Small Mining Operations
Advancements in Non-Toxic Gold and Silver Leaching
January 2019 by Chris Ralph
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.
Uphill Battle Continues for California Dredgers
There are currently three controlling agencies or entities over suction dredging in California—and you can make that four if the state legislature decides to further muddy the waters with additional legislation to block suction gold dredging in the state.
Northwestern Alaska Mineral Resources
Gold and jade are actually only minor mineral resources for the Northwestern Alaska region as a whole. Modern prospecting has focused more on base metal than precious metal resources.
Selenium, Mercury and Suction Dredging—Studies Contradict CA State Water Resources Board
Federal and state regulatory agencies often cite mercury and methyl mercury in our waterways as a major factor for further restrictions on placer mining, and on suction gold dredge mining, in particular. However, these regulatory agencies are minimizing selenium and its neutralizing effects.
Long-Term Camping Plan at Fortymile Proposed by BLM
A draft environmental assessment of a proposal to allow long-term camping by gold miners along 21 miles of the North Fork of the Fortymile Wild and Scenic River is available from the Bureau of Land Management.
Ask the Experts
Centrifugal bowls versus jigs
What To Look For—And Look Out For—In A Placer Mineral Report
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.
Hard Rock University: Expensive Hobby or Real Business?
Improper sampling techniques lead to more avoidable heartache than almost anything else in micro mining.
Subscription Required:
The Bawl Mill
• Ask The Experts - Need advice on melting gold
• Ask The Experts - Can gold be found with sugary, crystalline quartz?
• Making A Big Discovery
• More On Gold Indicators—What to Look For
• The Underground Mining Adventure Continues
• Alaska Gold: Lisianski Inlet's First Bonanza
• Route Planning Using GPS
• The Mineral Range Districts of Utah
• Gold Prospecting for Better or Worse: Stupid Is As Stupid Does
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
