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.
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Beach Mining for Gold
March 2010
Commonly these layers contain small particles of gold and platinum, and in places where they are sufficiently concentrated, the metallic particles are abundant enough to be extracted profitably.
Commonly these layers contain small particles of gold and platinum, and in places where they are sufficiently concentrated, the metallic particles are abundant enough to be extracted profitably.
Mining Stock Quotes and Mineral & Metal Prices
January 2006
Legislative and Regulatory Update
August 2001
• The next step towards implementing the Wildlands Project
• Former timber lobbyist named to oversee Forest Service
• The next step towards implementing the Wildlands Project
• Former timber lobbyist named to oversee Forest Service
Looking Back
April 2003
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
China Will Put Rio Tinto Employees on Trial
March 2010
The Australian government confirmed it was notified that a Shanghai court will try the four Rio employees including an Australian national.
The Australian government confirmed it was notified that a Shanghai court will try the four Rio employees including an Australian national.
Detecting in the Outback
February 2013
I have always enjoyed finding things. As a kid and up through college I searched for arrowheads, rocks and fossils. One day I saw an ad for a metal detector in a magazine, and a week later I was digging up everyone’s yard...
I have always enjoyed finding things. As a kid and up through college I searched for arrowheads, rocks and fossils. One day I saw an ad for a metal detector in a magazine, and a week later I was digging up everyone’s yard...
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The Bawl Mill
• Legislative and Regulatory Update
• Prospecting for Hardrock Gold - Part II
• Gold in Alaska - Part II
• Gold Prospecting in Maine - Part I
• Gold Prospecting Is For Ladies, Too
• Sage-Grouse Won't Get ESA Listing For Now
• How to Find Gold in Hot Ground With A VLF Detector
• Oregon County Tries to Interfere With Lawful Mining Operation
• Melman on Gold & Silver
• Mining Stock Quotes & Mineral and Metal Prices
