The cupreous porphyries occurring in Shanyang District, Shanxi Province, were geotectonically developed in Qinling orogenic belt during Yenshan epoch. Their K/Na= 0. 84～ 2. 74, δ=2. 48～3. 70, DI =70. 19 ～80. 69,...The cupreous porphyries occurring in Shanyang District, Shanxi Province, were geotectonically developed in Qinling orogenic belt during Yenshan epoch. Their K/Na= 0. 84～ 2. 74, δ=2. 48～3. 70, DI =70. 19 ～80. 69,δEu≈1,δ34S is approximately consistent with展开更多
文摘The cupreous porphyries occurring in Shanyang District, Shanxi Province, were geotectonically developed in Qinling orogenic belt during Yenshan epoch. Their K/Na= 0. 84～ 2. 74, δ=2. 48～3. 70, DI =70. 19 ～80. 69,δEu≈1,δ34S is approximately consistent with
