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.Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Whitehall Mine Foregoing Closure
Strong gold prices are making it profitable to keep the Golden Sunlight Mine here open through 2015, company officials said.
Glaciers and Placer Gold Deposits
Here we examine where and why placers are found in glaciated landscapes from the Ice Ages.
Melman on Gold & Silver
Any illusions that the world had become a safer place were certainly put into serious doubt by events over the past few weeks. During that time we have seen a major Israeli incursion into Gaza in retaliation for Hamas attacks on Israel, huge public demonstrations and accusations of fraud regarding the recent election in Mexico and, most recently, terrorist bombings in Mumbai (Bombay), India, which killed about two hundred people and seriously disrupted India’s financial center.
Search for the Legendary Sierra Azul
One of the most unique mining stories to derive from the days of the Spanish conquest of the Southwest is the legendary story of the Sierra Azul, or “Blue Mountain” of Arizona. The first reports of what some historians maintain is nothing more than mere myth, came in the middle of the seventeenth century, and it survived as a frontier tradition into the nineteenth century.
BLM Wants to Withdraw South Pass Public Land
The Bureau of Land Management is proposing to close off nearly 5,000 acres of public land on South Pass for the next two years while a plan is developed for designating portions of Sweetwater River as wild and scenic.
The Steeple Rock District, New Mexico
The Steeple Rock Mining District is located in the northwest-trending Summit Mountains of southwest New Mexico, at an average elevation of 5,200 feet. The highest point in the mountains is Vanderbilt Peak, which rises to an elevation of 6,773 feet. The mountains receive about 12 inches of precipitation a year in the form of rain and occasional winter snow.
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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
