All Articles
California and US Gold Panning Championships
October 2010 by Staff
The objective was to pan down all the material from the three-gallon bucket, extract the gold into a small vial, and then signal completion. Every lost flake added a five-minute penalty.Additional articles that might interest you...
Ask the Experts
January 2015
• Should I introduce mercury in the centrifugal bowl to aid gold recovery?
• Should I introduce mercury in the centrifugal bowl to aid gold recovery?
Basic Geology for the Independent Miner—Part V Geology of Hardrock Gold Deposits
May 2006
In this installment we will finish up our discussion of how primary hardrock gold deposits form. Understanding how rock alteration works can lead to some good ideas for exploring around old mining districts.

Gold Deposits in Skarn
July 2003
Skarn consists of coarse-grained calcium, magnesium, iron, and aluminum silicates formed by hydrothermal solutions, which replace limestone or dolomite near the contact with an igneous intrusion. The contact metamorphism is usually caused by an intrusion such as quartz monzonite, granodiorite, or similar rock type, which may or may not be mineralized.
Skarn consists of coarse-grained calcium, magnesium, iron, and aluminum silicates formed by hydrothermal solutions, which replace limestone or dolomite near the contact with an igneous intrusion. The contact metamorphism is usually caused by an intrusion such as quartz monzonite, granodiorite, or similar rock type, which may or may not be mineralized.
How California Became the Golden State
August 2010
On the morning of the 19th of January, 1848, Marshall went out to examine the cut and inspect the progress that had been made overnight.
On the morning of the 19th of January, 1848, Marshall went out to examine the cut and inspect the progress that had been made overnight.
A Trip to Morgan-Monroe State Forest of Indiana
October 2014
Some experienced panners with the vigor and longevity to spend a full day panning in the small creeks and ravines can possibly find as much as a gram or more on a good day.

Melman on Gold & Silver
September 2010
From the mining community’s point of view, it is important to stop the parade of complex laws and regulations that continue to interfere with huge segments of the economy. This gives the upcoming election even greater importance directly relating to our precious and base metals mining industries.
From the mining community’s point of view, it is important to stop the parade of complex laws and regulations that continue to interfere with huge segments of the economy. This gives the upcoming election even greater importance directly relating to our precious and base metals mining industries.
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