The things that will defeat a metal detector searching for your gold treasure include:
Depth of the burial (but this also makes the stash hard to remove.)
A large amount of IRON masking the signal, even if shallow.
Assumptions by the operator.
People Also Ask
Yes, gold sets of metal detectors. In fact, metal detectors can tell it apart from other metals as well. That's how handheld treasure hunting metal detectors work.