Gold in Tertiary Gravels
November 2015 by Chris RalphIn some places, semi-continuous sections of riverbed can easily be linked in many places to identify the path of the ancient rivers.
I love to dry wash old nugget patches found by detector operators, and I have found my fair share of gold dry washing those areas. I have also found a few nuggets using a detector on the bedrock exposed by dry washing the patches.
We descended hunched over, down a long, steep, wooden staircase to the 1,000-level.
Chances are better that both types of gold did not come from the same source. Let's look at the probable conditions to cause two types of gold in a placer.
Critical minerals are products that the government has designated as critical to our national interest because of both their potential military and industrial applications.
Most prospectors understand placer mining a lot better than hard rock mining and don’t realize the amount of work that goes into processing different types of hard rock ore.
The Wyoming Geological Survey released an online interactive map...
A study showed that between 1930 and 1980, only a quarter of one percent of the land in the United States was used in all mining applications combined, including surface mining, tailings disposal, underground mines, and all mineral processing facilities.
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