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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.Our Readers Say
• "I would like to be included..."
• "No claim in the world can be economically exploited without mechanical means."
Mining Claims: Breaking All The Commandments
So, I took the plunge. I decided on the maximum I would pay for the claim, then placed my bid. A day later I received a congratulations e-mail that I was the high bidder, and oh, by the way, send us your money.
Beach Mining for Gold
Commonly these layers contain small particles of gold and platinum, and in places where they are sufficiently concentrated, the metallic particles are abundant enough to be extracted profitably.
Treasure Hunters Abound in Greece
Greed nearly starved Greece's legendary gold-transforming King Midas to death—but still they haven't learned.
Moore Creek, Alaska—Then and Now
The gold was very chunky and much of it had quartz attached. Even back then I knew that the gold was very close to its source.
Cedros Island, Mexico
Cedros Island, 134 square miles in area, lies in the Pacific Ocean, 14 miles off the west coast of Baja California. It is 265 miles south of Ensenada and 340 miles south of San Diego. It is one of the few Mexican islands that is inhabited, with the fishing village of Puerto Cedros having a population of 400.
Legislative and Regulatory Update
• Cap and trade
• Roadless rule
• WDFW backs down thanks to miners
• California dredge permits
• BLM faces lawsuit over access in Washington State
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The Bawl Mill
• Our Readers Say
• 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
