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Prospecting & Detecting

Dredging Do's and Don'ts

I’d start the day by crawling out of my dome tent, cooking up some Spam and eggs, and heating water for instant coffee on the Coleman stove.

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Ask The Experts


Can a metal detector be used to find limonitic gossan material?

Moving The Big Rocks


The anticipation of finding out if the system of snatch blocks, shackles, chokers, anchor points, and the strap binding the massive slab of rock in the bottom of the river would even budge an inch was weighing on me. 

Exceptions to the Rules: Re-Thinking Prospecting Rules of Thumb


Looking at the exceptions to the basic rules is sort of an advanced prospecting discussion, but the readers of ICMJs Prospecting and Mining Journal are plenty able to handle it.

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.

Proper Spacing of Placer Sample Sites


The zone of influence of each sample must be carefully considered when deciding how far sample sites should be spaced from each other.

Which Coil Should I Use?


Selecting the wrong coil can potentially cause you to miss nuggets, so you want to be sure to select the best option for the situation at hand.

A Lesson In Underwater Sniping


Of course, I know a bit about crevicing, but Steve seems to really have a knack for it, and I’m all about continual learning. I can always learn a few tricks from the pros.

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