supported by the National Key Scientific Project of China (No. 2011ZX05005-004;2016ZX05005-002);the National Basic Research Program of China (973 Program) (No. 2012CB214806)
Three positive carbon isotope excursions are reported from Middle-Upper Ordovician in Tahe oil-gas field, northern Tarim Basin. Based on conodont biostratigraphy, the Middle Darriwilian Isotope Carbon Excursion(MDICE...