[size=small]I have been re-reading Wallace Chandlers excellent book, "Advanced Shallow Water Treasure Hunting," this week. Here's what this undeniable expert has to say about gold chains, chains in general, etc.:
"Gold chains are probably the most difficult item to detect because you don't detect the chain as a whole. Your machine only sees each individual link and since alloyed gold is not very conductive, you are at a great disadvantage in trying to find them. The job is much easier if there is a medal or trinket attached. Silver chains are much easier to detect, for sterlin silver is very conductive. Most gold chains will be found at or near the surface. There are a lot of chains in lakes, just out of reach, probably, to present day metal detectors.
When you DO detect a gold chain, it will probably have a weak or erratic sound, not unlike a small piece of tinfoil. A friend of mine is so determined to find a gold chain that he runs little or no discrimination to increase his chances. He ends the day with not much more than a pile of junk to show for his efforts. If he used around three on the discrimination dial,** he could find enough gold rings to buy all the chains he could want, instead of digging 95% junk. Did I make a point? I hope so
** In case you don't know this book, Mr. Chandler wrote it around his favorite instrument, the Fisher 1280X. A DISC setting of three on this unit would be well below large foil, yet still be knocking out most iron crap.[/size]