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History & Geology

Alaska's Cripple Creek Mining District

If developed with metal detecting in mind, this virgin ground could be a bonanza for nugget hunting.

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The Beatty Mining District of Nevada


The Beatty Mining District in south-central Nevada has been one of the most productive Mining Districts in the state, producing millions of ounces of gold together with silver, fluorite, mercury and other valuable minerals.

Why Haven't They Mined This Claim?


Improvements in mining equipment and techniques, along with a higher gold price, make many mining properties profitable today that may not have been in the past.

Alluvial Paystreaks


The gravels in contact with the bedrock or false bedrock base are often the richest. The same facts apply to the alluvial paystreaks that are formed on gravel bars; the lowest level of the gold-bearing gravel is normally the richest.

Critical Metals: Copper


From time to time I’ve been doing a series on critical metals and how important they are to our complex and technological society. This month we are going to take a look at copper, and how important that metal is to our modern lives.

Strategic Metals—Part II


There are literally thousands of abandoned wasterock and ore dumps that dot the United States that could hold many tones of strategic metals.

Jadeite in California


...two jadeite locations in California have been thoroughly researched by geologists. There are no doubt others that lie in wait.

Heavy Sands Mining


Lately my mind has been involved with group 4 of the transition elements, namely titanium, zirconium, and hafnium. They all have similar chemical properties. Of greatest interest to economic geologists and miners is that these valuable elements often occur together in sands.

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The Bawl Mill   • Legislative And Regulatory Update   • Ask The Experts—Compensation for closed mining claim?   • Ask The Experts—Inconsistent fire assays   • Gold From Cemented Gravels   • Evolution Of A Gold Prospect   • Gold, Quartz & Chalcedony—Part II   • Alaska to Target Rare-Earths   • Minnesota Delays Decision on Mineral Leases   • The Gold Of Horseshoe Bend   • Tyrie's Roadway Nugget   • Melman on Gold & Silver

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Are Permits Needed For Highbanking In California?   • Prospecting Australia—Part II: There and Back Again

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