All Articles
Molybdenum
October 2004 by Edgar B. Heylmun, PhD
Molybdenum, referred to as “molly” by miners, is a white metal that is alloyed with iron to form hard, tough and strong steel. It was first used in World War I for armor plate on ships. Nowadays, molybdenum is routinely used to harden structural and tool steel, and to reduce corrosion.Additional articles that might interest you...
Silver at Calico, California
April 2001
Silver was discovered in the mountains as early as 1875, but the first “official” discovery was in 1881.
Silver was discovered in the mountains as early as 1875, but the first “official” discovery was in 1881.
A New Method for Handling Stubborn Gravity Middlings
July 2016
The solution focused on the relative difference in malleability between gold and waste, rather than the difference in density exploited by gravity circuits.
The solution focused on the relative difference in malleability between gold and waste, rather than the difference in density exploited by gravity circuits.
Spanish Police Seize Ship in Treasure Fight
August 2007
Spanish Civil Guards heightened a battle over a $500 million treasure of gold and silver coins from a shipwreck when they seized a vessel belonging to a Tampa, Florida company.
Spanish Civil Guards heightened a battle over a $500 million treasure of gold and silver coins from a shipwreck when they seized a vessel belonging to a Tampa, Florida company.
Guest Editorial—Globalizing Mining in America, Part II
September 2000
Defeating the Biodiversity Treaty
Defeating the Biodiversity Treaty
The Cemetery Rush
January 2003
In 1893, Jerry McAuliffe led a team of prospectors east of Kalgoorlie in Western Australia and found the famed Kanowna goldfield. On their first day on the field, they picked up a total of more than 300 ounces of gold nuggets from the ground. As the rush began to increase in momentum, other prospectors found patches of nuggets simply lying on the ground near rich outcroppings of reef. In very quick time, hard rock miners were tearing into the rich reef lines...
In 1893, Jerry McAuliffe led a team of prospectors east of Kalgoorlie in Western Australia and found the famed Kanowna goldfield. On their first day on the field, they picked up a total of more than 300 ounces of gold nuggets from the ground. As the rush began to increase in momentum, other prospectors found patches of nuggets simply lying on the ground near rich outcroppings of reef. In very quick time, hard rock miners were tearing into the rich reef lines...
Dredge Mining—Current Situation in Idaho
June 2011
Tomten concedes the scenario of federal environmental agents swooping in on river dredges near historic mining towns like Idaho City, Rocky Bar or Placerville remains unlikely.
Tomten concedes the scenario of federal environmental agents swooping in on river dredges near historic mining towns like Idaho City, Rocky Bar or Placerville remains unlikely.
Groups Plan to Sue Over Lynx Protection
August 2000
Three environmental groups have served formal notice that they intend to sue the U.S. Forest Service for failing to protect the Canada lynx as a threatened species under the Endangered Species Act.
Three environmental groups have served formal notice that they intend to sue the U.S. Forest Service for failing to protect the Canada lynx as a threatened species under the Endangered Species Act.
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The Bawl Mill
• Update: Forest Service Interim Rule
• VMS Deposits in Central Arizona
• The Guyana Highlands
• Prospecting with a VLF-Type Gold Detector
• Freegold Ventures' Golden Summit Project
• Picks & Pans: Working the Crevices
• 2004 California State Gold Panning Championships
• Company Notes
• Why Environmental Groups Prefer Kerry
• The French Mines of El Boleo
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
