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Prospecting & Detecting

Using A Blasting Machine in Rock Breaking

Whatever system you plan to use will require a way to safely initiate the explosives from a distance. In this article, we’re going to learn the basics of electric blasting and get a hands-on example…

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Additional articles that might interest you...

Finding Gold with a VLF Detector—Part I


The very first thing to find out...is if the detector has the ability to be ground balanced.

Potholes and Other Bedrock Traps


Potholes in bedrock can trap placer minerals and even be glory holes. They are, at least, interesting geologic phenomena, and at best, a treasure trove of gold nuggets.

How to Beat the Heat--and The Bedrock


The pit was a classic one—exposed shale bedrock with all the material being washed out one end of the pit. Within a few minutes I had a nice mellow signal that was in open ground.

Rediscovering Placerville, California


Several areas came to mind, but each was eliminated for one reason or another. One that seemed to be hanging on was the old historic mining town called Placerville.

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.

Detecting for Gold in Nevada


Within a few minutes I got my first signal and dug out a small flake about three grains.

Detecting Old Ground Sluice Locations


Ground sluicing, surfacing and scratching are a few names given to the recovery of gold in shallow areas. Where I live, the hills are dotted with small surface diggings.

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The Bawl Mill   • Ask The Experts - What is “flotation” and what type of assay do I need?   • Ask The Experts - Easier way to break down compacted clays?   • Ask The Experts - Where can I get geological maps?   • Ask The Experts - Is there gold under the old cobble piles?   • Ask The Experts - Can you help me understand the gold deposition in this area of Wyoming?   • Building A Portable Gold Mill   • Cherry-Picking for Gold Nuggets   • Gold Prospecting for Better or Worse: Tangling With A Desert Monster   • Another Prospecting Adventure: Coulterville   • Seven Important Attitudes for the Successful Prospector   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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