Prospecting & Detecting
The Rich Mining History of Two Mother-Load Towns
July 2023 by Dan Stanton
The Forms of Crystalline Gold
The largest and most perfect single gold crystals are nearly always in the form of octahedra. These large octahedral crystals often possess deeply recessed faces.
Residual Placers: An Often Overlooked Gold Source
Because the forces of erosion and gravity tend to carry lighter materials like quartz away more easily, the heavy minerals like gold or silver will tend to be concentrated in the general area around the vein outcrop. These concentrations are what make residual placers so attractive.
Follow Up to "Just One More Time"
![](http://www.icmj.com/userfiles/images/201608/toc22-just-one-more-time.jpg)
Sampling Placer Stockpiles
![](http://www.icmj.com/userfiles/images/201308/TOC-sampling-placers.jpg)
Imagining the Ultimate Prospecting Adventure
I recently found myself wondering what would be the ultimate prospecting adventure. What would be the most amazing thing if I had no restrictions or limitations?
Dredging Tips and Tricks: A Measure of Water Pump Efficiency
…as an academic argument, when mated to the appropriate engine, is the pump really moving water at the rate of 400 GPM?
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