Prospecting & Detecting
An Interview with Minelab Engineer Mark Lawrie
January 2018 by Chris Ralph
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.
Mass Wasting & Gold Deposits
Not all of these slides and debris flows will produce results, but if you search for these while prospecting in your gold producing areas, then you can increase your odds of finding new gold.
Some Tips and Tricks for Dredgers: Determining Pulley Size and Belt Length
If Epd is larger, then the compressor will be spinning faster than the manufacturer’s maximum specified RPM and might destroy itself. If this happens, then the compressor again might not produce enough air to support a diver. Neither is a desired outcome.
Detecting Strategies for Heavily Forested Areas—Part II
![](http://www.icmj.com/userfiles/images/201701/13-detecting-strategies.jpg)
Revisiting an Old Mine in Idaho Reaps Rewards
![](http://www.icmj.com/userfiles/images/201204/TOC-revisiting-an-old-mine.jpg)
Mining Journal Receives Honor
For the 20th consecutive year, ICMJ’s Prospecting and Mining Journal was voted “Prospecting Magazine of the Year”...
Gold Dredging on Oregon's South Umpqua
![](http://www.icmj.com/userfiles/images/201211/TOC-dredging.jpg)
Drywashing for Desert Gold—Part I
If you have a bad case of gold fever like me, then it’s nice to know that you can get some of that pretty yellow metal almost any time of the year, wet or dry.
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