Small Mining Operations
Underground Mining: Stoping Methods
October 2016 by Chris Ralph
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.
Additional articles that might interest you...
Modern Mining Reclamation
September 2015
A study showed that between 1930 and 1980, only a quarter of one percent of the land in the United States was used in all mining applications combined, including surface mining, tailings disposal, underground mines, and all mineral processing facilities.
A study showed that between 1930 and 1980, only a quarter of one percent of the land in the United States was used in all mining applications combined, including surface mining, tailings disposal, underground mines, and all mineral processing facilities.
Care and Lubrication of a Model 13 Laboratory Wilfley Table
June 2016
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.
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.
From Curiosity to Mine Owner
August 2015
His brother’s friend showed him a vial of gold that originated from his family’s mine in Honduras. Within two weeks Ernie had flown to Honduras to get a first-hand tour of the historic mine and the primitive operation underway to recover the gold.
His brother’s friend showed him a vial of gold that originated from his family’s mine in Honduras. Within two weeks Ernie had flown to Honduras to get a first-hand tour of the historic mine and the primitive operation underway to recover the gold.
One of the Richest Beaches Ever Mined
April 2015
Everyone has heard of the golden beach at Nome, but Nome did not have the richest beach.
Everyone has heard of the golden beach at Nome, but Nome did not have the richest beach.
Long-Term Camping Plan at Fortymile Proposed by BLM
August 1999
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.
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.
California Dredgers: A Step Closer to Getting Back in the Water
June 2014
...Judge Ochoa ordered the parties to participate in mandatory settlement hearings starting June 24, 2014.
...Judge Ochoa ordered the parties to participate in mandatory settlement hearings starting June 24, 2014.
The Significance of Nuggets in Placers
January 2016
Chances are better that both types of gold did not come from the same source. Let's look at the probable conditions to cause two types of gold in a placer.
Chances are better that both types of gold did not come from the same source. Let's look at the probable conditions to cause two types of gold in a placer.
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