![]() ![]() ![]() If you can eliminate any iron mask/iron discrimination, you'll hear your ferrous ore loud and clear.Įxample: I have a bucket of silver ore (66+ ounces per ton) from a mine in Colorado that the locals have completely ignored, because the ore also has enough They would have saved battery strength and achieved the same result, if they had just not bothered to turn their detectors on at all. I have seen many people with a wide variety of detectors from different makersĬomplain that there are no more meteorites left, after a day at Gold Basin or Franconia, but when I check their machine, their auto ground balance is on. Turn off the auto ground balance (Accutrak), if the detector allows it. The Eureka Gold is known for it's "Iron Mask/Iron Reject" programming, and the only way around it is to If an object is mostly mineral iron/iron oxides, with little or no metallic iron or nickel, your detectorĭeletes the signal as ground mineralization. Is "Accutrak" which is an automatic ground balance. just to tease this old prospector.Īny experienced meteorite hunter would see why your very magnetic rocks won't sound off on your detector. The other weird thing like I said is there are no other "rock" like these on my entire 20.66 acre claim. I will buy from Garrett or another company when it comes time to replace this Minelab unit. weird - and - very poor customer service. but Minelab would not even attempt to comment. Yea, makes no sense at all why these do not set of the detector. but as heavy as these babies are, I doubt is would be good on fighter jets. maybe I found a new "stealth" or "cloak" stone. Have you tried throwing down a gold nugget underneath one of your ironstones? What happens then? Just curious. I am not familiar with the workings of a Minelab Eureka Gold machine so I have no clue as to why your detector does not react to such a dense concentration of iron. My GB2 would scream bloody murder if I got within a foot of those bad boys you've photoed. The rocks certainly resemble magnetite (i.e., ironstone). so maybe they washed down from higher up somewhere. but I did find them in the bottom of a very narrow and steep wash. they are very "alien" to the rest of the geology on my claim. and they were within 3 feet of each other. The other thing is these three "rocks" are the only ones I have found on my 20+ acrea claim. I'll see if I can find anyone around this area with another gold specific VLF as Frank C suggested. I gound the smaller one with my Dremel and the inside looks like solid iron. My 1/2 rare earth magnet snaps so hard against the big rock that I am afraid I'll pinch my fingers. so it just befuddles me as to why a material that is so attractive to magnets is invisable to the Eureka Gold detector. and it sings very loud on my solid gold ring. I found a very tiny boot nail burried about 3 inches down with it just the other day. But magnetite would set off the detector - correct?.
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