All Articles
Irish Gold
September 2005 by Leonard Melman
.jpg)
Additional articles that might interest you...
Placer Platinum
June 2004
The platinum group metals (PGMs) are divided into three that are “light,” about the same atomic weight as silver, and three that are “heavy,” about the same atomic weight as gold. The three light PGMs are ruthenium, rhodium, and palladium, and the three heavy PGMs are osmium, iridium, and platinum.
The platinum group metals (PGMs) are divided into three that are “light,” about the same atomic weight as silver, and three that are “heavy,” about the same atomic weight as gold. The three light PGMs are ruthenium, rhodium, and palladium, and the three heavy PGMs are osmium, iridium, and platinum.
Looking Back
February 2001
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.
Getting Your Float Circuit Layout Right
November 2004
Commissioning is going well; ramp-up targets are all being met and the General Manager is happy. You arrive at the plant in the morning and start reviewing the night shift logs. What you discover is the night shift had to reduce feed to the mills...

Subscription Required:
The Bawl Mill
• From the Editor
• Lode Gold in Honduras
• Explosives Camp Lets Students Explore Booming Career Path
• Tales of California Gold Discoveries 1st in a Series—Yankee Jim's
• Picks & Pans: Perseverance Pays Off
• The Best Copper Town Anywhere
• Drywashing and Detecting for Eluvial Placer Gold Research is the Key to Success—Part I
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices