Prospecting & Detecting
Detecting Old Ground Sluice Locations
December 2012 by Ray Mills
Ground sluicing, surfacing and scratching are a few names given to the recovery of gold in shallow areas. Where I live, the hills are dotted with small surface diggings.
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.
Hard Rock Milling: A Matter of Scale
Most prospectors understand placer mining a lot better than hard rock mining and don’t realize the amount of work that goes into processing different types of hard rock ore.
Pot Hole Gold
It was early in the 2008 season on the Mokelumne River near Pine Grove, California. Considering the potential for high water through the month of June, my wife Fran and I set our sights on investigating some of the pot holes in...
Return to Chicken, Alaska
I figured it would be quite conservative of me to shoot for about four ounces of gold instead of the twelve ounces I had found in 2013.
Ganes Creek Hits 10 Years—Part I
Find huge gold nuggets with your metal detector! That has been the promise, and for a lucky group of detectorists in the Ganes Creek “Pound Club” the reality of finding gold at Ganes Creek, Alaska.
Detecting Nuggets—Overcoming New Challenges
Depth is not an issue unless the site is thoroughly cleaned of shallow trash, and it is far easier to isolate and remove targets using a small coil in a target rich location.
Detecting: Small Creek Yields Good Gold
Most of our gold recoveries have been in the cracks of the bedrock. Hot rocks in the form of dikes cross the creek at various locations, causing us to skip those areas.
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