Prospecting & Detecting
Big River Gold Exploration: Trend Zone 1
November 2022 by Matthew Hospodar
Mom Finds 3.72-Carat Yellow Diamond
“Much of the ground where Ms. Hollingshead found her diamond is made of unweathered volcanic rock. When it rains, flowing runoff often leaves loose gravel, and sometimes diamonds, on the surface in these areas.”
A New Prospecting Spot
![](http://www.icmj.com/userfiles/images/201610/toc-10-new-prospecting-spot.jpg)
Find of a Lifetime
![](http://www.icmj.com/userfiles/images/201305/TOC-find-of-a-lifetime.jpg)
Search Coils and Techniques
![](http://www.icmj.com/userfiles/images/201405/TOC-coils.jpg)
Detecting 'New Again' Spots
Over the years I have a long list on my computer and in my head of places to detect. Combining newer detectors with old and proven sites has become a blessing for my friends and me.
Tips and Tricks
I cleared the connector by poking a small Phillips screwdriver through it. To ensure the bore was clean, I dunked the connector into some water and then blew it clean with my shop air compressor.
Northwestern Alaska Mineral Resources
![](http://www.icmj.com/userfiles/images/201602/26-northwestern-alaska-mineral-res.jpg)
Subscription Required:
Time to go Prospecting
• Fire! In the Gold Country
• Off to the Sierra Again
• Strategies for Dig and Detect Operations
• An Interesting Time in the Historic Rand Mining District
• The China Hat
• Resource Maven Independent Analysis of the Resource Markets
Free:
Blast From the Past
• PLP Update
• ICMJ Visits The Northstar Mining Museum