All Articles
How Much Gold Is In My Gold-Quartz Specimen?
June 2010 by Chris Ralph
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
April 2009
...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...
...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
February 2000
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.
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
September 2005
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.
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
August 2013
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.
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
October 1999
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.
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
June 2004
• Capital Hill Gold
• Calais Resources
• Copper Ridge Explorations
• Randgold Resources
• Linux Gold Corp.
• Diamond Discoveries International
• Capital Hill Gold
• Calais Resources
• Copper Ridge Explorations
• Randgold Resources
• Linux Gold Corp.
• Diamond Discoveries International
The Tombstone Silver-Lead District, Arizona
April 2016
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.
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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• Sluicing at Rocky Bar, Idaho
• Nine Pound Nugget Found In Northern California!
• Glaciers and Placer Gold Deposits
• Ask The Experts: Can you help me identify these items?
• Getting The Most Value From Your Gold-Quartz Specimens
• Highbanking and the House Rock
• Fix or Replace, Depreciate or Write-Off
• Melman on Gold & Silver
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