This article presents Sm-Nd and geochemical data on fine-grained sediments of the north margin from the Yangtze block, C......

研究了沉积变质岩型磁铁矿的主要地质背景和矿物基因的关系,认为矿石的矿物组分、结构构造、嵌布特性、矿物共生关系等信息是矿物......

The amphibole biotite gneiss (ABGn) in the Méiganga area forms part of a meta volcano-sedimentary sequence of the A......

The Alahina sector is located in the North-East of Guinea, precisely in the Siguiri volcano-sedimentary basin. It consis......