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Spencer Opal Deposits, Idaho

In order to give the reader a better appreciation of some alternative valuable minerals that can be found by the average prospector, we visited Bob Thompson’s Opal Mountain Mine located in Spencer, Idaho.

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The Seven Troughs Mining District


The favorable geology of the northeastern and central parts of the Seven Troughs Range are the parts most interesting to prospectors. They are underlain by a thick sequence of Tertiary volcanic rocks, mostly rhyolites and andesites.

Nevada Gold Value Up Along With Production


Nevada gold mines produced only about 6 percent more gold in 2010 than they did the year before, but the value of that gold was up a whopping 33 percent.

News from the Historic Rand Mining district in Southern California


Mud Men: Pocket Miners of Southwest Oregon Part III


The amount of gold in the traces from the low-grade scattered veinlets may be much more than the traces from the small but rich pocket, at least until the pocket hunter closes in on the rich pocket. Further confusion arises if the prospector stumbles across a placer deposit on one of the higher peaks.

Placers Directly Associated with Lode Deposits


Placers that are directly associated with lode deposits are sometimes overlooked and may have good potential for those who are willing to search for them.

Mining Stock Quotes and Mineral & Metal Prices


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