Prospecting & Detecting
Sampling for Success—Part II
April 2020 by Chris Ralph
The first and most important thing of the sampling process is to try to be as unbiased as possible. There is a natural tendency to select rock that looks the best—even unconsciously.
A Golden Summer
![](http://www.icmj.com/userfiles/images/201411/51-a-golden-summer.jpg)
Ask The Experts
Can a metal detector be used to find limonitic gossan material?
How Long Does It Take to Find and Recover An Ounce of Gold?
Some ask if a prospector can collect an entire ounce in a day. It is possible; I’ve done it before.
I Was Looking for Gold But I Found Jade
Excited for this first notable evidence, I returned to that riverbed, looking for another paystreak and obviously more jade.
Quit While You’re Goin’ Good
Then I came to a section of recently exposed gravel that looked unworked. Water seeped out all around, making the ground beneath a sea of slick mud.
Reading A River: Understanding Erosion and Gold
Rivers are not just random and accidental; streams and other drainages are what they are because of the forces of erosion acting on the bedrock.
Old Dog(Fighter), New Trick
Then it occurred to me that the drywasher was designed by an engineer. Gotta love engineers! Those slide-rule geeks always tinker with gravity, angles, curves and flow.
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