The study of characteristics of geology,geochemistry,lithogenesis and ore potentiality from Lianyujian deformation granite mass in Shangcheng of Henan,shows that SiO2 and K2O in low contents with Al2O3,TiO2,CaO,MgO,Fe2O3+FeO are high in contents;Na2O+K2O ranging from 7.
河南商城鲢鱼尖变形花岗岩岩体的地质、地球化学特征、成因及含矿性研究表明,岩体具有贫SiO2、K2O,富Al2O3、TiO2、CaO、MgO、Fe2O3+FeO之特征,Na2O+K2O为7。
The ages, natures and tectonic environments of the Bangong Co porphyry copper belt have been preliminarily determined through a study of ore-bearing porphyries in the Dobuzha and Garqiong porphyry copper deposits in the porphyry copper belt.
通过对藏西班公湖斑岩铜矿带多不杂和尕尔穷2个大、中型斑岩铜矿床含矿斑岩的研究,初步查明了该铜矿带的形成时代、含矿斑岩性质及成矿构造环境。
The ore-bearing porphyries of the Gangdese porphyry copper belt in the southern Tibet plateau possess the essential characteristics of adakite and formed from partial melting of subducted Tethyan oceanic crusts under eclogite facies conditions.
本文用冲江和拉抗俄两个矿区含矿斑岩的黑云母和斜长石斑晶测定了它们的~(40)Ar/~(39)Ar年龄,结果表明两个矿区虽然相隔百余千米,但形成时间非常一致。
Petrochemistry and SHRIMP U-Pb zircon age of the Chongjiang ore-bearing porphyry in the Gangdese porphyry copper belt;
冈底斯铜矿带冲江含矿斑岩的岩石化学及锆石SHRIMP年龄特征