All Articles
Clarence King, Geologist
May 2004 by Edgar B. Heylmun, PhD
Clarence King was born in Rhode Island in 1842, the son of a businessman. His father died when he was 6, so he was raised by his mother. She wanted to have Clarence attend the very best schools, and even moved in order to have him in the best district. She gave him a magnifying glass on his 7th birthday, and this led to his discovery of fossil ferns in neighborhood rocks.Additional articles that might interest you...
The Ferris-Haggarty Copper-Gold Mine, Grand Encampment District, Wyoming
January 2003
At the close of the 19th Century, optimism was high that Wyoming would become an important source for copper much like the neighbor states of Colorado, Utah, and Montana. This dream was short-lived...
At the close of the 19th Century, optimism was high that Wyoming would become an important source for copper much like the neighbor states of Colorado, Utah, and Montana. This dream was short-lived...
Legislative and Regulatory Update
November 2004
• Interior appropriations
• New bull trout plan released
• Comments needed
• Interior appropriations
• New bull trout plan released
• Comments needed
Mud Men: Pocket Miners of Southwest Oregon—Part I
February 2011
Rocks and minerals associated with clay seam gold deposits in southern Oregon are often in sedimentary rock units at least partially metamorphosed into argillite. They are also associated with mafic volcanic rocks, basalts and gabbro that...
Rocks and minerals associated with clay seam gold deposits in southern Oregon are often in sedimentary rock units at least partially metamorphosed into argillite. They are also associated with mafic volcanic rocks, basalts and gabbro that...
Gold Mine Becomes "Golden Partner" of California Sesquicentennial
March 1999
Original Sixteen to One Mine Inc., the second oldest United States publicly traded gold mining company, became a Golden Partner of the California Sesquicentennial last month.
Original Sixteen to One Mine Inc., the second oldest United States publicly traded gold mining company, became a Golden Partner of the California Sesquicentennial last month.
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.
Mariposa, California
April 2003
The sleepy town of Mariposa, known more today as one of the gateways to Yosemite National Park, was once considered the southern end of the famed “Mother Lode” gold deposits that stretched hundreds of miles throughout California’s Sierra...
The sleepy town of Mariposa, known more today as one of the gateways to Yosemite National Park, was once considered the southern end of the famed “Mother Lode” gold deposits that stretched hundreds of miles throughout California’s Sierra...
Discovery of the Mountain Pass REO Deposit
May 2001
How does one go about discovering a rare earth oxide (REO) deposit when he is not familiar with the rare and unusual rocks and minerals that are found in such deposits? That was the case at Mountain Pass, California, yet the deposit was eventually discovered and mined.
How does one go about discovering a rare earth oxide (REO) deposit when he is not familiar with the rare and unusual rocks and minerals that are found in such deposits? That was the case at Mountain Pass, California, yet the deposit was eventually discovered and mined.
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The Bawl Mill
• Economic Analysis on Critical Habitat for Bull Trout
• Prospecting for Copper
• US Mining Industry Outlook Brighter
• Gold in the Chinle Formation
• Gold Dredgers Rescue Threatened Fish
• Gold Mine Plans Upheld in Lawsuit
• DOI Computers Back Online
• Picks & Pans: Nuggets by the Dozen in Alaska
• Historical Mining Methods
• The Elusive Mother Lode
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
