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...
Mines and Money
July 2004
The “Mines and Money” gathering, held in Vancouver, BC, on May 20-21, was geared toward the upper levels of world mining executives. As such, the presentations were of a different nature than any of the gatherings covered in our publication earlier this year.
The “Mines and Money” gathering, held in Vancouver, BC, on May 20-21, was geared toward the upper levels of world mining executives. As such, the presentations were of a different nature than any of the gatherings covered in our publication earlier this year.
Looking Back
November 2000
Excerpts from CMJ published 50 years ago this month.
Excerpts from CMJ published 50 years ago this month.
Platinum Group Metals
May 1999
Platinum is only one of a group of related metals that are referred to as platinum group metals (PGMs), because platinum in its native state usually contains all six metals of the group along with some iron.
Platinum is only one of a group of related metals that are referred to as platinum group metals (PGMs), because platinum in its native state usually contains all six metals of the group along with some iron.
Platinum—Group Metals
September 1999
by Henry E. Hilliard
Excerpted from USGS "1998 Annual Review"
by Henry E. Hilliard
Excerpted from USGS "1998 Annual Review"
Mining is Booming in Northern Ontario
June 2006
One of the results of the dynamic metals prices in recent years has been an enormous increase in mining activity throughout the industry and few places have been impacted as greatly as Northern Ontario, Canada.
One of the results of the dynamic metals prices in recent years has been an enormous increase in mining activity throughout the industry and few places have been impacted as greatly as Northern Ontario, Canada.
Legislative and Regulatory Update
August 2004
• States can manage their own roadless areas
• Forest lands and suction dredging
• States can manage their own roadless areas
• Forest lands and suction dredging
Subscription Required:
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
