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...
Moving The Big Rocks
October 2016
The anticipation of finding out if the system of snatch blocks, shackles, chokers, anchor points, and the strap binding the massive slab of rock in the bottom of the river would even budge an inch was weighing on me.
The anticipation of finding out if the system of snatch blocks, shackles, chokers, anchor points, and the strap binding the massive slab of rock in the bottom of the river would even budge an inch was weighing on me.
Ask the Experts: Ionizing mercury
May 2012
Q: What exactly does "ionizing" mercury mean?
Q: What exactly does "ionizing" mercury mean?
Detecting Alluvial Bench Deposits -- Pt II
March 2017
Walking around the gulch and exploring the upper drainage, picking up different rocks and inspecting them with a good loop, and looking them up in a field guide of rocks and minerals of your region will help you understand how the gold got there.
Walking around the gulch and exploring the upper drainage, picking up different rocks and inspecting them with a good loop, and looking them up in a field guide of rocks and minerals of your region will help you understand how the gold got there.
GPS Speeds Filing of Claims in Alaska
July 2000
Alaska Governor Tony Knowles signed a bill making several beneficial changes to Alaska mining claim location law.
Alaska Governor Tony Knowles signed a bill making several beneficial changes to Alaska mining claim location law.
PLP Members Win Occupancy Case—Appeals Continue
July 2003
Public Lands for the People (PLP) members Ron Lex and his mining partner Ken Waggener of Etna, California, were cited for occupying their mining claim in Klamath National Forest for more than 14 days. The section cited was Code of Federal Regulations (CFR) 261.10(b). This CFR states that a special use authorization must be obtained for occupying a claim on National Forest land for more than 14 days. In some forests the time is 30 days.
Public Lands for the People (PLP) members Ron Lex and his mining partner Ken Waggener of Etna, California, were cited for occupying their mining claim in Klamath National Forest for more than 14 days. The section cited was Code of Federal Regulations (CFR) 261.10(b). This CFR states that a special use authorization must be obtained for occupying a claim on National Forest land for more than 14 days. In some forests the time is 30 days.
The Economy, The Environment and Equity
October 1999
Clinton's poverty tour brought angry responses from many Westerners. They know that while Clinton is not to blame for the poverty he saw ... he is the reason for the crises facing some western towns.
Clinton's poverty tour brought angry responses from many Westerners. They know that while Clinton is not to blame for the poverty he saw ... he is the reason for the crises facing some western towns.
Melman on Gold & Silver
April 2000
What a disappointment! Just when things were beginning to get really interesting and both parties had seemingly hotly contested races for the presidential nominations, both Senators involved promptly said, "I quit!," took their bat and ball and headed home!
What a disappointment! Just when things were beginning to get really interesting and both parties had seemingly hotly contested races for the presidential nominations, both Senators involved promptly said, "I quit!," took their bat and ball and headed home!
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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
