There are more and bigger enclaves in granites related to W-Sn-Mo-Bi polymetallic deposits and less and smaller enclaves in granites unrelated to mineralization.

• 与钨、锡、铂、铋等多金属矿有关的花岗岩体中微粒包体的含量高且个体大，而与矿化无关的岩体中含量少、个体小。