How To
Enrichment of Mineral Deposits by Weathering—Part I
March 2016 by Chris Ralph
The exact minerals formed in the concentrated supergene deposits depends much on the type of country rock around the deposit and the chemistry of the deposit itself, but if conditions are right, this process will form some rich patches of bonanza ore, in some places valued at thousands of dollars to the ton.
Additional articles that might interest you...
Ask The Experts: Equipment to break up heavy clay
January 2017
Q: I am looking for a “trommel machine” that doesn’t separate anything but clay slurry from rock hard clay.
Proper Placer Sample Processing
November 2013
...your sampling procedures should not be designed to catch gold your mining technique will never recover.
...your sampling procedures should not be designed to catch gold your mining technique will never recover.
Ask The Experts
December 2014
• Determining the amount of gold in a specimen
• Determining the amount of gold in a specimen
Buying a Mining Claim: Questions to Ask
March 2013
At one time or another, many miners will look seriously at purchasing a mining claim...Usually it’s a significant financial commitment, so how do you know if you are getting a good deal?
At one time or another, many miners will look seriously at purchasing a mining claim...Usually it’s a significant financial commitment, so how do you know if you are getting a good deal?
Placer Channel Sampling
July 2013
Sampling gold placers can be rewarding, but remember to treat the samples so you are not high grading or low grading your results. Learn the rules and apply them so your samples are accurate.
Sampling gold placers can be rewarding, but remember to treat the samples so you are not high grading or low grading your results. Learn the rules and apply them so your samples are accurate.
Mining Claims—What to Know Before You File
April 2011
During the initial assessment year (the year of location), the claim maintenance fee must be paid at the time the notice of location is filed with the Bureau of Land Management. Failure to pay the claim maintenance fee will void the claim.
During the initial assessment year (the year of location), the claim maintenance fee must be paid at the time the notice of location is filed with the Bureau of Land Management. Failure to pay the claim maintenance fee will void the claim.
Ask the Experts
December 2013
Ore testing and other advice for starting up a mining operation.
Ore testing and other advice for starting up a mining operation.
Subscription Required:
The Bawl Mill
• Legislative and Regulatory Update
• Ask The Experts
• Ask The Experts
• Ask The Experts
• How to Stake Your Own Mining Claims—Part I
• Addressing EPA Overreach: What Dredgers Need to Know
• Green Valley Gold District, Payson, Arizona
• Nevada's Silver City Gold District—Part I
• Alaska: Kodiak Islands Mineral Resources
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
Ask The Experts
• MMAC & PLP Update
