Gold in Chihuahua, Mexico
January 2001 by Edgar B. Heylmun, PhDChihuahua, about the size of Oregon, is Mexico’s largest state and one of its most prosperous, with a great influx of foreign capital. The capital city, Chihuahua (pop. 2 million), is 228 miles, by divided highway, south of El Paso, Texas. Topographically, the state can be divided into several provinces, from dry sandy deserts on the north and east, to the forested Sierra Madre Occidental on the west and southwest.
The day has finally arrived. After five long years, much tribulation and many trial runs, today is to be a full day of production.
Labor Day! The last chance of the year to do some dredging in Wyoming. Wyoming’s dredging season runs from June through the Labor Day weekend.
In 1977, when the price of tungsten hit one of its highs, three of us formed U.S. Western Mines to look for scheelite, the mineral ore of tungsten. Union Carbide Corporation was purchasing raw tungsten ore at...
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There are currently three controlling agencies or entities over suction dredging in California—and you can make that four if the state legislature decides to further muddy the waters with additional legislation to block suction gold dredging in the state.
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The majority of the gold produced in Goldfield has come from ores that are close enough to the surface to be oxidized by the air. This oxidized ore is normally a soft, shattered, earthy material usually stained yellow to brown by oxides of iron.
The Bawl Mill • Over the Divide • Our Readers Say • Special Editorial: Gold Anti-Trust Action Committee Believes They Have the Evidence • World Gold Council News • Metal Detecting Within the Cordillera for Gold Placers Associated With Tertiary Epithermal Ore Deposits • Picks & Pans: An Exciting Hobby • Prospecting for Silver With a Geiger Counter • The Furnace Atmosphere During the Fire Assay • The Hanging Tree • ICMJ 10th Annual Photo Contest Results • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices • Looking Back