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Q: Is there a correlation between fault zones and mineralization of economic metals?

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Critical Minerals: Tungsten


Because tungsten minerals are heavy, exploration can be done using stream sediment samples. Prospectors looking for gold have found scheelite or wolframite in their placer concentrates, and in some cases this has led them to make important tungsten finds.

Nevada's Silver City Gold District—Part I


The name Silver City is quite ironic as it doesn’t really fit the area’s metal production. The area encompassing the Silver City district is a great, stand-alone gold district, where the production value of gold has been much more than that of silver. Since the initial discovery of gold-bearing veins in the mid-1850s, the area has been a center of continuous small and large-scale gold production.

Diary of a Diamond Prospector


I couldn’t wait to get started. With no field budget, an assay budget of $100/year, a 1975-Ford Bronco that was a road hazard, a gas card, a topo map and full support of the director, I headed to the State Line district near Tie Siding along US Highway 287 to begin mapping kimberlite.

The Batteries Metal Rush


There is a major change coming in the economy of the world and now is the time for prospectors and miners to grab a ticket and get on board.

Surface Indications Of Quartz Adularia Epithermal Deposits


I am going to keep to the basics of surface indications and visual clues in the rocks and minerals themselves that help me find gold-bearing veins in this classification of deposits.

Rare Silver Nuggets And Their Origins


Silver nuggets have been described as “ultra-rare,” “prized” and “unique.” Naturally occurring silver nuggets are rare enough to suggest caution when purchasing. Fakes have reportedly been produced and misrepresented for sale as genuine specimens.

Confluence Placers


Confluences of placer streams are well known as concentration sites for heavy minerals. The basic reason is that...

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