Richard-N-FL
New member
Hello, Does anyone know hoe to find out the type of ground is in Florida? I am not sure.
Thanks
Richard
Thanks
Richard
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How do I know what type of ground I detect in?
- Thread starter Richard-N-FL
- Start date
Quartz sand, calcite and trucked in fill. The soil strata in FL is primarily quartz sand deposited from Appalachians run off over the eons it was a sea bed. Secondarily, there is calcium (calcite) from when it was covered coral and other shallow sea life beneath the same primordial seas. Trucked in fill is what it sounds like, and can be anything. The first two are not an issue, the latter may be.
I lived in FL for years and found the soils there to be universally benign to a detector.
I assume you are asking about conductivity of the ground minerals. The way to tell if the spot you are hunting on has a biased mineral mix is to switch to true non-motion all metal and test the ground. Only the GTI 2500 has a true non-motion all metal mode, so unless you have one of those, you are working with one of the lesser units. It doesn't matter, though, they have it, too. All you have to do is press the PP button to engage it!
Heres what you do.
- First detect in all metal or pinpoint to ensure there is nothing metallic in the ground where you are testing. Any metal in the test matrix will invalidate the test.
- Next, raise the coil a foot or so from the ground and press the PP button.
- Wait for the audio to stabilize to it's normally constant hum.
- Now, lower the coil to the ground, moderately slow.
If the response is an increase in the audio amplitude as you lower the coil, your soil is positively mineralized.
If the response is a decrease in the audio amplitude as you lower the coil, your soil is negatively mineralized.
You can raise and lower your coil, "pumping" it up and down and get another way to see this. If your ground is neutral, nothing will happen. If it is pos or neg, the audio will tell you.
Neutral to slightly positive is ideal. VERY positive or worse, negative, can be a problem if your detector has no way to compensate for the minerlaization. In almost any place in FL, I doubt there is a problem, but there might be. What detector are you using?
I lived in FL for years and found the soils there to be universally benign to a detector.
I assume you are asking about conductivity of the ground minerals. The way to tell if the spot you are hunting on has a biased mineral mix is to switch to true non-motion all metal and test the ground. Only the GTI 2500 has a true non-motion all metal mode, so unless you have one of those, you are working with one of the lesser units. It doesn't matter, though, they have it, too. All you have to do is press the PP button to engage it!
Heres what you do.
- First detect in all metal or pinpoint to ensure there is nothing metallic in the ground where you are testing. Any metal in the test matrix will invalidate the test.
- Next, raise the coil a foot or so from the ground and press the PP button.
- Wait for the audio to stabilize to it's normally constant hum.
- Now, lower the coil to the ground, moderately slow.
If the response is an increase in the audio amplitude as you lower the coil, your soil is positively mineralized.
If the response is a decrease in the audio amplitude as you lower the coil, your soil is negatively mineralized.
You can raise and lower your coil, "pumping" it up and down and get another way to see this. If your ground is neutral, nothing will happen. If it is pos or neg, the audio will tell you.
Neutral to slightly positive is ideal. VERY positive or worse, negative, can be a problem if your detector has no way to compensate for the minerlaization. In almost any place in FL, I doubt there is a problem, but there might be. What detector are you using?
Richard-N-FL
New member
LOL...I thought that I would get more then just one person responding. Well Thank you dahut!!
