northwest Approximation GPZ Depth Chart
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australian electronic gold prospecting forum.com  |  Common interest forum.  |  In the Consumers best Interests  |  Topic: Approximation GPZ Depth Chart 0 Members and 1 Guest are viewing this topic. « previous next »
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GARY
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« on: Friday July 8 2016 15:20:48 AEST PM »

This in-ground GPZ depth chart was released by ML but without the depth grid lines that someone added.

Therefore if I am allowed to post this link here then here it is   

Otherwise Doug please delete the link if not allowed.

Just interested what members here may think?





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« Reply #1 on: Friday July 8 2016 16:19:31 AEST PM »

Quote
author=GARY link=topic=8701.msg39878#msg39878 date=1467955248]
This in-ground GPZ depth chart was released by ML but without the depth grid lines that someone added.

Therefore if I am allowed to post this link here then here it is   

Otherwise Doug please delete the link if not allowed.

Just interested what members here may think?
 

I would personally not take the depth chart too seriously as the person that has added the depth grid lines mainly detects over benign ground in NZ.( I believe the depth grid lines are extrapolated from his results over NZ ground.)
In our typical GF ground I doubt that you would get anywhere near the depths quoted and over  some ground  here which may require the severe ground setting the depth loss i am told is very substantial!
doug smile

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GARY
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« Reply #2 on: Sunday July 10 2016 07:52:14 AEST AM »

Makes we wonder how they achieved the "Detection depth difference for the same gold nugget"  between both coils if each nugget had been buried in their test bed for the 14" coil test?

Did they raise the 19" coil in the air above the ground, surely not due to their negative comments about an air test?
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« Reply #3 on: Sunday July 10 2016 14:30:09 AEST PM »

  
Makes we wonder how they achieved the "Detection depth difference for the same gold nugget"  between both coils if each nugget had been buried in their test bed for the 14" coil test?

Did they raise the 19" coil in the air above the ground, surely not due to their negative comments about an air test?

Who  really  knows(other than ML) how they came up with the detection depth differences!
doug smile
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