All Articles
Gallium and Germanium in Utah
September 2003 by Edgar B. Heylmun, PhD
The high-tech industries are making use of a number of so-called “minor” metals, many of which are obtained as byproducts of copper, lead, or zinc mining. Some of the minor metals have properties that are ideal for certain applications and, in some cases, advancements in technology are being held back because of a shortage of the metals.Additional articles that might interest you...
Mining Stock Quotes and Mineral & Metal Prices
January 2008
The Guaniamo Diamond Area, Venezuela—Part II
August 2010
The apparent high grade of the ore deposits and the quality of the diamonds seem to clearly indicate that a profitable mining venture could be established on the kimberlite sills...
The apparent high grade of the ore deposits and the quality of the diamonds seem to clearly indicate that a profitable mining venture could be established on the kimberlite sills...
A Gold Detector Sitting in a Closet Only Finds Dust—More Detector Tips
June 2003
The diverse minerals, salts, and moisture, plus any halo effect, and old-timer trash, especially decomposing iron artifacts, are often found in any dry placer gold field and can really mask the “penetration powers” of a detector.
The diverse minerals, salts, and moisture, plus any halo effect, and old-timer trash, especially decomposing iron artifacts, are often found in any dry placer gold field and can really mask the “penetration powers” of a detector.
Oil Seeps in Northern California
July 2001
Indians used asphalt from oil seeps in California for caulking boats and other objects long before the white man arrived. Spaniards noted seeps as early as 1542, and the Portola expedition in 1769 used oil for wagon axles and as a fuel. Spaniards also used crude stills for obtaining lamp oil for use in the missions.
Indians used asphalt from oil seeps in California for caulking boats and other objects long before the white man arrived. Spaniards noted seeps as early as 1542, and the Portola expedition in 1769 used oil for wagon axles and as a fuel. Spaniards also used crude stills for obtaining lamp oil for use in the missions.
Collector Reaches New Lows to Find Bottles
February 2000
Not everyone would admit to digging through old outhouse pits, but George Piasecki says it's all part of the game for a bottle collector.
Not everyone would admit to digging through old outhouse pits, but George Piasecki says it's all part of the game for a bottle collector.
The Bawl Mill
February 2016
• "Fast and Furious" investigation slowly moving forward
• EPA needs to be held accountable
• "Fast and Furious" investigation slowly moving forward
• EPA needs to be held accountable
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The Bawl Mill
• Klondike Gold
• State Rivers Closed to Prospecting in Washington
• A Guide to Overlooked Gold Deposits—Part I
• The Montezuma Quadrangle, Summit County, Colorado
• Looking for Gold in British Columbia
• The Reynolds (Star) Gold Mine
• Picks & Pans: Sniping for Low Stream Gold
• Company Notes
• Why Do We Do The Things We Do?
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices