All Articles
Niobium and Tantalum
January 2005 by Edgar B. Heylmun, PhD
Niobium (columbium) and tantalum are related metals that usually occur together and are associated with vanadium on the periodic chart of the elements. Both metals have seen increased usage in high-tech applications in recent years because of increased availability.Researching Mineralized Areas
There are a load of ways to do research, and I’m going to talk about how I do it—maybe you’ll get some ideas that will work for you, too.
Working Life of Troy Mine Could Be Extended
An exploration project at the Troy Mine Complex in northwest Montana could extend the projected six or seven year life of the mine by another 5 to 10 years, officials with Revett Minerals say.
Aerial Photos
Vertical aerial photographs, a form of remote sensing, are invaluable in the search for mineral deposits, and have been used for 60 years for that purpose.
The Baja Gold Rush of 1889
Small amounts of placer gold can be found in many parts of Baja California, Mexico. The 700 mile long peninsula is mostly a desert region with many strange and unusual plants. There is also a central mountainous spine that is forested and reaches elevations as high as 10,155 feet.
Pebble Deposit Reveals Mineral Potential
The vast potential of the Pebble deposit is becoming more clear each day.
Looking Back
Excerpts from CMJ published 50 years ago this month.
Good Research and Bad Luck
With every look at the box I was pulling out a few pickers and a nugget or two. The smile I had the previous night just got bigger and bigger throughout the day.
Subscription Required:
The Bawl Mill
• Convention Report
• Interview with Congressman Gibbons on Mining Law Reform
• The Art of Finding Coarse Gold Part II—Pocket Hunting for Residual Placers
• Gold Canyon Resources Targets Gallium
• Tucson Mountain Chaos
• Picks & Pans: Auburn Ravine Gold
• Suit Filed to Stop Mining in Northern California
• The Iola Mine Group, Montgomery County, North Carolina
• Effectively Using a Detector and Drywasher for Placer Gold
• Mining Companies Use Conservative Valuations
• Company Notes
• Accident at Robinson Mine Leaves Two Dead
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
