All Articles
Mining Tax Increase Suggested
November 2008 by Associated Press
Earlier this year when gold topped $1,000 an ounce, Gibbons, a former mining geologist and lawyer, vowed to veto any bill that called for increasing mining taxes in 2009.Additional articles that might interest you...
Company Notes
January 2007
Barrick Gold's Golden Sunlight mine; Everton Resources, Globestar Mining search for gold and copper in the Dominican Republic; NovaGold Resources' Galore Creek Project
Barrick Gold's Golden Sunlight mine; Everton Resources, Globestar Mining search for gold and copper in the Dominican Republic; NovaGold Resources' Galore Creek Project
The Portable XRF Gun
November 2012
While there is no metal detector that will see only gold, there is a device that can reliably distinguish gold from lead, copper, iron or other metals. It is an X-Ray fluorescence tester, sometimes called an XRF gun.
While there is no metal detector that will see only gold, there is a device that can reliably distinguish gold from lead, copper, iron or other metals. It is an X-Ray fluorescence tester, sometimes called an XRF gun.
Picks & Pans: George Duffy Jr.—Pocket Miner Extraordinaire
September 2004
During the Miocene and Pliocene mid-Tertiary Epochs, the Great Basin, Mojave, and Sonoran deserts within parts of California, Nevada, and Arizona became the source—the genesis—of ubiquitous epithermal “precious metal” fissure-gold veins associated with extensive acidic volcanic lava flows that blanketed much of the Cordillera during this time.
During the Miocene and Pliocene mid-Tertiary Epochs, the Great Basin, Mojave, and Sonoran deserts within parts of California, Nevada, and Arizona became the source—the genesis—of ubiquitous epithermal “precious metal” fissure-gold veins associated with extensive acidic volcanic lava flows that blanketed much of the Cordillera during this time.
Getting Your Float Circuit Layout Right
November 2004
Commissioning is going well; ramp-up targets are all being met and the General Manager is happy. You arrive at the plant in the morning and start reviewing the night shift logs. What you discover is the night shift had to reduce feed to the mills...
Commissioning is going well; ramp-up targets are all being met and the General Manager is happy. You arrive at the plant in the morning and start reviewing the night shift logs. What you discover is the night shift had to reduce feed to the mills...
Tucson Mountain Chaos
January 2005
The Tucson Mountains are immediately west of Tucson, in southern Arizona, and include residential areas of the city. The highest peak, Wasson (Amole) Peak, reaches 4,687 feet. It is part of the great Basin-Range physiographic province, characterized by fault-block mountain ranges separated by broad desert valleys.
The Tucson Mountains are immediately west of Tucson, in southern Arizona, and include residential areas of the city. The highest peak, Wasson (Amole) Peak, reaches 4,687 feet. It is part of the great Basin-Range physiographic province, characterized by fault-block mountain ranges separated by broad desert valleys.
Ask The Experts - A few questions about 'peak gold'
October 2018
Enrichment of Mineral Deposits by Weathering—Part I
March 2016
The exact minerals formed in the concentrated supergene deposits depends much on the type of country rock around the deposit and the chemistry of the deposit itself, but if conditions are right, this process will form some rich patches of bonanza ore, in some places valued at thousands of dollars to the ton.
The exact minerals formed in the concentrated supergene deposits depends much on the type of country rock around the deposit and the chemistry of the deposit itself, but if conditions are right, this process will form some rich patches of bonanza ore, in some places valued at thousands of dollars to the ton.
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• Lluvia de Oro— A Shower of Gold Awaiting Development in the Sierra Madre—Part I
• Beyond The End of The Road
• Barnes Store and Yankee Jims
• Opening Ceremony for Buckhorn Mine
• Mining Journal Contest—How Much Is That Old Mining Journal Worth?
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
