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The Basics of Small-Scale Heap Leaching with Cyanide Part I—History, Suitablility and Permitting

Hardrock mining is usually done on a large scale, and although a few small-scale hardrock operations still exist, it’s not an easy operation to start up and run profitably.

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Sampling Mineral Deposits


The accurate sampling of mineral deposits for testing and analysis is perhaps the most important step involved in both mineral exploration and development. It is a critical factor in initial prospecting efforts and the preliminary investigation of grassroots exploration projects, yet sampling is often performed in a haphazard and incomplete fashion during the early stages of prospecting and exploration activities.

Picks & Pans: Nuggets by the Dozen in Alaska


Jeff Reed may be Alaska’s top nugget hunter, or maybe he’s one of many. He doesn’t get skunked too often. In the past two years, he’s estimated he’s found about 3,000 gold nuggets primarily at the...

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Legislative and Regulatory Update


• Roadless Rule revisited
• Kensington finally gets stamp of approval
• Interior places restrictions on mining claims near Grand Canyon

The Art of Finding Coarse Gold Part I—The Geology of Coarse Gold Formation


Recovering large, coarse gold nuggets is a very exciting experience, and the quest for large gold is often the “holy grail” of the independent prospector, no matter which type of equipment is used. Hefty, good-sized gold nuggets are...

Mining Outfits Eye 50-Year Supply of Iron Ore


Two companies are looking to mine the largest known iron ore deposit in the West—a 50-year supply at a rate of 1 million metric tons a year.

Mining Stock Quotes and Mineral & Metal Prices


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