All Articles
Using A Trommel For Placer Processing
April 2010 by Chris Ralph
The behavior of a trommel is dependent on how it is designed and set up. Important design characteristics include feed rates, screen perforation sizes, cylinder size, rotation speed and incline.
Additional articles that might interest you...
Coprolite—A Prospector's Tale
February 2014
Gold nuggets come in all forms, but I never expected that dinosaur nuggets would too, and at a decent price.
Gold nuggets come in all forms, but I never expected that dinosaur nuggets would too, and at a decent price.
U.S. Dept. of Interior Inspectors in Arizona
March 2000
Glynn Burkhardt, president of the Arizona Small Mine Operators Association, has a small mine outside of Tucson, Arizona. He recently received a visit from U.S. Department of Interior...
Glynn Burkhardt, president of the Arizona Small Mine Operators Association, has a small mine outside of Tucson, Arizona. He recently received a visit from U.S. Department of Interior...
The Elusive Mother Lode
May 2004
With history so often repeating itself, you can’t go wrong searching for gold using modern exploration techniques and exploration theories in regions of historic gold activity.
With history so often repeating itself, you can’t go wrong searching for gold using modern exploration techniques and exploration theories in regions of historic gold activity.
Ask The Experts - What is this sample worth?
April 2019
Guest Editorial—President's Land Plan Implements Unratified Treaty
April 2000
"The President's plan to lock-up an additional 40-million acres of wilderness in 35 states, is a blatant step toward the total implementation of the aims of the unratified Convention on Biological Diversity."
"The President's plan to lock-up an additional 40-million acres of wilderness in 35 states, is a blatant step toward the total implementation of the aims of the unratified Convention on Biological Diversity."
Dry Washing to Capture Fine Gold
November 2013
There may be lots of smaller gold I cannot hear with a detector, but it looks just fine in my pan once it is out of the crevice.
There may be lots of smaller gold I cannot hear with a detector, but it looks just fine in my pan once it is out of the crevice.
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