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The Skaergaard Intrusion
December 2004 by Brian Mooney
First put on the map by two British geologists in the 1930s, the Skaergaard igneous intrusion on East Greenland’s rugged mountainous coast is arguably one of the most studied and researched rock bodies in the world.
Gold, Quartz & Chalcedony—Part II
The specific gravity of chalcedony is 2.58 to 2.64. This is slightly lower than coarsely crystalline quartz because of slight porosity in chalcedony. Being so light, it will easily wash out of a gold pan.
The Bawl Mill
- And then there was one...
- The humble heros of the CEA
The Eagle and High Peak Mines of Julian, California
At an altitude of over 4,000 feet, in the mountainous terrain of eastern San Diego County, lies the once productive Julian Mining District. Beginning with placer prospecting in 1869, this area moved rapidly into underground quartz or vein mining for gold.
Company Notes
• Coeur d'Alene Mines Corp.
• Northern Dynasty Minerals Ltd.
• Kimberly Gold Mines, Inc.
• SpectrumGold Inc.
Prospecting for Gold at Green Valley
In October, five of us decided to take an exploration trip into an area called Green Valley. This was perhaps ten miles upstream from where we had gone in September and the difficulty was access. One would think that based on the name it was an easily accessible area not far from a nearby town. This couldn’t be more wrong.
Roads Protecting Grizzlies Reopen
U.S. Forest Service officials are drawing criticism from environmentalists for reopening some back-country roads that had been closed to protect threatened grizzly bears.
Judge Holds Companies Liable for Some Damage
A federal judge found mining companies liable for at least some of the costs of cleaning up pollution of Idaho’s Silver Valley from a century of mining.
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The Bawl Mill
• Gold Diver's Closes Its Doors
• Geologist's Search for PGMs Leads to Mining Venture
• Diamonds in the Rough in Montana
• The Art of Finding Coarse Gold Part I—The Geology of Coarse Gold Formation
• Using Microbes for Mining
• The Carter and Reynolds Gold Mines: Is There a Yet Unknown, but Mineable Gold Deposit Here?
• Michigan House Committee Approves Sulfide Mining Regulations
• Surging Gold Prices Add Luster to Nevada's No. 2 Industry
• Ruby Hill Gold Mine to Reopen in Eureka
• Melman on Gold & Silver
• BLM Launches Mining Claim Records Viewer
• Newmont Welcomes Release of Executives
• The Baja Gold Rush of 1889
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
