Prospecting & Detecting
Prospecting for Diamonds in Kimberlite
January 2014 by W. Dan Hausel
Kimberlite is very difficult for geologists to find, let alone prospectors and rock hounds. This is because kimberlite is rarely exposed on the surface and few people know how to identify the rock.
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.
Where to Find Gold in Indiana
You might think that gold prospecting techniques are basically the same everywhere, and in many instances you’d be correct. Some geographical locations, however, due to their unique geological conditions, present unusual challenges...
The Winning Hand
The operation and techniques employed are highly successful in producing free gold with minimal work involved while maintaining an environment protection process through the use of recycled water and a settling pond.
Piggin' for Gold
Take a look at the picture—it’s pretty simple and you can build it yourself.
Soft Rock Excavation Techniques
Pocket Gold
Once a seam is found it can be traced for miles in either direction. While you are tracing a clay line, you are looking for indicators. The indicators that I look for are ironstone, hematite, different color clays intermingled with the clay line, and a very iron-rich, brown gritty soil.
The Summer of ‘81
When it was all setup and running, you had everything coming off the dredge riffles into the boil box. At the hole section, some of the water got sucked down and pulled a lot of black sand and over heavies…
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• Ask the Experts: Big rocks or small cobbles?
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• Ask the Experts: Equipment and gold locations in Colorado
• Ask the Experts: Silent partners and mining—is it worth the risk?
• Sierra County Gold—Part II
• The Silver Islet Mountains of Utah
• Gold Placers of the Kenai Peninsula, Alaska
• Alternative Gold Leaching Methods
• Over the Divide
• Additional Note Regarding "Strategic Metals—Part II"
• Take a Kid Detecting
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