Small Mining Operations
Gold in Tertiary Gravels
November 2015 by Chris Ralph
In some places, semi-continuous sections of riverbed can easily be linked in many places to identify the path of the ancient rivers.
Proper Spacing of Placer Sample Sites
The zone of influence of each sample must be carefully considered when deciding how far sample sites should be spaced from each other.
Wyoming's Billion Dollar Nugget—The Trilogy Ends
The next hurdle to jump was whether the trommel motor would start again after sitting on the desert for six years without being started. The last time it had taken a three foot pipe wrench to bust it loose.
Dredging The Outside Bend
This stringer was where it was not supposed to be, and it contained nuggets that were not supposed to be there.
Resurrecting An Old Hard Rock Mine—A Series of Small Victories
…we cheered and high-fived each other as the ore cart slowly crested the top of the headframe, then picked up a bit of speed on the short downhill section and came to an abrupt halt, ejecting its contents of ore…
Ask The Experts
Any good books on mineralized faults and contacts?
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.
Tips for Cleaning Gold Nuggets
I pulled out the nuggets I had worked on previously and looked at the size of the wire basket that the items to be cleaned are placed into. It looks much like a miniature french fry deep fryer.
Subscription Required:
The Bawl Mill
• Ask The Experts
• Ask The Experts
• Our Readers Say
• Detecting Clay Seams
• Associated Gold Placers of the Comstock
• All About Minerals
• MMAC & PLP Update
• Feinstein Pushes for Million-Acre Land Grab
• Prospecting for Liberated Gold
• The Snapshot
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
