LE.JAG Posted May 7, 2019 Share Posted May 7, 2019 Hi allwe are looking for informationon different types of gold groundproducing detectable gold / no gold panningI did not go around the whole forumbut I see that there are prospectors from all overUnited States, New Zealand, Australia ??the more information we have (precise)from different sources / better it will be ...so, among you who already find golddo you know the percentage of Fe2O3and Fe3O4 on your hunting groundsif you have answers,please specify if the terrain is easy or difficultto find goldwe are developing a testing groundwith mineralized lands of different originsthe goal being to have the widest possible range of difficultyto improve performance ..all information will be welcome Thanks ! Link to comment Share on other sites More sharing options...
Steve Herschbach Posted May 8, 2019 Share Posted May 8, 2019 Most serious prospectors are using machines like the Minelab GPX and GPZ units that do not report on the mineralization level in any measurable way. I hunt lots of different areas with mineralization from mild to severe, but I don’t know really how most of us can give you useful data. Link to comment Share on other sites More sharing options...
LE.JAG Posted May 8, 2019 Author Share Posted May 8, 2019 yes, these are hard data to find ....we hope to find a prospector who has already donetest the earth of its hardest spotsor with advanced knowledge in geologymust have one, some............light mineralization, is not a problemAQ is already on it ...extreme cases see impossible / are more interesting Link to comment Share on other sites More sharing options...
Rick K - First Member Posted May 8, 2019 Share Posted May 8, 2019 For us non-geologist/chemist types... Fe203 is usually found as hematite Fe304 as magnetite The F-75 and T-2 have readouts of Fe304 Here’s a cut from the F-75 manual as well as one posted a while back by ElNino77 3 Link to comment Share on other sites More sharing options...
Rick K - First Member Posted May 8, 2019 Share Posted May 8, 2019 Also, perhaps see this post on Dankowski. About 12 posts down “HumblePie” gives a detailed explanation of the relationship between GB readout numbers and Fe3O4 percentages. Note, in an early post”Streak!” States this about the infamous Culpepper VA ground...”In the area around cupleper Va, the FE304 reading varies from .1 to 1, with the RARE 3. Link to comment Share on other sites More sharing options...
LE.JAG Posted May 8, 2019 Author Share Posted May 8, 2019 Thanks Rick, Alexandre to find a supplier in Germanyred earth 16% Fe3o4up to 22% reduced to powder !and black earth 10/12%with that, we will be able to reproduce most ofof cases 1 Link to comment Share on other sites More sharing options...
EL NINO77 Posted May 8, 2019 Share Posted May 8, 2019 I use a mixture of 25 kg of silica sand for 1 kg of pure Laboratory Magnetite so it is approximately mineralization is 4% Fe3O4 ... the measurements show on 7bar Fe3O4 -Teknetics G2-11DD coil. This is also the limit for many Vlf detectors, but you need to radically change the settings on them and use some tricks/in overload/ to ground the Balance... LE.JAG .. Your extremely mineralized soil at 12% and 16% Fe3O4 .. will be a big challenge for many Top detectors ... So I'm looking forward to your tests with the new Fisher Pulse detector... Link to comment Share on other sites More sharing options...
Rick K - First Member Posted May 8, 2019 Share Posted May 8, 2019 Do you see where this is heading? Maybe towards a new machine introduced with actually verifiable test results against standardized and measurable set-ups. Wouldn’t that be a change? ”blinding me with Science...” 1 Link to comment Share on other sites More sharing options...
DolanDave Posted May 8, 2019 Share Posted May 8, 2019 Make a detector that can discriminate some hot FeO, basalt, ect without losing depth/ good targets= instant millions.... good luck. Link to comment Share on other sites More sharing options...
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