用“porphyritic granite”造句大全，porphyritic granite造句
massivecoarsegrainedporphyriticgranitePotashfeldsparporphyroblastsoccurinlargequantityinthegranitecloselyrelatedtothegoldoredepositsintheZhaoyuan-Yexianarea,especiallyintheGuojialingporphyriticgranite...