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Gold Prospecting
Metal Detecting for Gold
A question about discriminating detectors and lead.
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<blockquote data-quote="Guest" data-source="post: 287004"><p>Elaborating on Ramjets comments, high conductors like lead, silver, aluminium and copper can mimic gold on a 2-tone detector. Generally larger targets or closer targets can read false as iron, and a joined ring will give a stronger signal than a wire, blob, or semi-circle. Meters and screens can also be fooled by large or close targets.</p><p>In this case the quickest way to test is to raise the coil somewhat and swing again.</p><p>High or low tones could be confusing, as different detector brands have high or low pitch sound for non-ferrous identification.</p><p></p><p>If there's lead there, there could well be gold as well.</p><p>Interesting to note that, according to the Eureka Echo article, the finder of the recent 4kg nugget thought it was iron.</p></blockquote><p></p>
[QUOTE="Guest, post: 287004"] Elaborating on Ramjets comments, high conductors like lead, silver, aluminium and copper can mimic gold on a 2-tone detector. Generally larger targets or closer targets can read false as iron, and a joined ring will give a stronger signal than a wire, blob, or semi-circle. Meters and screens can also be fooled by large or close targets. In this case the quickest way to test is to raise the coil somewhat and swing again. High or low tones could be confusing, as different detector brands have high or low pitch sound for non-ferrous identification. If there's lead there, there could well be gold as well. Interesting to note that, according to the Eureka Echo article, the finder of the recent 4kg nugget thought it was iron. [/QUOTE]
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Gold Prospecting
Metal Detecting for Gold
A question about discriminating detectors and lead.
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