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Gondwana Gold Gravels
June 2000 by Edgar B. Heylmun, PhD
The German scientist, Alfred Wegener, came out with his theory of "continental drift" in 1912. He was considered a crackpot and it was half a century before geologists and planetary scientists began to take a second look at his theory.
Detecting Old Ground Sluice Locations
Ground sluicing, surfacing and scratching are a few names given to the recovery of gold in shallow areas. Where I live, the hills are dotted with small surface diggings.
Melman on Gold & Silver
If the costs of financing the national debt increase in a manner described in this study, that should, in our opinion, be regarded as a long-term plus for the precious metals.
Flat-Fault Gold in Sonora, Mexico
Mexico is not noted for gold, but is better known for silver and copper. However, the states of Chihuahua and Sonora, in northwestern Mexico, contain some sizeable gold deposits. A number of these deposits were mined during the boom of 1982-2002. One operation that has remained active up to the present is La Herradura Mine...
Picks & Pans: Working the Ol' Paystreak
The bright yellow nugget caught my eye as I pulled the astroturf down the sluice box into the large plastic tub. I grabbed it from the mat, pretty much in shock because of its size.
Legislative and Regulatory Update
• Partial win for miners
• California suction dredging
• Feds continue to push for more public lands
• Idaho suction dredging
Ask the Experts
How do mines and refiners deal with doré bars?
Sluicing on Bedrock
My head nearly scraped the caribou horns that hung above the doorway of the old tarpaper cabin I would call home for a few days. The cabin was originally built in the early 1930s and had been dragged about 200 yards across the valley to...
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The Bawl Mill
• Our Readers Say
• Guest Editorial—Unreasonable Interpretations
• Ruling Awards Giant Nugget to Finder
• Letter to the Editor
• Traditional Adversaries Reach Agreement
• The Gold Belts of Georgia
• Company Notes
• Placer Testing with Large Samples
• Quick Thinking & Rescue Devices Save Two Lives
• Picks & Pans: The Discovery Gulch Diggings
• Prospector Finds Cache of Emeralds in North Carolina
• My Old Carbide Lamp
• Melman on Gold & Silver
• Hands & Pans on the South Yuba River
• Permafrost Tunnel Shows Cross-sections of Past
• Mining Stock Quotes and Mineral & Metal Prices
