Company Notes

August 1999 by Staff

Refractory Gold Processing

February 2013
After your excitement peaks when you first receive the high gold assay from the vein you just exposed, you ponder how you will extract and sell your gold. You will need to develop a flow sheet for your process to optimize your recovery and minimize your costs and permit requirements.

Successful Gold Prospecting

January 2011
There are loads of new gold prospectors attracted by the current high prices, and so I thought it might be a great time to take a look at what makes some prospectors so much more successful than others.

Ask The Experts

August 2016
Which comes first, claim filing or staking?

Gold Recovery with Centrifugal Bowls

July 2014
Centrifugal bowls are very efficient, and with proper operation they can consistently achieve gold recoveries above 95% with gold of about 50 mesh size.

Advancements in Non-Toxic Gold and Silver Leaching

January 2019

The non-toxic thiosulfate is actually the medical antidote given to people for cyanide poisoning. By accomplishing both neutralization and metals recovery, this process creates an economic and environmentally attractive process.

Montana’s Rosetta Stone: Discovering Mines In The Treasure State

May 2015
This is the intelligent way to start modern prospecting. The value of literary research yields challenging outings, specimens, history and geologic research.

Wilfley Tables—Repair, Rebuild & Set Up

September 2014
I researched the Internet and found a number of table makers, but technology has changed in the last 25 years. No one could sell me a kit for a new deck with wooden riffles...

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