Gem Discoveries Sought in North Carolina Field
February 2001 by Associated PressThe gem miner who uncovered North America’s largest emerald thinks he’s found a mother-lode of emerald-rich rock in Alexander County.
The Great Basin, first named by Capt. John Fremont in 1843, consists of a vast region of internal drainage, occupying most of Nevada and western Utah, and parts of California, Oregon, and Idaho.
…there is now concrete evidence that growing numbers of investors and other concerned observers are now turning to gold as a storehouse of value in these potentially troubling times.
Back at the entry point of the mine, we took turns slowly crawling down the slope leading into the mine portal with our metal detectors, hard hats and flashlights. The mine was hand dug and is about 75 yards long.
Selected excerpt from USDA Forest Service Technical Report:
Anatomy of a Mine from Prospect to Production
Work has begun on several buildings at the site of a proposed copper and silver mine that if approved would tunnel beneath Montana’s Cabinet Mountains Wilderness.
Skarn consists of coarse-grained calcium, magnesium, iron, and aluminum silicates formed by hydrothermal solutions, which replace limestone or dolomite near the contact with an igneous intrusion. The contact metamorphism is usually caused by an intrusion such as quartz monzonite, granodiorite, or similar rock type, which may or may not be mineralized.
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