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Looks deeper when soil is wet

coindude

New member
Noticed something yesterday. I was detecting in a local park, the soil was totally saturated because of lots of rain and snow this past month, the Etrac was finding stuff much deeper than in the past. Up to 10-12 inches. Had to go back to my car and get my digger. Made the park new again. Just an observation on my part.
 
I notice the samething when the soil is saturated in the spring /fall/ winter.All that water conducts the current we are putting into the ground better is all I can think.I like it!
 
Funny, I find more older coins if it is a little drier. I figure the iron (and other minerals) is less conductive the drier it is, so I get good signals I otherwise would not due to masking.
Doesn't matter either way, detectorists have been arguing dry vs. wet ground for years. The E-Trac finds stuff no matter the ground conditions, and often deeper than I want to dig!

There was an old heavily hunted park I searched this summer when it was dry. I brought up about a half dozen Indian heads and some Barber dimes in one area, all hit nice and solid. Now that it's wetter, I can't get a good signal to dig anywhere in that area. Sure, maybe I dug them all, but not very likely.
 
Here in Oklahoma that is very true, wetter the ground the deeper the coins show up. Pulled 14 silver coins out of a hunted to death park this last spring with the ground so wet when you dug a plug it would sometimes fill with water. JOHN
 
Weather will help you in two ways...

When it's wetter, the silver and copper respond better because thier very small halos are amplified.
Then when it's drier, the iron halos aren't as responsive so it's easier to find good targets next to them.
 
The same here. Dry conditions of highly mineralized ground, here where I am, seems to be always more productive.

My thoughts:

There is information at this site:

http://minelab.com/aus/consumer/knowledge-base/technical-notes

Ground Mineralisation

where in part, tells, us that:

"Old grounds that have been at the surface for a long time often have high levels of mineralisation. This is due to the action of water causing iron compounds to migrate to the surface. Highly mineralised soils can often be recognised by their red colour.

It might explain, why when such ground is dry, it may have less of an influence on a detectors ability, due to these minerals not being more conductively bound by the presence of water that would make it a more impenetrable mass.:shrug:

It's the only thing I can guess that is happening when I detect in such dry soil conditions. Can't explain it any other way.
I've been finding good targets in an area, I thought was compltety cleaned out by all my Explorers being the XS, Ex2 and SE and my DFX. There are still copper and silver coins here (maybe gold ones as well) and the Etrac is finding, that what I could not find in the winter, at this very same site.
Now when it is very dry, there are targets, some shallow, some deep, in what is, yes, very hard to dig soil, but any problems in retrieving a target can be overcome with a little consideration and using the right tools to dig them out.


david di:shrug:
 
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