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Ask The Experts — How have fellow dredgers modified their dredges in order to retain fine gold?
March 2008 by David Knowlen
Q: In the article by David Knowlen, “There’s Still Gold in the Umpqua River,” January 2008, the author stated that “most conventional dredges with normal angles of sluice setup do not retain this gold.”...Additional articles that might interest you...
Prairie Creek Project Approaches Final Hurdle
November 2007
Their Prairie Creek project, located in the Mackenzie Mountains of the Northwest Territories of Canada, has a history dating back nearly eighty years when silver and zinc were first discovered there, and includes the involvement of...
Their Prairie Creek project, located in the Mackenzie Mountains of the Northwest Territories of Canada, has a history dating back nearly eighty years when silver and zinc were first discovered there, and includes the involvement of...
Ask the Experts—What is barite used for?
June 2007
Q: Could you inform me as to what “barite” is used for? Where can I locate a company that mines barite?
Q: Could you inform me as to what “barite” is used for? Where can I locate a company that mines barite?
Samuel Franklin Hunt Nevada’s “Rio Tinto”
February 2006
At the well-known Rio Tinto copper district, Huelva, in southwestern Spain, large quantities of copper were found beneath a gossan of hematite at an average depth of 100 feet. The deposits were first mined during Roman times.
At the well-known Rio Tinto copper district, Huelva, in southwestern Spain, large quantities of copper were found beneath a gossan of hematite at an average depth of 100 feet. The deposits were first mined during Roman times.
Melman on Gold & Silver
May 1999
For gold advocates, the theme this past month could have been Life should be beautiful! After all, just consider some of the events of the past month.
For gold advocates, the theme this past month could have been Life should be beautiful! After all, just consider some of the events of the past month.
Gold in Oregon
May 2002
At least 6 million ounces of gold have been produced in Oregon since 1859. Since there are no accurate records of production prior to 1904, it is obvious that total gold production was considerably higher than that which has been recorded.
At least 6 million ounces of gold have been produced in Oregon since 1859. Since there are no accurate records of production prior to 1904, it is obvious that total gold production was considerably higher than that which has been recorded.
Wall-Rock Alteration
April 2004
Wall-rock (country rock) alteration is found in all hard-rock mining districts and has been caused by hydrothermal solutions in the past history of the region. The zones of alteration have a bearing on where one might drill for ore bodies. The weekend prospector does not have the tools nor knowledge to block out ore deposits, but he can narrow down his search dramatically by understanding the zones of wall-rock alteration that he sees.
Wall-rock (country rock) alteration is found in all hard-rock mining districts and has been caused by hydrothermal solutions in the past history of the region. The zones of alteration have a bearing on where one might drill for ore bodies. The weekend prospector does not have the tools nor knowledge to block out ore deposits, but he can narrow down his search dramatically by understanding the zones of wall-rock alteration that he sees.
Picks & Pans: Sniping for Low Stream Gold
September 2003
In southwestern Canada a couple of summers ago, the weather was extremely dry. So dry in fact, that some of the streams were at lows not seen in many decades. The wonderful advantage for sniping in the following fall was that...
In southwestern Canada a couple of summers ago, the weather was extremely dry. So dry in fact, that some of the streams were at lows not seen in many decades. The wonderful advantage for sniping in the following fall was that...
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The Bawl Mill
• Ask The Experts — Could you please include the stock symbol in "Mining Stock Quotes"?
• Gryphon Gold and the Borealis Project
• A Modern Day Prospector’s Story
• Conducting Research To Find New Gold Deposits
• New Tax Considerations For Your Mining Business
• Searching for Gold at Paradise Valley, Alaska
• The Carson City Mint
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
