Identifying Gold Ores
February 2001 by Charles L. ButlerThe following “clues” describing “hard rock gold ores,” while not 100% dependable, certainly will give gold prospectors an advantage:
• Karuk Tribe case over, for now
• Fundraising continues
Massive area-wide forest fires left the air near Fairbanks, Alaska looking like a London fog and smelling like the residue of a fireplace late this August as I left the airport on a recent visit to Freegold Ventures Ltd.
I’m sure we all have, at some point in time, gone out detecting and ended up not having the success we thought we would have. Here are some helpful game-changers that work for me and may work for you, as well.
Vertical aerial photographs, a form of remote sensing, are invaluable in the search for mineral deposits, and have been used for 60 years for that purpose.
I am going to suggest dozens of ways you can increase suction power, dredge to greater depths, and improve recovery methods in your sluice box.
Colorado-Utah-Wyoming oil shale was first reliably discovered to contain gold and silver by the U.S. Bureau of Mines in the 1920s. Although most of this vast shale resource, up to 1,000 feet in thickness, contained nil or barely detectable values, many brown shale samples fire assayed here over the past thirty years have yielded up to 0.02 ounces per ton (opt) Au and 2.0 opt Ag.
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