Fourty-four isotopic ages have been determined by K-Ar and U-Th-Pb methods for late Palaeozoic granites in Nan Ling Region,South China.All dating values variate
Relative abundances of lithium isotopes are determined for Kirin chcndric meteorite and Hainan tektite with ion microprobe mass spectrometer. The appareut resul
Based upon the present research stratus on Nan Ling granites and in the view of the defferenees in the opinions on the ages and periodic division of Nan Ling gr