HI J PLAYER
It’s true that ground battery formed by gold and other metals/minerals it gives low voltage, may be 1 volt or less, but for long buried gold the battery takes up 50 meters or plus in all directions and the voltage can appear to the ground surface. 1 volt is 1/100 of the static atmospheric voltage at 1 meter above the ground and it may be detected easy by every home made electronic instrument. Ordinary metal detectors work with signal less than 1 mV…
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