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Prospecting for Silver With a Geiger Counter
January 2001 by Edgar B. Heylmun, PhD
Light-colored volcanic tuff or tuffaceous sandstone often contains small amounts of uranium, enough to be detected with a sensitive radiation detector. Sometimes, the mass effect of the radiation is substantial.Dredging Alternative: High Banking
The hope was that a bit of the gold from that famous old pocket mine had worked its way down the slope of the hill and into the gravels Pat and his crew were planning to mine.
The Rich Hill Outing
Out in the western gold country, the traffic of electronic prospectors on the hills appears to be increasing at a rapid rate. While a lot of factors are contributing to this, probably the biggest force attracting these new folks is the continuing...
A Test Grid Dredged for Gold Values
The evaluation must also consider the gold fineness or purity. The purity of the Sugardaddy nuggets is estimated at 850 fineness, meaning 85% is gold (Au), 12% is silver (Ag) with 3% being other gangue alloyed metal.
The Jenkins Mine Project Pt III -- Site Selection
This sampling program was painfully tedious, and I’ve still got the calluses and embedded shovel splinters to prove it. But completing that testing program validated certain areas of the creek and eliminated others.
Melman on Gold & Silver
If the events of the past month have proven anything, they have confirmed the old adage that gold is truly a measuring device for the “International Temperature.” During the first half of the year and into mid-August, wars, threats of Iranian “peaceful” nuclear devices and North Korean nuclear jawboning drove gold to two-decade highs and kept it well above $600 per ounce.
Legislative and Regulatory Update
• California suction dredging
• House shows support for public land use
Mineralized Faults and Contacts in the Search for Gold
Fault zones and rock contacts are important because the vast majority of gold and silver deposits, as well as those of many other metals, are formed by hot, mineralized water solutions.
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