1.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.
1.本文报道了该区东山古带古太古代闪
质片麻
和细
花岗
的SHRIMP测年结果和地球化学组成。