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Melman on Gold & Silver
January 2002 by Leonard Melman
What a difference a year makes. It makes one wonder if we still live on the same planet!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.
Prospecting Underground: Use Caution
In underground placer work, the contact point of the bedrock tunnel and the gravel is a very weak point and always has to be timbered. The bedrock here is thin, fractured, and the gravels loose from many years of oxidizing.
Ask The Experts
Q: Does gold get stuck in the crucible?
When Gold Moves, Placers Form
What it takes to move gold is turbulent, fast-moving water. Normally the water is heavy with clay and all sorts of sentiments that have been ripped up from the bed of the river or carried down from the tributaries above.
Ask The Experts - A few questions about 'peak gold'
The Geology of Diamond Deposits
New theories have been developed and they may lead to new discoveries and give prospectors some new insight on where to look for diamonds.
The Bawl Mill
• No experience needed
• A false sense of security
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