All Articles
Flood Stage—The Key to Reading a River
September 2009 by R. V. Larson
We knew what to do—we moved our project far enough from the river to escape the two hundred foot shoreline rule. If the old man had been right we could do this and still be over the loop of pay dirt.
Melman on Gold & Silver
What gives this illustration great importance is America may be facing the same kind of dilemmas that have brought Japan’s market such long-term grief.
Hard Rock 101: Mechanical Techniques
Since we know that the secret to breaking rock is applying force from the inside out (putting tension on the rock), we will be looking at ways we can generate force using human and machine power.
Looking Back
Excerpts from CMJ published 50 years ago this month.
Volume is the Key to Success
While recovery rates are important, they must necessarily be secondary to the volume of material processed. Running more material at lower recovery rates is generally preferable to increasing the efficiency of the system.
Lessons Learned From Geologists
Not long after this, I was camped out with the geologist beside the Similkameen River where he showed me the evidence that an ancient channel existed on our claim.
Alluvial Paystreaks
The gravels in contact with the bedrock or false bedrock base are often the richest. The same facts apply to the alluvial paystreaks that are formed on gravel bars; the lowest level of the gold-bearing gravel is normally the richest.
Tips for Detecting Old Hydraulic Pits
There are several counties around Shasta County that offer very good gold detecting. Many of these locations are old hydraulic pits. While detecting these old pits over the years I have come up with some ideas on how to go about hunting them.
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The Bawl Mill
• Legislative and Regulatory Update
• Drive Under Way to Restore the Rights of Suction Dredgers
• Abbey Confirmed As BLM Director
• Gifts of Gold for University of Zimbabwe
• Noted Geologist Murdered in Kenya
• South Yuba River Recreational Area
• Rio Employees Face Trade Secrets, Bribery Charges
• Pocket Mining Potential in Nevada's East Humboldt Range
• Company Finds Gold in Wyoming’s Rattlesnake Hills
• The Economic Impact of Suction Dredging in California
• Bucket Line Dredges
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
