Niobium and Tantalum
January 2005 by Edgar B. Heylmun, PhDNiobium (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.
Sulfides and oxides—what's the difference between the two?
It is becoming increasingly clear that Barack Obama will be an activist President. Unlike his predecessors, he appears set on using the powers of government in an unusually aggressive manner in order to accomplish “public good.”
The US Forest Service is siding with a mining company’s bid to reopen roads and drill test holes in the Frank Church-River of No Return Wilderness.
There is a material processing principle widely used in large milling operations to improve recovery that is poorly understood by most of the micro-mining and prospecting community...
Nevada’s attorney general for the first time is joining a rural county in a 15-year-old legal battle...
How can it make sense to pass legislation to increase the spending power of the citizenry in order to stimulate economic activity and, at the same time, enact a series of new taxes that will diminish spending power?
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