The origin, development and evolution of South China crust is an unsolved problem. Based on the published zircon U-Pb ages and Sm-Nd model ages, the crust-formation age in this terrane is younger than 1.8—2.0 Ga. Whe...The origin, development and evolution of South China crust is an unsolved problem. Based on the published zircon U-Pb ages and Sm-Nd model ages, the crust-formation age in this terrane is younger than 1.8—2.0 Ga. Whether or not this terrane contains older crustal component is an important question and attracts most geologists’ attention. In the study on the Tanghu granite from the North Zhuguangshan batholith, South China, a 2.展开更多
文摘The origin, development and evolution of South China crust is an unsolved problem. Based on the published zircon U-Pb ages and Sm-Nd model ages, the crust-formation age in this terrane is younger than 1.8—2.0 Ga. Whether or not this terrane contains older crustal component is an important question and attracts most geologists’ attention. In the study on the Tanghu granite from the North Zhuguangshan batholith, South China, a 2.