Metal Detecting Within the Cordillera for Gold Placers Associated With Tertiary Epithermal Ore Deposits
January 2001 by Jim StraightThis is a follow-up article to “Epithermal Ore Deposits...” published in the December 2000 issue. Related tables and maps were included with the previous article. If you did not receive the December issue you can still view the previously published maps on our web site by clicking on “January 2001 Featured Article.”—Editor
At the Gold Quarry open-pit mine, a massive electric shovel scoops 40 tons of earth in a single bite and dumps it into a 325,000-pound truck the size of a two-story house.
• A true alarm clock
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• By the numbers…
• "No surprises" ruled restored
• Supreme Court to address submerged lands in Alaska
• Governors say reform the ESA
• Miners need to stay involved in each state
There aren’t too many workable placer deposits of platinum in the world today. Most of the platinum found is in hardrock lodes, usually mixed in the gold, silver or copper outcrops.
Several areas came to mind, but each was eliminated for one reason or another. One that seemed to be hanging on was the old historic mining town called Placerville.
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.”...
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