《Table 2 Statistical characteristics of carbon isotopic composition of samples from Permian in Tongj

《Table 2 Statistical characteristics of carbon isotopic composition of samples from Permian in Tongj   提示:宽带有限、当前游客访问压缩模式
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《"Carbon Isotopic Evolution Characteristics and the Geological Significance of the Permian Carbonate Stratotype Section in the Northern Upper-Yangtze Region, Southern China"》


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The maximumδ13C of the Permian of the Tongjiang area in Sichuan Province was 4.8‰,the minimum was-0.6‰,and the average was 3.18‰.Theδ13C value of the Qixia Formation was between 1.8‰and 2.7‰,with an average of 2.5‰.Theδ13C value of the Maokou Formation was between 2.3‰and 4.8‰,with an average of 3.6‰.Theδ13C value of the Wujiaping Formation was between 0.4‰and 4.6‰,with an average of 3.0‰.Theδ13C value of the Changxing Formation was between-0.6‰and 4.7‰,with an average of 3.4‰(Table 2).