How To
A Data Miner Builds A Power Sluice
October 2012 by Greg Mast
Data mining involves processing huge amounts of digital information to find hidden patterns and financial relationships. To executives, the findings are like gold, but on the weekends, I prefer seeing the real thing in the bottom of my pan.
Piggin' for Gold

Which Nugget Detector Should I Get?

A Data Miner Builds A Power Sluice
Data mining involves processing huge amounts of digital information to find hidden patterns and financial relationships. To executives, the findings are like gold, but on the weekends, I prefer seeing the real thing in the bottom of my pan.
Crushing Quartz in Calaveras County: A Placer Miner Learns New Tricks
I had never run an impact mill before, but anything involving rocks, water and a big electric motor sounded great.
Resurrecting An Old Hard Rock Mine--The Saga Continues
Another little gem of equipment he built was a nifty sample splitter. In order to get accurate assays, you need to have really good, representative samples for the assayer to process.
Ask the Experts
• How do I clean up gold encrusted with iron-sulfides?
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.
Subscription Required:
The Bawl Mill
• Our Readers Say
• Ask the Experts
• Ask the Experts
• Cold Alaskan Gold—Part II
• Dredging Backwards?
• Tips for Detecting Old Hydraulic Pits
• The Verde Copper-Gold-Silver-Zinc District, Jerome, Arizona
• Recluse Died with $7 Million in Gold
• California State and US National Panning Championships
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
Legislative and Regulatory Update
• DNI's Black Shale Metals Projects