The Seven Troughs Mining District
September 2016 by Chris RalphThe favorable geology of the northeastern and central parts of the Seven Troughs Range are the parts most interesting to prospectors. They are underlain by a thick sequence of Tertiary volcanic rocks, mostly rhyolites and andesites.
The non-toxic thiosulfate is actually the medical antidote given to people for cyanide poisoning. By accomplishing both neutralization and metals recovery, this process creates an economic and environmentally attractive process.
The biggest obstacle is that like many streams on the Kenai Peninsula, high water during the summer months from snow melt and rain can make dredging nearly impossible. The best dredging is in the colder months of the year.
Buying a placer claim or investing in a placer mining property comes with plenty of financial risks. You need as much information as possible about the mineral deposit in order to minimize those risks.
“The evidence is clear—mineral deposits alone are not enough to attract precious commodity investment dollars...”
Centrifugal bowls are very efficient, and with proper operation they can consistently achieve gold recoveries above 95% with gold of about 50 mesh size.
While river dredging in fast water, don’t be afraid of being swept out of your dredge hole by the current. If this happens—and it most certainly will in fast water—there is no need to panic. Don’t try to swim against the current because you will waste much energy in an effort to conquer the river. Just let it take you downstream.
Even with the decades of mining and exploration, much of the Comstock is still underdeveloped and its potential not fully tapped.
The Bawl Mill • Our Readers Say • Ask The Experts: Is there a safe DIY alternative to cyanide or mercury for extraction? • Ask The Experts: Should I take my claim access problems to the Desert Advisory Council? • Ask The Experts: How do I identify gold in hard rock that may be mixed with other metals? • Ask The Experts • Ask The Experts • Legislative and Regulatory Update • Pickers and Nuggets • Modern-Day Claim Jumping • Oregon's Waldo and Galice Mining Districts Unite • Attention to Detail - Part II • CA Supreme Court Rules Against Rinehart - But There Is A Solution • Summertime Gold Panning • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices
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