Hola, I am just getting started with metal detecting in Colombia S.A. The area where I live has great potential with a find of over 1 million ozs.estimated found 21 km N.E. of where I live. My question is I have a Whites Goldmaster 66tr with 2- coils to get started with also a sluice being shipped here from the U.S. How does the old White work in mineralized soils? I have read all the reviews on the net, but they are very few due to the age of this detector, I guess it is a big step above nothing. I will be posting pictures as soon as my equipment arrives and I can get swinging, and checking s