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...
Wham Hill
February 2008
My year in Australia was almost up and playtime was over. Immigration had pulled the plug and it was time to head back to the States.
My year in Australia was almost up and playtime was over. Immigration had pulled the plug and it was time to head back to the States.
Prospecting With The Help of Fluvial Geomorphology
March 2011
Quiz yourself about the stream in figure 5. Based on your previous knowledge of where gold is found in a stream and in this article, where do you think you will find the most gold?
Quiz yourself about the stream in figure 5. Based on your previous knowledge of where gold is found in a stream and in this article, where do you think you will find the most gold?
Gold in the Slate Creek Basin
September 2011
In some areas these channels were thousands of feet wide, and just figuring out where you are in some of these diggings is a challenge.
In some areas these channels were thousands of feet wide, and just figuring out where you are in some of these diggings is a challenge.
Legislative and Regulatory Update
September 2005
• BLM proposes another fee increase
• Old Roadless Rule blocked
• County attempt to regulate leaching thwarted
• Canyon fights on
• New wilderness passes Senate; faces uphill battle in House
• BLM proposes another fee increase
• Old Roadless Rule blocked
• County attempt to regulate leaching thwarted
• Canyon fights on
• New wilderness passes Senate; faces uphill battle in House
Prospecting on Pickering Bar
March 2007
On Saturday, January 27, 2007, six of us began a trip to Pickering Bar on the North Fork of the American River. It was 7:30 am and we had our engines running to begin the first leg of our two and a half hour trip to get there.
On Saturday, January 27, 2007, six of us began a trip to Pickering Bar on the North Fork of the American River. It was 7:30 am and we had our engines running to begin the first leg of our two and a half hour trip to get there.
Guest Editorial—Changing the Rules
May 2000
Increasing restrictions on use of public lands are causing a widening tear through the country's economic and social fabric.
Increasing restrictions on use of public lands are causing a widening tear through the country's economic and social fabric.
Legislative and Regulatory Update
June 2017
- Welcome changes in Washington, DC
- Giving power back to the people
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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
