Nome Offshore Dredging Creates Challenges
June 2015 by Jim HalloranThe Alaska state government has been trying to keep up with and maybe even stay on top of the situation by studying the problems associated with rapid growth and how to solve them.
Some claim they can smell gold. This may be, but when I take a whiff of gold, I smell dirt, rotten eggs, garlic or just nothing: my nose is everything but sensitive.
Most of our gold recoveries have been in the cracks of the bedrock. Hot rocks in the form of dikes cross the creek at various locations, causing us to skip those areas.
After finding little specks and occasionally little nuggets all season, I had finally reached something economical and interesting! This had never happened before along the Pellice Valley in Italy.
We are both very experienced working this type of ground, and we quickly found the pay layer where we would focus our efforts. The bedrock has good gold, but so does the red hard pan.
The placer gold shows up in ground sluice areas, hydraulic pits, secondary channels and hillside diggings. It is coming down the hillsides from an ancient channel left high and dry millions of years ago.
The story began in a southern Arizona mountain range...
Confluences of placer streams are well known as concentration sites for heavy minerals. The basic reason is that...
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