All Articles
Our Readers Say
May 2002 by Staff
“...where does the NFS get the authority and power to restrict access...”Additional articles that might interest you...
Drywashing Rules Clarified
May 2002
Carson Culp, Assistant Director of Minerals, Realty and Resource Protection for BLM, sent out an internal memorandum to all state BLM directors to clarify rules pertaining to gas-powered drywashers.
Carson Culp, Assistant Director of Minerals, Realty and Resource Protection for BLM, sent out an internal memorandum to all state BLM directors to clarify rules pertaining to gas-powered drywashers.
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.
Ask the Experts
September 2007
Q: I would like to know the following on the metal nickel:
• Where is it mined?
• Why is the unit price so large—is this for a metric ton?
Q: I would like to know the following on the metal nickel:
• Where is it mined?
• Why is the unit price so large—is this for a metric ton?
Gold in Chihuahua, Mexico
January 2001
Chihuahua, about the size of Oregon, is Mexico’s largest state and one of its most prosperous, with a great influx of foreign capital. The capital city, Chihuahua (pop. 2 million), is 228 miles, by divided highway, south of El Paso, Texas. Topographically, the state can be divided into several provinces, from dry sandy deserts on the north and east, to the forested Sierra Madre Occidental on the west and southwest.
Chihuahua, about the size of Oregon, is Mexico’s largest state and one of its most prosperous, with a great influx of foreign capital. The capital city, Chihuahua (pop. 2 million), is 228 miles, by divided highway, south of El Paso, Texas. Topographically, the state can be divided into several provinces, from dry sandy deserts on the north and east, to the forested Sierra Madre Occidental on the west and southwest.
Legislative and Regulatory Update
February 2010
• California dredging update
• On a related issue, SB 233
• EPA and greenhouse gases
• California dredging update
• On a related issue, SB 233
• EPA and greenhouse gases
Mining Stock Quotes and Mineral & Metal Prices
December 2014
Epithermal Ore Deposits Associated With Tertiary Volcanism—And the Feasibility of Metal Detecting for Them
December 2000
Epithermal ore deposits are common in regions of late volcanic activity, especially areas associated with Miocene and later Pliocene extrusive volcanics that have not been deeply eroded since the ore was deposited. Many are simple fissure veins, but stock-works and ore-pipes are also common.
Epithermal ore deposits are common in regions of late volcanic activity, especially areas associated with Miocene and later Pliocene extrusive volcanics that have not been deeply eroded since the ore was deposited. Many are simple fissure veins, but stock-works and ore-pipes are also common.
Subscription Required:
The Bawl Mill
• California Wilderness Coalition and The Nature Conservancy Recruit Government Employees to Carry Out Huge Land Grab
• Drywashing Rules Clarified
• Mineralized Calderas in Colorado
• The Keystone Gold-Copper District, Medicine Bow Mountains, Southeastern Wyoming
• Picks & Pans: Mining Tungsten Ore—A Case History
• Gold in Oregon
• Aussie Gold—A Look at the Northern Territory
• The Phoenix Gold Mine: A Brief History
• Calico Mine
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
• Melman on Gold & Silver
