The SHRIMP age data and geochemical results of the Palaeoarchaean dioritic gneiss and fine-grained trondhjemite of the ancient Dongshan rock belt from the Anshan area are reported in this paper.

本文报道了该区老石带太代闪质片麻和细粒奥的SHRIMP测年结果和地球化学组成。