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Offline amberyaTopic starter
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« on: May 20, 2013, 08:40:05 am »
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  [detecting] I want a deep search 3 D metal detector for highly minerlized soil about 20 feet deep. Please tell me one. [detecting]

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« Last Edit: May 20, 2013, 09:10:05 am by GoldDigger1950 » 		Logged
Offline GoldDigger1950
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« Reply #1 on: May 20, 2013, 09:11:14 am »
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To the best of my knowledge, there is no such device. There are things close like sonar and ground penetrating radar but neither give any real definition.

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It's all about that moment when metal that hasn't seen the light of day for generations frees itself from the soil and presents itself to me.
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« Reply #2 on: May 20, 2013, 02:10:32 pm »
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Your best bet for such ground penetration would be a PI machine but you would be looking at a coil of about 2m x 2m in diameter if not bigger your target would have to be very large like a very big pipe in fact if you are looking for treasure at 6m I very much doubt that it was buried by man could have been by a land slide. The most depth that I know of that has been archived was 4m with a 1m x 1m coil, the target was a car. As far as 3D machines are concerned I'm afraid that I can't help you, If you are looking for underground chambers then you should be looking into sonars but once again I have no knowledge about them just seen them on the net. 

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So many questions so little time
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