52 Undivided fractional interest in minerals
instrument transferring, encumbering, charging or otherwise
disposing of an undivided fractional interest in a parcel of land
containing mines and minerals, or any mineral, and being less than
an undivided 1/20 of the whole interest in mines or minerals, or in
any mineral contained in that parcel of land.
RSA 1980 cL-5 s55