How To
Operation And Application Of Magnetometers
October 2014 by Chris Ralph
The technology used in these devices has advanced greatly in the last century. Many different types of physical effects are used to measure these magnetic fields and we will briefly look at some of these.
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Recovering Fine Gold with Oleophilic Adhesion
April 2014
Oleophilic means "affinity to or attracted to oils," and this includes gold an diamonds.
Oleophilic means "affinity to or attracted to oils," and this includes gold an diamonds.
Ask The Experts
February 2016
Designing my own dredge...
Designing my own dredge...
Proper Assaying of Placer Samples
November 2012
The whole purpose of sampling mineralized ground is to measure the values in a small volume of material that would be representative of a much larger volume of similar material. The key word is representative. Chemical and fire assaying will not accurately represent placer deposits by themselves.
The whole purpose of sampling mineralized ground is to measure the values in a small volume of material that would be representative of a much larger volume of similar material. The key word is representative. Chemical and fire assaying will not accurately represent placer deposits by themselves.
A Few Tips and Tricks for Beach Mining
June 2015
When you think about the extremes to which a miner will go to get a little gold, it occurred to me beach gold could be "easy pickings."
When you think about the extremes to which a miner will go to get a little gold, it occurred to me beach gold could be "easy pickings."
Turning Hobby Mining into Business Mining
March 2013
The first thing a person should do is seriously consider whether they want to go mining as a hobby or a business, and the tax implications of the choice.
The first thing a person should do is seriously consider whether they want to go mining as a hobby or a business, and the tax implications of the choice.
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.
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.
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The Bawl Mill
• Ask the Experts
• Ask the Experts
• Ask the Experts
• Ganes Creek After The Flood
• A Trip to Morgan-Monroe State Forest of Indiana
• The Pedro Gold Dredge
• Detecting Alone -- What to Look For
• Over the Divide: John A. Miscovich
• What Equipment Do I Need?
• Why Did This Silver Mine Close?
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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• Wake Up Voters! Oregon SB 838 Study Group Update
