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Bella's Birthday Nugget
September 2008 by Jim Straight
...under Oakie Jim’s leadership, Lunker Hill was to become a textbook operation of using handheld very low frequency (VLF) and pulse induction (PI) metal detectors to recover placer gold...$100 Million Lost on Faulty ESA Listing
The Preble’s meadow jumping mouse, once seen as a costly impediment to development, is now viewed by the government as a critter that never really existed—and is no longer in need of federal protection under the Endangered Species Act.
Higher Zinc Price Creates Opportunity
Zinc is brittle and crystalline at ordinary temperatures, but when heated to between 110°C and 150°C it becomes ductile and malleable; it can then be rolled into sheets. The bluish-white metal is used principally for galvanizing iron, but also...
The Golden Highway—El Dorado County
Continuing northward and crossing the Consumnes River along California’s famed Highway 49, the “Golden Highway” leads through the heart of the Mother Lode countryto El Dorado County. This is where the Gold Rush began...
Ask The Experts: Sulfides and fluxes
The concentrate is just the heaviest of the heavy minerals but some sulfides are sneaking in there also with the gold...
Cobalt and Nickel in Missouri
Cobalt and nickel are tough silver-white metals, with similar physical properties, that frequently occur together in nature, along with copper sulfides. Cobalt and nickel are used as alloys, providing great strength and resistance...
The Bawl Mill
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