Small Mining Operations
The Basics of Exploration Leases and Contracts—Part II
March 2019 by Chris Ralph
This is the point where you might ask, “What do these types of contracts typically look like and how are they negotiated?” Well, that is the topic of this month’s article.
A Few Methods for Sampling Hardrock Deposits
With a little homework and a methodical approach to sampling, a prospector can determine if a deposit is worthy of more of an investment...
The Oregon Claim
When I started dredging a short distance downstream from that feature I realized that I was into a major paystreak and much of the gold was coming right out of the upper gravel. I could see the chunky pieces falling out of the gravel as they were pulled into...
The Importance Of Mining Critical Minerals In The USA
Critical minerals are products that the government has designated as critical to our national interest because of both their potential military and industrial applications.
Prospector's Guide to Rock Breaking and Blasting
The holes were overloaded with explosives, but I didn’t know it. I was just a green mining engineer fresh out of school and told to watch as the experienced miners set the charge.
A Test Grid Dredged for Gold Values
The evaluation must also consider the gold fineness or purity. The purity of the Sugardaddy nuggets is estimated at 850 fineness, meaning 85% is gold (Au), 12% is silver (Ag) with 3% being other gangue alloyed metal.
Care and Lubrication of a Model 13 Laboratory Wilfley Table
A Wilfley table works best when all of the mineral being run across it (the pulp) is about the same size. For this reason, I took a good look at each of the samples.
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 - Any references on gold formation?
• Ask The Experts - Finalizing an agreement with a mining company
• Pumping Water With Solar Power
• My Introduction To Gold Prospecting
• Resurrecting An Old Hard Rock Mine—Safety Is No Accident
• Mining Claims: Breaking All The Commandments
• The Importance Of Mining Critical Minerals In The USA
• Gold Prospecting for Better or Worse: Gold Is Where You Find It
• Detecting for Gold: A Return to Familiar Ground
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
