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Journal of Palaeogeography

Table 4 Rare earth element concentrations (in ppm) of the Riachuelos and Palma Sola beach sediments

From: Detrital zircon U–Pb geochronology and geochemistry of the Riachuelos and Palma Sola beach sediments, Veracruz State, Gulf of Mexico: a new insight on palaeoenvironment

Beach

Riachuelos

Sample

RIA1

RIA2

RIA3

RIA4

RIA5

RIA6

RIA7

RIA8

RIA9

RIA10

RIA11

La

22.2

23.6

22.5

22.1

22.7

24.1

26.7

23.5

24.6

25.1

24.5

Ce

46.2

47.3

45.6

44.6

45.1

48.2

46.2

47.9

46.5

45.5

46.6

Pr

5.23

5.77

5.34

5.51

5.81

5.75

6.24

6.14

5.94

6.13

6.48

Nd

20.3

22.8

20.9

21.6

23.1

22.8

24.0

22.8

21.6

24.6

26.7

Sm

3.94

4.40

4.23

4.07

4.39

4.42

4.64

4.36

4.28

4.92

5.54

Eu

1.35

1.44

1.25

1.27

1.26

1.49

1.81

1.38

1.28

1.57

1.63

Gd

3.78

4.28

3.85

3.82

4.00

4.29

4.70

4.06

4.13

4.71

5.42

Tb

0.52

0.58

0.51

0.51

0.53

0.58

0.64

0.59

0.52

0.62

0.75

Dy

2.75

3.12

2.54

2.63

2.72

3.10

3.50

3.09

2.90

3.43

3.98

Ho

0.53

0.58

0.49

0.49

0.52

0.59

0.69

0.53

0.57

0.63

0.75

Er

1.51

1.66

1.38

1.35

1.41

1.67

2.02

1.47

1.51

1.79

2.12

Tm

0.20

0.22

0.19

0.17

0.17

0.22

0.28

0.18

0.19

0.23

0.27

Yb

1.33

1.38

1.21

1.13

1.09

1.43

1.90

1.18

1.19

1.55

1.80

Lu

0.20

0.20

0.18

0.16

0.15

0.21

0.29

0.17

0.16

0.22

0.26

LREE

98.0

104

98.0

98.0

101

105

108

105

103

106

110

HREE

10.8

12.0

10.3

10.3

10.6

12.1

14.0

11.3

11.2

13.2

15.3

TREE

110

117

110

109

113

119

124

117

115

121

127

Eu/Eu*

1.05

1.00

0.93

0.97

0.90

1.03

1.17

0.99

0.92

0.99

0.90

Beach

Riachuelos

Palma Sola

Sample

RIA12

RIA13

RIA14

RIA15

Mean ± 1 s (n = 15)

PAL1

PAL2

PAL3

PAL4

PAL5

PAL6

La

25.6

25.9

31.8

26.1

24.70 ± 2.45

10.4

10.8

10.3

12.4

11.8

12.6

Ce

44.6

51.5

62.6

45.7

47.60 ± 4.51

18.1

19.2

18.4

21.7

21.2

22.8

Pr

5.24

6.39

8.41

5.34

5.98 ± 0.79

2.26

2.42

2.36

2.74

2.74

3.12

Nd

22.4

25.5

33.4

22.8

23.7 ± 3.2

8.63

9.83

9.19

10.1

10.7

12.2

Sm

4.42

4.98

6.51

4.18

4.62 ± 0.66

1.66

1.94

1.85

2.02

2.17

2.32

Eu

1.37

1.54

1.93

1.37

1.46 ± 0.20

0.69

0.52

0.71

0.56

0.74

0.66

Gd

3.74

4.92

6.23

4.21

4.41 ± 0.69

1.52

1.82

1.71

1.87

1.87

2.20

Tb

0.55

0.67

0.8

0.61

0.60 ± 0.09

0.23

0.27

0.26

0.3

0.28

0.30

Dy

3.02

3.54

4.23

2.96

3.17 ± 0.49

1.38

1.57

1.54

1.69

1.73

1.62

Ho

0.58

0.68

0.79

0.57

0.60 ± 0.09

0.30

0.35

0.33

0.36

0.37

0.31

Er

1.47

1.9

2.21

1.56

1.67 ± 0.28

0.82

0.92

0.91

1.02

1.02

0.91

Tm

0.19

0.25

0.28

0.2

0.22 ± 0.04

0.11

0.11

0.12

0.12

0.13

0.13

Yb

1.24

1.62

1.88

1.32

1.42 ± 0.27

0.86

0.97

0.95

0.93

1.17

0.84

Lu

0.18

0.25

0.27

0.2

0.21 ± 0.04

0.13

0.15

0.15

0.14

0.18

0.12

LREE

102

114

143

104

107.0 ± 10.9

41.0

44.2

42.1

49.0

48.6

53.1

HREE

11.0

13.8

16.7

11.6

12.30 ± 1.93

5.36

6.17

5.96

6.44

6.76

6.43

TREE

115

130

161

117

120.0 ± 12.8

47.1

50.9

48.7

56.0

56.1

60.2

Eu/Eu*

1.00

0.94

0.91

0.99

0.98 ± 0.07

1.31

0.83

1.19

0.87

1.09

0.88

Beach

Palma Sola

Sample

PAL7

PAL8

PAL9

PAL10

PAL11

PAL13

PAL15

PAL17

PAL20

Mean ± 1 s (n = 15)

 

La

9.90

10.9

11.6

13.8

13.7

9.85

13.2

11.6

10.8

11.60 ± 1.32

 

Ce

19.1

21.7

20.8

25.9

25.0

18.9

24.8

21.7

19.2

21.20 ± 2.51

 

Pr

2.55

2.68

2.54

3.44

3.36

2.38

3.35

2.94

2.50

2.76 ± 0.39

 

Nd

10.5

9.83

9.72

12.8

13.2

9.65

13.5

11.8

9.73

10.80 ± 1.55

 

Sm

2.34

1.84

1.95

2.46

2.78

2.04

2.95

2.52

1.95

2.19 ± 0.37

 

Eu

0.67

0.48

0.78

0.66

0.8

0.70

0.87

0.68

0.63

0.68 ± 0.10

 

Gd

2.07

1.71

1.78

2.32

2.38

1.94

2.79

2.16

1.69

1.99 ± 0.33

 

Tb

0.31

0.25

0.28

0.34

0.35

0.30

0.41

0.32

0.25

0.30 ± 0.05

 

Dy

1.85

1.42

1.65

1.98

2.06

1.80

2.42

1.86

1.56

1.74 ± 0.27

 

Ho

0.39

0.28

0.36

0.40

0.43

0.38

0.48

0.39

0.34

0.36 ± 0.05

 

Er

1.04

0.82

1.00

1.18

1.14

1.04

1.29

1.02

0.94

1.01 ± 0.13

 

Tm

0.13

0.12

0.11

0.12

0.13

0.14

0.13

0.12

0.11

0.12 ± 0.02

 

Yb

1.11

0.77

1.05

1.16

1.21

1.10

1.22

1.07

1.06

1.03 ± 0.14

 

Lu

0.17

0.11

0.16

0.17

0.18

0.17

0.18

0.16

0.17

0.16 ± 0.02

 

LREE

44.5

46.9

46.7

58.4

58.1

42.8

57.8

50.6

44.2

49.00 ± 5.93

 

HREE

7.07

5.48

6.38

7.73

7.89

6.86

8.92

7.10

6.12

6.71 ± 0.94

 

TREE

52.2

52.8

53.8

66.8

66.8

50.4

67.6

58.4

50.9

55.90 ± 6.74

 

Eu/Eu*

0.91

0.82

1.26

0.83

0.93

1.06

0.91

0.87

1.03

0.99 ± 0.16

 
  1. 1 s One standard deviation, HREE Heavy Rare Earth Elements, LREE Low Rare Earth Elements, TREE Total Rare Earth Elements, Eu/Eu* EuCN/(SmCN × GdCN)1/2 and Ce/Ce* CeCN/(LaCN × PrCN)1/2, where CN means the chondrite-normalized value (Taylor and McLennan 1985)
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