Detecting For Heavy Metal BouldersBy Andy Maslowski
From page 44 of the October, 1997 issue of Lost Treasure
Copyright © October, 1997 Lost Treasure, Inc. all rights reserved
Do you really want to hear your metal detector sing loudly? Then you should start prospecting for large metal boulders sculptured by Mother Nature.
The heaviest metal boulders have been made of iron, iron and nickel, and copper. But other heavy specimens of gold, silver and platinum have also been discovered.
Iron From The Sky