2.Representative XRD patterns of illite showing 1Mpolytypes at granodiorite porphyry rockand altered mineralized metamorphic tuffaceous phyllite near the Dexing porphyry cupola.

• 标题： 图2德兴斑岩铜矿花岗闪长斑岩和矿化蚀变浅变质千枚岩中1M伊利石的XRD衍射图谱 Fig.