All Articles
Prospecting for Copper
May 2004 by John Rothermel
This article deals with copper exploration, but it is relevant to exploration for other minerals. I will use the geology of the Copper Creek area in Pinal County, Arizona, as an example.
Detecting for Gold in Nevada
Within a few minutes I got my first signal and dug out a small flake about three grains.
Ask The Experts
Sulfides and oxides—what's the difference between the two?
Nevada Gold Value Up Along With Production
Nevada gold mines produced only about 6 percent more gold in 2010 than they did the year before, but the value of that gold was up a whopping 33 percent.
The Keystone Gold-Copper District, Medicine Bow Mountains, Southeastern Wyoming
The Keystone district includes a group of mineralized shear zones and veins that are associated with the Keystone Quartz Diorite in the Medicine Bow Mountains of southwestern Wyoming. Gold production from this district is unknown, although some estimates suggest that 7,500 to more than 12,000 ounces were produced.
Legislative and Regulatory Update
• Babbitt Wants Another 4 Million Acres
• County Ruled Unfair in Mineral Valuations
• Public Comment Period for Clean Water Action Plan
Environmentalists Back FS on Mining Withdrawl
Representatives of every major environmental group in northern Arizona and nearly every American Indian tribe in the region lined up at a public hearing recently to praise officials from the Coconino National Forest.
Libby, Montana Prospectors Keep Tradition Alive
Located 23 miles south of Libby, the land surrounding the Libby Creek area has been of interest to prospectors since the early 1860s, when it was home to up to 600 miners working at a camp known as Libbysville.
Subscription Required:
The Bawl Mill
• Economic Analysis on Critical Habitat for Bull Trout
• 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
• Clarence King, Geologist
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
