trondhjemite英'trɒnjemaɪt美'trɒnjemaɪtBNC²³⁶²¹³⁺¹ 基本例句 奥长花岗岩¹⁰⁰ 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. 本文报道了该区东山古老岩石带古太古代闪长质片麻岩和细粒奥长花岗岩的 SHRIMP测年结果和地球化学组成。 dictall