塔里木盆地柯坪地区下寒武统肖尔布拉克组地球化学特征及其沉积和成岩环境意义
郑剑锋,黄理力,袁文芳,朱永进,乔占峰

Geochemical features and its significance of sedimentary and diagenetic environment in the Lower Cambrian Xiaoerblak Formation of Keping area, Tarim Basin
Jian-feng ZHENG,Li-li HUANG,Wen-fang YUAN,Yong-jin ZHU,Zhan-feng QIAO
表5 肖尔布拉克组碳酸盐胶结物团簇同位素测试结果
Table 5 Cluster isotope test data of Xiaoerblak Formation microbial dolomite
样品编号产状

δ13Cm

/‰(PDB)

标准偏差

(Sd)

δ18Om/‰(PDB)

标准偏差

(Sd)

Δ47T/℃δ18Ow/‰(SMOW)
X1-C1b孔缝中鞍状白云石0.870.01-10.590.010.55585.31.93
X1-C1b孔缝中鞍状白云石-0.460.02-10.920.020.555 983.41.33
X1-C2b孔洞中方解石-2.490.01-10.570.010.64741.8-5.00
X1-C3b孔洞中方解石-2.810.01-11.210.010.63845.3-5.02
X1-C4b裂缝中方解石-0.680.02-13.660.030.57674.0-2.82
X1-C5b孔洞中方解石-2.250.05-9.50.050.66834.0-5.38