porphyritic rock

1. Massive coarse grained porphyritic granite The granite porphyry occurred in Tuan? Jie? Gou Gold Field is rock plant like hypabyssal/ super hypabyssal intrusive mass.
   块体粗粒斑状花岗岩团结沟金矿区花岗斑岩为岩株状产出的浅成？超浅成侵入体。

noun

1. any igneous rock with crystals embedded in a finer groundmass of minerals

   Synonym:    porphyry