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Table 2 Trace element and rare earth element compositions (in ppm) of mudstones from the Shahai and Fuxin formations in Fuxin Basin

From: Continental chemical weathering during the Early Cretaceous Oceanic Anoxic Event (OAE1b): a case study from the Fuxin fluvio-lacustrine basin, Liaoning Province, NE China

Borehole

Sample code

Depth/m

Sc

Cr

Co

Ni

Th

V

La

Ce

Pr

Nd

Sm

Eu

Gd

Tb

Dy

Ho

Er

Tm

Yb

Lu

LREE

HREE

∑REE

δEu

DY-1

DY-1-1

144.0

20.80

118.00

23.30

51.90

8.95

114.00

41.40

79.50

9.27

37.50

7.02

1.25

4.96

0.80

3.55

0.70

1.97

0.33

2.04

0.29

175.94

14.65

190.59

0.65

DY-1-2

170.0

19.00

140.00

26.90

48.00

10.60

142.00

41.50

89.80

8.78

33.80

6.02

1.25

4.84

0.72

3.73

0.72

2.22

0.33

2.00

0.29

181.15

14.84

195.99

0.71

DY-1-3

194.6

14.10

80.40

16.60

39.30

9.09

106.00

44.90

79.90

8.81

35.30

6.10

1.30

5.50

0.81

4.29

0.84

2.48

0.34

2.09

0.31

176.31

16.66

192.97

0.69

DY-1-4

225.5

16.00

74.00

19.50

42.70

11.10

93.00

44.10

86.90

8.62

32.30

5.66

1.37

5.00

0.78

3.78

0.80

2.15

0.33

2.19

0.31

178.95

15.34

194.29

0.79

DY-1-5

251.0

15.30

85.20

17.80

39.20

11.00

79.10

36.80

70.00

7.60

27.50

4.77

0.97

4.21

0.68

3.36

0.64

2.08

0.30

1.95

0.30

147.64

13.51

161.15

0.66

DY-1-6

292.6

8.80

48.30

10.20

24.90

6.05

54.50

28.10

51.10

6.76

24.70

4.63

0.93

3.88

0.63

3.09

0.63

1.78

0.28

1.67

0.23

116.22

12.18

128.41

0.67

DY-1-7

342.7

20.90

143.00

22.00

58.70

9.98

147.00

50.10

94.00

10.80

42.50

7.95

1.69

6.58

0.93

4.79

0.86

2.38

0.40

2.35

0.37

207.04

18.66

225.70

0.71

DY-1-8

413.0

8.26

38.50

7.53

22.00

7.69

48.50

31.70

60.30

6.70

23.70

4.26

0.83

3.79

0.55

3.03

0.51

1.66

0.25

1.58

0.23

127.49

11.60

139.08

0.63

DY-1-9

459.0

14.60

90.90

17.90

53.10

12.40

90.80

47.30

94.30

9.81

36.10

6.42

1.22

6.02

0.88

4.86

0.93

2.74

0.42

2.62

0.37

195.15

18.84

213.99

0.60

DY-1-10

472.5

14.10

108.00

40.00

98.30

10.70

134.00

57.30

101.00

10.80

38.80

7.23

1.52

6.08

0.89

4.38

0.77

2.43

0.38

2.34

0.36

216.65

17.63

234.28

0.70

DY-1-11

509.5

13.10

83.40

29.30

85.80

10.50

80.60

47.40

82.40

8.90

32.70

5.45

1.09

5.26

0.80

3.97

0.79

2.37

0.34

2.13

0.31

177.94

15.98

193.92

0.62

DY-1-12

527.0

12.90

88.60

22.60

55.90

11.20

79.30

45.10

83.80

9.50

35.90

6.02

1.30

4.88

0.84

4.20

0.76

2.13

0.34

2.23

0.33

181.62

15.70

197.32

0.73

DY-1-13

528.5

12.40

88.30

18.60

40.40

11.00

92.00

49.50

95.30

11.00

41.50

6.86

1.42

5.58

0.89

4.48

0.79

2.23

0.36

2.29

0.32

205.58

16.93

222.51

0.70

DY-1-14

532.0

12.70

90.40

13.50

38.10

10.30

95.20

35.80

68.30

8.14

30.00

5.02

1.09

4.21

0.69

3.69

0.70

2.12

0.34

2.18

0.33

148.35

14.25

162.60

0.72

DY-1-15

537.0

12.30

88.00

25.70

65.80

9.62

86.60

38.30

72.60

8.22

30.90

4.89

1.07

4.22

0.69

3.51

0.65

1.87

0.30

2.01

0.30

155.98

13.55

169.53

0.72

DY-1-16

540.0

11.80

87.20

17.00

41.80

9.96

76.60

40.30

76.70

8.85

32.40

5.39

1.13

4.28

0.73

3.78

0.73

2.05

0.32

2.05

0.32

164.77

14.25

179.02

0.72

DY-1-17

545.0

13.90

84.70

20.50

67.00

10.30

92.30

47.70

90.60

10.60

39.20

6.30

1.34

5.22

0.82

3.86

0.73

1.97

0.33

2.02

0.31

195.74

15.25

210.99

0.71

DY-1-18

550.5

12.50

89.90

14.60

40.90

9.82

85.90

40.90

78.00

8.80

33.30

5.51

1.18

4.54

0.74

3.80

0.71

2.12

0.33

2.11

0.31

167.69

14.66

182.35

0.72

DY-1-19

552.0

13.40

99.10

25.50

51.60

11.70

87.10

43.80

84.80

9.75

36.90

5.98

1.27

4.92

0.82

4.48

0.83

2.40

0.40

2.59

0.39

182.50

16.84

199.34

0.72

DY-1-20

553.0

12.20

77.70

16.80

45.10

9.55

79.80

36.40

69.40

8.02

29.60

5.02

1.01

4.10

0.65

3.40

0.62

1.87

0.30

1.96

0.31

149.45

13.21

162.66

0.68

DY-1-21

571.0

10.20

114.00

13.80

44.20

7.36

70.20

42.50

79.20

9.57

35.00

5.91

1.29

4.71

0.77

3.84

0.72

2.08

0.33

2.08

0.30

173.47

14.83

188.30

0.75

DY-1-22

579.5

12.60

125.00

10.80

37.50

8.61

79.50

43.90

82.00

9.58

35.40

5.92

1.32

4.97

0.83

4.01

0.75

2.25

0.35

2.22

0.32

178.12

15.70

193.82

0.74

DY-1-23

585.5

11.40

110.00

16.70

49.60

8.81

77.50

36.70

72.00

8.36

30.60

5.07

1.04

4.16

0.69

3.61

0.68

1.95

0.31

2.06

0.30

153.77

13.76

167.53

0.69

DY-1-24

591.5

11.60

94.60

19.10

53.40

9.96

79.10

39.80

77.50

9.08

32.70

5.56

1.13

4.70

0.80

4.06

0.74

2.08

0.34

2.17

0.32

165.77

15.21

180.98

0.68

DY-1-25

594.5

10.70

81.60

17.00

49.30

9.29

70.70

39.40

75.40

8.74

31.30

5.23

1.05

4.52

0.73

3.74

0.69

1.95

0.32

2.09

0.29

161.12

14.33

175.45

0.66

DY-1-26

656.0

14.30

102.00

18.40

52.90

12.40

92.60

48.40

88.60

9.40

33.20

6.23

1.14

6.06

0.88

4.39

0.85

2.63

0.37

2.29

0.35

186.97

17.81

204.78

0.57

DY-1-27

714.5

13.10

105.00

16.30

45.40

12.50

110.00

35.30

63.10

6.44

22.80

4.43

0.82

4.17

0.65

3.15

0.59

1.73

0.26

1.77

0.26

132.89

12.58

145.46

0.58

DY-1-28

769.5

14.10

126.00

20.60

58.20

14.30

113.00

38.00

70.40

7.70

28.10

4.88

0.90

4.57

0.68

3.50

0.67

1.85

0.29

1.82

0.26

149.98

13.64

163.62

0.58

DY-1-29

800.0

16.80

109.00

18.90

56.50

13.80

125.00

33.80

69.40

7.67

30.50

6.05

1.22

5.97

0.89

4.87

0.99

2.79

0.38

2.41

0.36

148.64

18.67

167.31

0.62

DY-1-30

856.0

11.20

86.80

14.40

40.60

16.00

93.40

48.90

94.90

9.78

36.40

7.57

0.91

7.61

1.29

7.46

1.48

4.15

0.62

3.65

0.56

198.46

26.81

225.27

0.36

DY-1-31

948.6

16.20

109.00

14.90

46.40

10.70

113.00

44.50

96.90

11.80

46.20

8.28

1.93

7.74

1.24

6.28

1.16

3.09

0.47

2.95

0.42

209.61

23.35

232.96

0.74

DY-1-32

1000.0

10.80

87.60

12.00

38.10

11.60

78.40

34.80

61.90

6.63

23.30

4.24

0.69

4.20

0.63

3.11

0.61

1.81

0.25

1.57

0.23

131.56

12.41

143.97

0.50

DY-1-33

1031.0

11.60

87.20

17.10

45.60

12.50

82.50

40.50

78.10

8.92

32.20

5.38

1.12

4.32

0.71

3.53

0.64

1.86

0.30

1.88

0.28

166.22

13.52

179.74

0.71

DY-1-34

1080.5

12.10

98.60

25.60

69.80

11.50

86.50

35.20

68.50

7.79

28.90

4.88

1.04

4.01

0.62

3.15

0.60

1.68

0.29

1.79

0.26

146.31

12.40

158.71

0.72

DY-1-35

1124.3

14.00

102.00

14.80

44.40

12.10

106.00

47.10

93.30

10.80

39.50

6.89

1.40

5.73

0.91

4.58

0.88

2.40

0.39

2.50

0.38

198.99

17.76

216.75

0.68

DY-1-36

1157.5

13.10

123.00

25.90

79.50

11.50

103.00

45.20

87.90

10.30

38.20

6.12

1.29

5.08

0.76

3.85

0.71

2.06

0.32

2.05

0.28

189.01

15.12

204.13

0.71

DY-1-37

1176.2

12.70

105.00

18.10

52.20

12.60

86.00

40.90

79.30

9.16

34.20

5.76

1.15

4.66

0.77

3.93

0.75

2.17

0.34

2.18

0.32

170.47

15.11

185.58

0.68

DY-1-38

1202.5

11.10

95.00

16.30

51.10

11.30

74.30

48.60

88.60

9.36

33.80

6.11

1.07

5.93

0.90

4.60

0.81

2.36

0.36

2.14

0.34

187.54

17.43

204.97

0.54

DY-1-39

1248.0

15.40

81.40

14.10

34.60

16.20

99.60

64.70

111.00

12.70

44.80

8.29

1.25

7.49

1.16

5.60

1.10

3.41

0.50

3.27

0.49

242.74

23.02

265.76

0.49

DY-1-40

1280.9

12.20

83.10

20.20

54.90

10.40

78.70

44.70

84.10

9.51

35.40

6.07

1.15

5.18

0.77

3.87

0.77

2.17

0.35

2.11

0.29

180.93

15.51

196.44

0.63

DY-1-41

1322.3

16.10

76.40

14.60

36.70

15.30

86.50

57.20

103.00

10.90

37.50

6.47

1.20

6.23

0.97

5.07

1.07

2.96

0.50

2.86

0.41

216.27

20.06

236.33

0.58

DY-1-42

1378.5

12.00

95.80

15.70

38.20

11.50

95.70

48.80

90.70

9.21

33.80

5.69

1.08

5.46

0.82

4.47

0.86

2.47

0.42

2.25

0.34

189.28

17.10

206.38

0.59

DY-1-43

1496.3

15.30

71.90

15.40

45.90

14.00

85.70

45.00

79.70

8.11

28.70

5.17

0.85

5.35

0.80

4.22

0.81

2.31

0.35

1.95

0.29

167.53

16.08

183.61

0.49

DY-1-44

1563.8

12.70

71.40

16.00

46.30

11.40

87.20

47.20

83.20

9.18

32.40

5.81

1.15

5.76

0.88

4.42

0.76

2.28

0.33

1.97

0.28

178.94

16.69

195.63

0.61

DY-1-45

1578.0

10.20

87.80

13.20

47.90

10.70

66.20

39.10

79.00

8.82

33.30

5.56

1.34

4.75

0.76

3.66

0.73

1.82

0.34

2.16

0.28

167.12

14.49

181.61

0.80

DY-1-46

1612.0

10.60

86.30

13.10

38.80

9.76

103.00

40.00

74.40

8.06

28.10

4.84

0.90

4.33

0.63

3.43

0.70

1.90

0.28

1.73

0.26

156.30

13.25

169.55

0.60

DY-1-47

1673.3

17.40

112.00

19.70

45.40

10.10

162.00

59.90

110.00

11.80

41.50

6.94

1.27

6.38

0.93

4.92

0.82

2.61

0.38

2.31

0.35

231.41

18.70

250.11

0.58

DY-1-48

1705.3

12.30

88.00

16.50

41.70

8.94

135.00

41.00

76.90

8.15

29.90

5.40

1.01

5.04

0.76

3.86

0.66

1.98

0.31

1.83

0.26

162.36

14.69

177.05

0.59

DY-1-49

1761.0

11.40

90.90

18.70

48.10

6.65

140.00

42.30

77.80

8.29

29.50

5.30

1.00

5.07

0.78

3.63

0.64

1.73

0.24

1.45

0.19

164.19

13.73

177.92

0.59

DY-1-50

1821.6

7.87

60.10

9.15

28.90

4.07

74.50

28.40

52.20

5.19

17.30

2.87

0.53

3.33

0.43

2.11

0.39

1.12

0.16

0.96

0.16

106.49

8.65

115.14

0.52

FY-1

FY-1-1

228.5

13.20

107.00

19.90

45.70

8.33

113.00

38.50

72.40

7.75

31.60

5.82

1.37

5.36

0.90

4.30

0.79

2.20

0.31

1.93

0.29

157.44

16.07

173.51

0.75

FY-1-2

255.5

9.56

96.00

14.90

33.30

7.15

70.00

34.60

65.70

7.19

28.40

5.36

1.19

5.06

0.77

4.24

0.75

2.00

0.31

1.83

0.27

142.44

15.23

157.67

0.70

FY-1-3

301.5

10.00

100.00

19.30

35.90

5.96

73.50

33.50

61.20

6.76

26.10

4.81

1.13

4.76

0.73

3.75

0.64

1.87

0.26

1.60

0.24

133.50

13.85

147.35

0.72

FY-1-4

370.5

12.10

90.70

15.30

40.50

8.16

70.00

38.90

68.80

7.58

29.20

5.40

1.10

4.83

0.82

4.21

0.71

2.01

0.30

1.83

0.30

150.98

15.02

166.00

0.66

FY-1-5

595.5

9.64

111.00

13.30

33.90

8.50

71.10

44.90

82.30

8.85

34.50

6.08

1.39

5.83

0.92

4.57

0.76

2.20

0.31

2.00

0.30

178.02

16.88

194.90

0.71

FY-1-6

701.5

12.00

97.00

15.00

42.60

9.69

118.00

40.90

81.10

8.64

35.20

5.84

1.34

5.45

0.88

4.18

0.71

2.16

0.35

2.11

0.31

173.02

16.16

189.18

0.73

FY-1-7

743.5

10.40

104.00

18.10

43.60

8.22

93.50

40.90

76.10

8.25

31.20

5.51

1.29

5.16

0.78

3.98

0.70

2.04

0.30

1.88

0.29

163.25

15.13

178.38

0.74

FY-1-8

789.5

11.80

104.00

22.10

50.90

9.12

79.90

46.10

87.00

9.07

35.60

5.97

1.23

6.12

0.95

4.71

0.83

2.39

0.33

2.02

0.32

184.97

17.67

202.64

0.62

FY-1-9

828.5

11.90

112.00

17.70

49.40

8.78

108.00

37.40

67.40

7.59

30.60

5.31

1.09

4.89

0.83

4.02

0.73

2.04

0.31

2.02

0.31

149.39

15.15

164.54

0.65

FY-1-10

862.5

11.40

78.90

15.00

41.70

8.68

69.70

39.30

72.20

7.80

29.50

5.36

1.05

5.04

0.81

4.38

0.72

2.01

0.29

1.77

0.26

155.21

15.28

170.49

0.62

FY-1-11

910.5

10.30

62.40

14.80

40.80

8.40

66.30

38.90

75.00

8.05

32.00

5.72

1.12

5.08

0.78

4.25

0.75

2.27

0.33

1.94

0.30

160.79

15.70

176.49

0.64

FY-1-12

940.0

11.90

93.20

17.00

48.70

10.60

91.60

44.40

86.20

10.10

39.40

6.85

1.28

5.78

0.92

4.71

0.90

2.42

0.41

2.55

0.37

188.23

18.06

206.29

0.62

FY-1-13

971.5

12.00

87.90

14.60

41.70

9.73

79.10

42.10

83.80

8.84

33.70

6.06

1.19

5.53

0.90

4.72

0.85

2.35

0.34

2.19

0.29

175.69

17.17

192.86

0.63

FY-1-14

1000.0

11.60

105.00

18.90

44.40

10.90

79.50

45.10

85.20

9.79

38.40

6.52

1.25

5.56

0.88

4.40

0.84

2.28

0.39

2.43

0.34

186.26

17.12

203.38

0.63

FY-1-15

1060.0

10.60

96.20

15.10

36.00

9.74

65.30

45.50

85.30

9.98

38.40

6.42

1.27

5.49

0.84

4.17

0.79

2.10

0.36

2.28

0.30

186.87

16.33

203.20

0.65

FY-1-16

1080.0

13.70

88.80

20.00

52.80

10.50

81.10

45.60

87.50

9.37

35.70

6.10

1.27

5.71

0.95

4.67

0.88

2.47

0.36

2.20

0.32

185.54

17.56

203.10

0.66

FY-1-17

1319.5

11.70

99.70

16.60

48.10

9.81

100.00

37.40

70.00

7.72

28.50

5.03

1.02

4.80

0.74

3.83

0.64

1.87

0.27

1.56

0.26

149.67

13.96

163.63

0.63

FY-1-18

1365.5

13.30

111.00

17.90

52.10

11.70

120.00

46.30

89.80

8.97

32.80

6.04

1.20

5.79

0.92

4.78

0.80

2.29

0.34

2.13

0.32

185.11

17.37

202.48

0.62

FY-1-19

1420.0

12.50

94.70

17.80

46.80

12.00

81.20

48.40

92.80

10.70

40.50

7.07

1.33

5.94

0.92

4.57

0.88

2.41

0.41

2.55

0.36

200.80

18.04

218.84

0.63

FY-1-20

1488.5

15.20

130.00

18.10

49.30

9.69

130.00

50.20

96.60

9.93

38.80

6.68

1.34

5.64

0.89

4.13

0.74

2.21

0.31

1.91

0.28

203.55

16.11

219.66

0.67

FY-1-21

1540.0

9.96

84.40

15.40

42.30

11.30

64.30

41.70

82.60

9.39

36.40

6.18

1.11

5.34

0.90

4.40

0.84

2.29

0.38

2.41

0.33

177.38

16.89

194.27

0.59

FY-1-22

1605.5

13.70

83.60

19.10

49.60

12.60

114.00

45.50

87.30

9.71

37.40

6.51

1.29

5.62

0.86

4.49

0.84

2.32

0.36

2.21

0.34

187.71

17.04

204.75

0.65

FY-1-23

1660.0

12.90

102.00

17.30

49.70

11.70

87.00

39.00

78.30

8.75

33.00

5.58

1.11

4.71

0.75

3.66

0.69

1.88

0.32

1.98

0.28

165.74

14.26

180.00

0.66

FY-1-24

1726.5

9.29

58.80

13.90

35.40

8.34

111.00

32.30

69.80

6.81

27.40

4.64

0.98

3.65

0.57

3.08

0.56

1.73

0.23

1.64

0.24

141.93

11.70

153.62

0.72

FY-1-25

1760.0

9.28

64.20

13.50

39.30

8.11

71.60

33.10

62.90

6.98

26.90

4.47

0.81

3.82

0.59

2.98

0.55

1.50

0.26

1.54

0.22

135.16

11.45

146.61

0.60

FY-1-26

1840.0

9.34

84.90

22.20

58.80

9.65

79.80

37.00

71.10

7.84

30.80

5.04

0.98

4.41

0.67

3.31

0.63

1.71

0.29

1.75

0.24

152.76

13.00

165.77

0.64

FY-1-27

1908.0

7.47

74.60

11.40

29.30

9.25

57.20

33.50

61.20

7.17

26.40

4.50

0.88

3.52

0.59

3.06

0.54

1.60

0.27

1.71

0.26

133.65

11.55

145.19

0.67

FY-1-28

1926.0

9.65

77.80

13.40

38.00

6.43

70.00

34.70

66.60

7.73

29.20

4.95

1.04

4.17

0.67

3.48

0.64

1.79

0.29

1.72

0.26

144.22

13.02

157.24

0.70

FY-1-29

1944.0

8.27

62.60

13.00

37.70

10.20

50.50

31.30

60.30

7.32

26.60

4.53

0.94

3.98

0.66

3.40

0.64

1.76

0.28

1.82

0.25

130.99

12.79

143.78

0.67

FY-1-30

1980.0

7.00

70.60

11.50

33.10

6.07

57.20

26.70

51.80

5.91

22.20

3.76

0.80

3.32

0.51

2.52

0.47

1.33

0.21

1.31

0.18

111.17

9.84

121.01

0.69

 

Chondrite

–

–

–

–

–

–

–

0.31

0.81

0.12

0.60

0.20

0.07

0.26

0.05

0.32

0.07

0.21

0.03

0.21

0.03

2.11

1.18

3.29

–

  1. Sc, Cr, Co, Ni, Th and V are trace elements; LREE = La + Ce + Pr + Nd + Sm + Eu; HREE = Gd + Tb + Dy + Ho + Er + Tm + Yb + Lu; ∑REE = LREE + HREE; δEu = (Eu / EuN) / [(Sm / SmN) × (Gd / GdN)]1/2; Chondrite data from Boynton (1984)