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Glaciers and Placer Gold Deposits
June 2010 by Jim Halloran
Here we examine where and why placers are found in glaciated landscapes from the Ice Ages.Just One More Time
We chose this particular area because an old channel had run here at one point and had been heavily worked on top of a mountain hilltop. Erosion patterns cut deeply on each side, leaving the channel exposed. The erosion cut sharply, dropping into ravines far below.
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Legislative and Regulatory Update
• PLP continues the fight for miners' rights
• Oregon miners fight back
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Shaker Tables for Processing Hard Rock Ores
Most placer equipment is really made with gold in the 30 and larger mesh sizes in mind, though if carefully used can often get reasonable recovery down to the 50 mesh size.
Pacific Island Gov'ts Focus on Undersea Mining
Pacific Island nations have started devising regulatory laws to help create a new industry in this near-resourceless region: mining the sea floor.
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