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How Much Gold Is In My Gold-Quartz Specimen?

The method is based on the fact that gold is much denser than quartz, and the more gold that is present in a specimen, the higher the density of the piece will be as a whole.

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PDAC 2009 Convention Highlights


...it was impossible not to notice the absence of many junior mining companies that were present last year. Due to the dual circumstances of the world’s credit problems along with the steep declines in base metals prices, many of them, unfortunately, have simply gone broke and closed their doors. Others are so strapped for cash...

Visionaries, Scoundrels, and Gamblers


Ask leading historians to name Colorado's top 10 builders and the list quickly grows to 50 people. The list includes visionaries, scoundrels and gamblers.

From the Editor


Thanks to the hard work of our writers and staff, along with the support of our advertisers, we are beginning our 75th year in print.

Underground in the Original 16-1 Mine


These days they employ the use of metal detectors and carefully scan the shattered rocks, hoping to hear that sound we detectorists love to hear.

WANTED: Mining Poets, Singers & Storytellers


The hard-learned lessons, humor, tragedies and issues of work in mining have long been the subject of poetry, stories, songs and visual art by mineworkers and their families.

Company Notes


• Capital Hill Gold
• Calais Resources
• Copper Ridge Explorations
• Randgold Resources
• Linux Gold Corp.
• Diamond Discoveries International

The Tombstone Silver-Lead District, Arizona


In 1877, a prospector named Ed Schieffelin discovered silver in “the middle of nowhere” and staked two claims: “Tumbstone” and “Graveyard.” Soon a town and mining district were organized and acquired the name “Tombstone” after making a spelling correction.

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Update on Oregon, Idaho and California Suction Dredge Permits   • ECU Silver Mining Continues The Legacy

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