Sample

²⁰⁸Pb/²⁰⁴Pb

²⁰⁷Pb/²⁰⁴Pb

²⁰⁶Pb/²⁰⁴Pb

²⁰⁶Pb/²⁰⁷Pb

PY-01

37.04

15.33

18.32

1.195

PY-03

37.78

15.3

18.35

1.199

PY-11

38.34

15.39

18.16

1.180

PY-13

37.72

15.46

18.6

1.203

PY-21

37.97

15.49

18.19

1.174

PY-22

37.56

15.45

18.37

1.189

PY-35

37.58

15.48

18.61

1.202

PY-46

37.75

15.47

18.52

1.197

PY-51

37.59

15.48

18.51

1.196

PY-106

37.97

15.26

18.45

1.209

PY-109

38.26

15.45

18.35

1.188

PY-111

38.36

15.52

18.96

1.222

PY-123

41.27

15.64

20.66

1.321

PY-127

36.75

15.38

18.32

1.191

PY-135

41.52

15.8

20.9

1.323