Copper Deposits of Alaska
February 2014 by Steve HerschbachOnly the famous Kennecott copper mine was able to continue operating through the Depression owing to the exceptional richness of its ore.
Some of the wire forms are strange and fantastic, with wires sticking out in twisted, seemingly random directions. Others have deformed crystals and all of them have significant value to collectors.
• Do as I say, not as I do...
• By the numbers...
While the bullion value of the nugget is already substantial, the size and rarity of the Ausrox Nugget combine to make its worth invaluable in the collector market.
Confluences of placer streams are well known as concentration sites for heavy minerals. The basic reason is that...
In this second part on cobalt, I will take a look at the various types of cobalt deposits and how you can prospect for them. Who knows—perhaps the next big cobalt strike will be yours.
Even though these were some of the earliest placer deposits to be worked, there is still plenty of gold left today—it just takes more work to recover. Knowing about the old locations where gold has been found is the first step to success.
Historically, Montana has been an important gold producer, in terms of both lodes and placers, and it still produces gold for the prospector today.
The Bawl Mill • Legislative and Regulatory Update • Ask the Experts • Ask the Experts • Ask the Experts • Ask the Experts • Our Readers Say • The Perfect Summer • Eolian Gold Deposits • Divide and Conquer—Detecting Old Placer Grounds with Friends • Reserves and Resources Explained • Critical Metals: Lithium • Coprolite—A Prospector's Tale • Comstock Mining Gets Approval • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices