Prospecting & Detecting
Volume is the Key to Success
June 2017 by Alan J. Chenworth
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.
Ask The Experts
• Making a noisy dredge more quiet
The Highs and Lows of Drywashing
We were met with a plethora of mechanical problems with the dry washer and even a few with the excavator that were at times frustrating, but we were in this for the long haul, so we needed to solve these problems and move forward.
The Challenge of Winter Dredging
Dredges actually do pretty well in freezing conditions. There are a few tips you should know, however.
Heavy Glacial Rocks and Gold in the Midwest
Over the years, I've noticed a pattern in the type of rocks associated with the best gold deposits in Midwestern glacial gravel.
Green Valley Reconnaissance
During this trip we found enough gold to make us want to come back, even with the punishment of a very long, tough hike.
Trying Out the New Highbanker
The 2011 gold season had finally got underway on the Middle Fork of the Feather River near Quincy, California. Cold weather and high water had pushed gold mining into mid-summer, but things were looking up.
Nevada's Lithium Boom
When prospecting for lithium, after confirming for macro attributes through research and field work, including examination of surface geology, the main tool is an accurate lithium assay.
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The Bawl Mill
• Ask The Experts: What indicator rocks should I be looking for in northern Nevada?
• Ask The Experts: What to do with scheelite
• Ask The Experts: Small-scale drilling
• Quartzsite Gives Up Some Big Gold
• Prospecting After Winter Storms
• How to Stake Your Own Claim—Researching Mining Claims
• The Birthday Nugget Patch
• MMAC Update
• The Goldfield Mining District, Nevada—Part I
• Getting Started
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
