiency of the system.

Gold Deposits of Montana


Historically, Montana has been an important gold producer, in terms of both lodes and placers, and it still produces gold for the prospector today.

An Interview with Minelab Engineer Mark Lawrie


The design of metal detectors well-suited for prospecting is an interesting process and not necessarily an easy one to achieve. It is a combination that blends the desires of what prospectors would like, the requirements of sales people and dealers, with the science and physics of what the electronics can achieve.

Big Rock Gold


Fran, and I had made a practice of turning big boulders in gold producing areas to find some great rewards. Sometimes it was slow and frustrating, but in the end “We got the gold!”

Detecting Old Pocket Diggings


Looking around, I could tell that this was an old hand-digging. As I walked around the perimeter of the digging I could see shovel and pick marks scratched on the clean, hard clay and bedrock.

Dry Washing to Capture Fine Gold


There may be lots of smaller gold I cannot hear with a detector, but it looks just fine in my pan once it is out of the crevice.

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