January 2000 by Staff• U.S. Gold Corporation
• AZCO Mining Co.
• Canyon Resources Corporation
• Placer Dome, Inc.
• Vista Gold Corp.
• Grupo Mexico
Skarn consists of coarse-grained calcium, magnesium, iron, and aluminum silicates formed by hydrothermal solutions, which replace limestone or dolomite near the contact with an igneous intrusion. The contact metamorphism is usually caused by an intrusion such as quartz monzonite, granodiorite, or similar rock type, which may or may not be mineralized.
Last month we took a look at the origins of coarse gold nuggets and the results of some new science about how they form. This new information pointed out that many nuggets once thought to be of secondary origin are formed under hot conditions...
I saw gold this summer. The kind of gold that I haven’t seen since ‘81. The kind of gold that rattles in the pan. The kind of gold that would start a stampede—even in 1898.
The remote desert of southwestern Arizona was an attraction only because of the gold and other minerals that were found there. Certainly the weather was not a draw! The early mining days were tough—the mines were a long way from supplies, and hostile Indians made travel in the area extremely dangerous.
The Sunshine Mine in northern Idaho could start running again in 2008.
• Credit card abuse is sky high...
• Expensive new bill
• Senators reward themselves with another raise
It also happens sometimes that glaciers will bury valuable placer deposits. This occurs when the glacier goes over the top of an existing placer deposit.
The Bawl Mill • Over the Divide • Our Readers Say • Letter from the Editor to our Readers and Advertisers • Administration Considers Bypassing Congress • First Woman to Draw Mining Pension • Small Mine Selective Blasting • Mohave Mountain Placers, Arizona • High Court to Reconsider Wilderness Water Rights • Sixteen to One Takes on MSHA • Picks & Pans: Gold Mining on Joie Osgood Ranch • Gold • Millie's Tailings • Placer PGMs in Alaska • Mogollon—New Mexico's Remote Gold Camp • ICMJ 9th Annual Photo Contest Results • The Other Minerals of Mt. Diablo • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices • Looking Back