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.Tonopah Historic Mining Park
For just a few bucks admission you’re on your way. Shawn will give you a map of the 130-acre park, and you are free to explore on your own. There are just a few areas that are fenced-off for safety concerns, but most of it is wide open. It is a refreshing change to view a mining museum/park such as this.
Looking Back
Excerpts from CMJ published 50 years ago this month.
MMAC Update
In May 2017, the district participated in a meeting with representatives from several state and federal agencies where they educated agency officials about the authority of Mining Districts, Mining Law and miner’s rights.
Benches and Fossil Placers
Unfortunately for us mortal humans, we have a poor perspective on geologic time. When we look at a landscape such as a stream valley, we see it only in two, or at the most, three dimensions. We have poor comprehension of the valley’s fourth and most important dimension—time.
Melman on Gold & Silver
What a difference a year makes. It makes one wonder if we still live on the same planet!
Nova Scotia Shows It's Serious About Jobs & Mining
Saying that the Canadian Province of Nova Scotia supports mining and the jobs that mining creates would be an understatement.
Ask The Experts
• Reason for adits rather than shafts?
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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
