Sample number

Position

mass fraction/%

Sr/Ba

Na

Sr

Ba

LO1s-3-TO

One sections (Nanjinguan Formation)

0.05

262.63

4.89

53.67

LO1n-4-TO

0.05

226.90

4.37

51.97

LO1n-5-TO

0.06

325.65

11.22

29.03

LO1n-7-TO

0.07

348.27

22.57

15.43

LO1n-7-WC2

0.10

368.36

281.56

0.24

LO1n-8-TO

Two sections (Nanjinguan Formation)

0.07

355.77

24.37

14.60

LO1n-9-TO

0.09

263.02

128.95

2.04

LO1n-10-TO

0.05

381.31

11.63

32.79

LO1n-11-TO

0.07

467.29

74

6.31

LO1n-12-TO

0.06

299.40

5.61

53.41

LO1n-13-TO

0.05

338.49

6.65

50.87

LO1n-14-TO

0.06

306.68

25.87

11.86