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Flexible Circuits Possible From Gold Wire

Researchers at Johns Hopkins University said they have constructed electronic circuits that can stretch like rubber. Possible uses include  wearable electronics or artificial nerves.

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The Basics of Small-Scale Heap Leaching with Cyanide


In last month’s article I talked a bit about opportunities for heap leaching small hardrock deposits. This month I’m going to talk about the basics of putting together a heap leach project, including building the pad and leaching the ore.

Looking Back


Excerpts from California Mining Journal, our original title, published 50 years ago this month.

Mining Stock Quotes and Mineral & Metal Prices


The Fairbanks Goldfields


It was once said that the Fairbanks Mining District would probably not be much of a producer. The impact of this goldfield on the mining world of the north did not start with a bang. Rather, the participants of this gold rush more or less...

The Bawl Mill


• Let's see what goes on behind closed doors
• Nothing but the best, make that most expensive, for the US
• No exception for taxpayers
• Speaking of waste...
• Trimming the fat

• Uncle Sam needs you...to snitch!

The Mountain Gate Mine


The Foresthill Divide in Placer County, California, has underneath its present surface a multitude of buried river channels, most of which paid enormously well in the Gold Rush years of 1850 to 1890.

Barrick Offers $10 Million to Unlock Silver Ore


Barrick Gold Corporation is offering US$10 million to anyone who can unlock the silver from the ore at its Veladero gold mine in Argentina.

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