Ask The Experts — How have fellow dredgers modified their dredges in order to retain fine gold?
March 2008 by David KnowlenQ: 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.”...
...this debacle may easily lead to disenchantment with government programs in general and politicians of all stripes in particular. Historically, that kind of unrest has been positive for precious metals markets.
Depending on the ore and if significant sulfides are present, a hard rock miner may be able to get away with simply using a flux to digest the other minerals that may be present.
Over the years that I have been detecting for gold I have had many of the same questions come up. I decided to write this article to hopefully answer some questions that a person wishing to detect for gold may have.
Arizona is well-known for its copper-gold porphyries and massive base metal-gold sulfide deposits such that primary gold deposits in the state are often overshadowed.
The Tombstone Mining District of Arizona was not a major producer of silver in comparison with some districts in other states, but it has had a long and colorful history.
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