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Gold Prospecting
Metal Detecting for Gold
Hot Rocks and Tin Foil
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<blockquote data-quote="oldtimerROB" data-source="post: 402601" data-attributes="member: 8947"><p>Ship of fools. in very highly mineralised ground which you get in Vic,s GT and which in some places borders on near extreme, usually the LF machines which work in 50-70 Khz have a hard time ground balancing. Manufacturers call these machines the Gold Bug,Racer Gold and Gold Monster and which I find very amusing. They are however very good at finding very small bits of gold in low/medium mineralised soil as you get in the USA and some places in Victoria.One VLF machine which I wont mention for fear of repercussions works very well all areas of the GT and even has 5 and 7 inch coils for the smaller gold which are reputed to punch very deep for their size, but these coils are very slow in covering a decent area.For this machine it would be advantageous to fit a 40 cm coil to cover virgin ground a lot quicker and seek out larger and deeper nuggets.</p><p>Reducing the frequency,gain and size of a coil will make any particular VLF detector more stable in the soils mentioned.</p></blockquote><p></p>
[QUOTE="oldtimerROB, post: 402601, member: 8947"] Ship of fools. in very highly mineralised ground which you get in Vic,s GT and which in some places borders on near extreme, usually the LF machines which work in 50-70 Khz have a hard time ground balancing. Manufacturers call these machines the Gold Bug,Racer Gold and Gold Monster and which I find very amusing. They are however very good at finding very small bits of gold in low/medium mineralised soil as you get in the USA and some places in Victoria.One VLF machine which I wont mention for fear of repercussions works very well all areas of the GT and even has 5 and 7 inch coils for the smaller gold which are reputed to punch very deep for their size, but these coils are very slow in covering a decent area.For this machine it would be advantageous to fit a 40 cm coil to cover virgin ground a lot quicker and seek out larger and deeper nuggets. Reducing the frequency,gain and size of a coil will make any particular VLF detector more stable in the soils mentioned. [/QUOTE]
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Gold Prospecting
Metal Detecting for Gold
Hot Rocks and Tin Foil
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