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Looking Back
May 1999 by Staff
Excerpts from California Mining Journal, our original title, published 50 years ago this month.Mining Stock Quotes and Mineral & Metal Prices
Federal Court to Address Dredge Permits—The Tulloch Rule
Congress passed Section 404 of the Clean Water Act (CWA), which was originally called the Federal Water Pollution Control Act, 33 USC 1344, in 1972. Section 404 authorized the US Army Corps of Engineers (the Corps) to issue permits “for the discharge of dredged or fill material into the navigable waters at specified disposal sites.”
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.
East Coast Prospecting Challenges
There is one gold prospecting requirement... that remains a steeper challenge to prospectors in certain portions of the United States.
The Oretron
Most ore bodies generate a voltage, giving the prospector another valuable method of tracing and locating these hidden minerals. With the Oretron, one can sense and measure these voltages along the ground surface...
Picks & Pans: Tips for Nuggestshooting—How to Increase Your Gold Finds (Part II)
Thus far we have only briefly discussed the methods used by early miners to process auriferous desert gravels. However, old workings can be extremely productive places to search with a metal detector.
Can You Recognize Valuable Ores?
The process of recognizing ores all starts with being able to recognize some basic minerals and knowing what hard rock ore looks like in the districts where you prospect.
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