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根据研究所得新资料，报道了江南造山带东段造山后花岗岩的一个实例：石耳山花岗岩．它的单颗粒锆石Ｕ－Ｐｂ同位素年龄值为０．７７～０．８３Ｇａ，因此该花岗岩形成于晚元古代江南造山带造山运动趋于结束或结束以后（造山运动结束时限被认为是０．８Ｇａ前后［１３］）．它为含绿帘石的碱性长石花岗岩，具高硅、富碱、过铝和较低的Ｚｒ、Ｈｆ、ＨＲＥＥ、Ｌａ／Ｙｂ、Ｒｂ／Ｍ（Ｍ＝ＨＲＥＥ、Ｙ、Ｚｒ、Ｈｆ等），以及趋近于零的εＮｄ（Ｔ）值等特点，起源于有当时年青的含基性岩组分参与的不成熟地壳物质．
According to the new data obtained from the study, an example of post-orogenic granite in the eastern segment of the Jiangnan orogenic belt is reported: Shiershan granite. Its single-grain zircon U-Pb isotopic ages range from 0.77 to 0.83 Ga, so the granite was formed after the late or late Neoproterozoic Jiangnan orogeny (the end of orogenic movement was considered as zero. 8Ga before and after [13]). It is an alkaline feldspar granite with ethereal, with high silicon, alkali-rich, over-aluminum and lower Zr, Hf, HREE, La / Yb, Rb / M (M = HREE, Y, Zr, Hf, etc. ), And εNd (T) values approaching zero, originated from the immature crustal material that was involved in the age-bearing basic rock components.