Small Mining Operations
Who is a Qualified Person?
January 2012 by Thom Seal, PhD, PE
So you think you have an ore deposit? The work has been long and hard, but there are a few drill holes, lots of samples and assays. The data is in a reliable computer and there may be a mine at the end of the tunnel. What is the likelihood of a profitable operation? Can you raise capital for development or exploration?Additional articles that might interest you...
The Importance Of Mining Critical Minerals In The USA
March 2019
Critical minerals are products that the government has designated as critical to our national interest because of both their potential military and industrial applications.
Customizing Your Dredge
January 2013
I am going to suggest dozens of ways you can increase suction power, dredge to greater depths, and improve recovery methods in your sluice box.
I am going to suggest dozens of ways you can increase suction power, dredge to greater depths, and improve recovery methods in your sluice box.
Underground Mining: Getting the Ore Out
February 2017
Choosing the right method to move your ore and waste is all about making the right choices. Sometimes more than one method may be used during the life of a mine as an operation expands and grows.
Choosing the right method to move your ore and waste is all about making the right choices. Sometimes more than one method may be used during the life of a mine as an operation expands and grows.
Underground Mining: Stoping Methods
October 2016
In an old mine that does not have stopes, you know the old miners did not take much if any ore out of that excavation. On the other hand, if you see large stopes within the mine you know that it is these places where the miners found profitable ore deposits within the vein.
In an old mine that does not have stopes, you know the old miners did not take much if any ore out of that excavation. On the other hand, if you see large stopes within the mine you know that it is these places where the miners found profitable ore deposits within the vein.
Wyoming's Billion Dollar Nugget—The Trilogy Ends
June 2011
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.
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.
Small-Scale Processing of Hard Rock Ores
December 2014
Depending on the ore and if significant sulfides are present, a hard rock miner may be able to get away with simply using a flux to digest the other minerals that may be present.
Depending on the ore and if significant sulfides are present, a hard rock miner may be able to get away with simply using a flux to digest the other minerals that may be present.
Hidden Value in Old Tailings
March 2014
The 15 rare earth elements were discovered long after the gold rush began to wane, but demand for them only took off over the past 10 years...
The 15 rare earth elements were discovered long after the gold rush began to wane, but demand for them only took off over the past 10 years...
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The Bawl Mill
• Southwest Alaska Gold Project Progresses
• Good Assays and Bad
• Where to Find Gold in Indiana—Part II
• Time Well Spent
• Reality of the Klondike
• NWMA Show
• River Dredging vs. Creek Dredging—Part II
• Pot Hole Gold
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
