A metal detector can detect all types of metal....depending on in what type of soil it is in.
they detect metal
Depends on the size of the metal detectors, and the size of the metal under the surface of the earth. The bigger the metal detector, the bigger the piece of metal, the deeper down it will detect.
Nope. Just metal...
no
Not necessarily. That would depend upon the metal detector design and the sensitivity settings.
they mite
yes
carbon fibre
no there was no electricity i think
there are traces of iron in the bone so the metal detecters can detect them :-)
One should never metal detect without permission from the owner of the property or business, even if it is a public place. To to other wise is considered to be trespassing.