December 2001 by Edgar B. Heylmun, PhDA breccia pipe, or chimney, is an irregular cylindrical mass of breccia that is often silicified and stands out as an iron-stained knob. They can be from a few feet to several hundred feet in diameter, and may or may not be mineralized.
I had a chance to visit the operation in person and talk with Neal. I was very impressed and I think our readers could learn a lot about building up a commercial placer operation from scratch…
How do sluicing and drywashing compare in effciency?
Bolivia’s plan to nationalize its natural gas industry and exert greater state control over all of its natural resources has North American mining companies fretting over their future prospects extracting the nation’s rich resources of gold, silver and tin.
The horsetail is a type of plant that grows in sandy soil usually very close to a water supply. Its uses are many as it has a high silica content that allegedly can be of some medicinal value, but its primary function during the gold rush days was for...
If the government can totally ignore the reality of exceeding the national debt limit, we can only wonder what all the current fuss relating to extending that limit is all about.
Ray followed up by detecting the same area and I was happy to see that he did not find any good targets in the same line. So far so good.
Geologic references for northern Nevada
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