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Too trashy to hunt?

silverman

Active member
I just came from a location down the road where a school dating back to the late 1800's stood. It's been torn down for some time, and I finally received permission to hunt it. I put on my 6" MF coil, and could not move the coil an inch in either direction without getting a signal. Every time I would dig a good signal, it would just be part of the school that was torn down. I even had a problem with pinpointing. I would get a good signal, dig a plug, and then be unable to locate the object.??? I would use my pin pointer, and locate iron fragments, then would run my detector back over the plug and the hole, and get no signal or a bad signal. So my question is, could this area be too trashy to hunt without going crazy? Any suggestion or input will be appreciated. ps. The area is only about 1/2 acre in size
Thanks
 
I think most of us have encountered areas such as you describe at some time or another. I have a similar site..... 100-year old school that was burned down in the 60's. Nothing there now but nails, scraps of roofing, nails, parts of desks, nails, pieces of copper wiring, nails etc. Oh, and did I mention nails? These types of sites are nasty. But on the other hand, if you have "competition" with other detectorists in your neck of the woods, it is likely that they have given up as well. Point being, there may still be coins out there amongst the trash. For these types of sites, I chose the smallest DD coil available. Personally, I'd prefer a 6-inch DD coil at 3 kHz for the reasons I've stated many times. But since we don't have one available in that frequency, the 6-inch DD at 18.75 will have to do. I don't see a lot of difference in the detection depth between the 7.5 kHz concentric and the comparible sized DD at 18.75 kHz. But there is a dramatic difference in their ability to separate targets. If you don't have the small DD, and don't intend to get one, there are a few other things that may help in this situation. Lowering the sensitivity, slowing the sweep speed, raising the coil and running all metal / multiple tones. Sensitivity, speed and height are pretty well self explanatory. As for tones.....I believe the detector will respond quicker between targets in all metal in that it doesn't blank out over rejected targets as it does when they are notched out. Hearing all the tones can be a bit overwhelming. But the key word is that you hear ALL the tones. Target masking is the culprit here. And anything you can do to reduce that masking effect will help you sort out the treasure from the trash. It ain't going to be a walk in the park. But as I mentioned earlier, if it were easy, someone would have already done it! JMHO HH Randy
 
I hunted an area that had in the 20's and 30's been home for an automotive garage. I got a few coins out but hardly worth mentioning. It was so trashy with automotive parts it was unreal. I hit it 3 times and each time came home with my head in a tizzy.
 
Great advice Randy and this is for you Silverman(your name sake). In the worst of the worst trashy areas you can become a silver only hunter and can set custom pattern to knock out everything below a silver dime or silver quarter (might get the odd high conductor copper penny at the silver dime setting).

Yes we need a 6" LF(3 kHz) DD for the X-70(705) sure. The lower frequencies are better for trashy sites.

I have a Detech Excelerator 5" DD coil for my Musketeer Advantage(5 kHz) that will work in such an area, with the discrimination turned up high to hunt silver only. Also I have the TS 800 DD(I think about 7.5").

The Musky with either my 5" or 7.5" DD at 5 kHz coil would be a better choice for me than a X-70 with a 6" DD at 18.75 kHz(or the 6" concentric at 7 kHz with poor separation) in trashy area work !!
 
Thanks everyone. I agree, we need a 6" DD 3 kHz coil!! They would sell like hotcakes. I went back and spent 5 more hours there. Only good find I had was what appears to be an older button with Wallace & Sons on it. I would love to find silver only, and have used patters like pattern 1 to eliminate junk, but it seems like it can't recover fast enough to pick up the good target. This seems to happen at slower sweep speeds as well.
Thanks for all of the help. Keeps any suggestions coming, I've not given up yet.
 
"O" Minelab,"O" Minelab--- Are you listening to your devoted followers.

6" DD 3 kHz coil!!
6" DD 3 kHz coil!!
6" DD 3 kHz coil!!
6" DD 3 kHz coil!!
6" DD 3 kHz coil!!


[size=x-large]PLEASE![/size]

The near future
Thank You I hope.
 
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