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Healthy Interest at Recent Vancouver Conferences

Considering the frequency of mining gatherings in the USA, Canada and worldwide, many of our readers may wonder if there is sufficient new information available to make each gathering interesting and informative. In fact, they need not worry at all because rapid advances in mining technology...

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Fire Agate in Arizona


Agate, a banded form of chalcedony (cryptocrystalline quartz), has been used as a gemstone for over 7,000 years. Romans cut and polished agate, and this practice was taken to new heights in Germany in the 16th century.

Feds Eye Restrictions on AZ Archaeological Sites


The Interior Department is proposing a moratorium on new mining and grazing in a 176-square-mile area of central Arizona dotted with American Indian ruins, a possible first step toward a new national monument.

Picking Our Way Through Bedrock


Once again the coil was put over the spot but the target was in the pile now. I pinpointed, grabbed a handful of dirt and began sprinkling it over the coil until I heard that mild thud.

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Q: Would a mining company be interested in this area for just the magnetite?

Feds Move Oil Shale to Front Burner


A recent hearing on federal plans to unlock oil shale reserves in the Intermountain West was packed by small-time speculators, some of whom questioned whether today’s technology would let them squeeze oil out of rock profitably.

Small Mine Selective Blasting


Drill holes in a mineralized vein often penetrate hidden layers of poor ore which, after blasting, end up diluting the production quality. Disseminated gold ores carrying two ounces per ton may be identical in appearance to adjacent vein material...

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The Bawl Mill   • $100 Million Lost on Faulty ESA Listing   • Geologists Locate Giant Gemstones   • Miner Wins Important Victory Against Forest Service   • Philippines Asks Foreigners to Invest in Mining   • The Art of Finding Coarse Gold Part IV—Recovery of Coarse Gold From Alluvial Placers   • Idaho Silver Miners Come to Aid of Tsunami Victims   • Picks & Pans: In Search of a Vein: Looking for Hardrock in the Talkeetna Mountains   • Researchers Trace History of Hope Diamond   • The "Rip-Roaring" Flood That Washed Out Mazuma, Nevada   • Looking Back   • Resolution Copper Mine, Arizona   • Company Notes   • China Ups Investment in Foreign Minerals   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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