Granites are widespread in Ouangxi Province, and distributed in four tectonicmagmatic belts. Geochemical characteristics of these Mesozoic granites can be outli
Five biotites of Himalayan Period from southern Xizang platean have been irradiated and determined using reactor No. 901 in Qinghua University as fast neutron s
Mass-spectrometric analysis is a precision technique for analyzing trace elements and determining isotopic ratios. Three kinds of errors--statistical, instrumen
Samples of oil-field waters taken frown ten major oil-gas-bearing basins and more than fifty oil fields in China were studied on the basis of various bond param