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Flat-Fault Gold
August 2001 by Edgar B. Heylmun, PhD
Gold and other valuable metals are often deposited in breccia and rubble formed by flat or gently-dipping faults. Such faults are commonly found in areas of crustal stretching caused by the movement of tectonic plates. Flat-faults are especially common in southeast California, southern Arizona, and northern Sonora, Mexico. However, they can be present anywhere that crustal stretching has occurred.North Idaho Mine to Open Again in 2008
The Sunshine Mine in northern Idaho could start running again in 2008.
Bawl Mill
• Lukewarm consensus among scientists regarding global warming
• Yet another example of why big government is NOT the answer...
• Everyone deserves a second chance...
A Father and Son Prospecting Adventure
As I write this, I am still on a rush from taking my 9-year-old son, Jeffrey, prospecting for the first time this past weekend. It’s not that he hasn’t been along on numerous outings before: this is the first time that just the two of us went out for a day of drywashing and detecting under the desert sun.
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Bering Sea Gold—Part II
In last month’s issue we covered the initial discovery of gold, the subsequent gold rush that occurred around Nome, some of the geology of the area and past production. We’ll conclude the article in this issue with a further examination of the geology and deposit types, discuss the resources...
How to Beat the Heat--and The Bedrock
The pit was a classic one—exposed shale bedrock with all the material being washed out one end of the pit. Within a few minutes I had a nice mellow signal that was in open ground.
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The Bawl Mill
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• The Public Process—Getting Involved and Making a Difference
• Pacific Northwest Miners Request Help
• USFS Roadless Comments Reopened
• Basic Drywashing Principles
• Fields of Gold
• Picks & Pans: All That Glitters Pans Out Well!
• De Beers Undergoes Overhaul
• Gold in Michigan
• Update on the West Mojave Desert Planning Area
• 2001 Inductees to the National Mining Hall of Fame
• Company Notes
• The Spanish Silver of Mowry
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
