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Table 2 Major element concentrations (in wt.%) 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

RIA12

RIA13

SiO2

63.6

60.2

61.4

58.1

55.9

62.3

63.4

59.5

58.8

60.1

58.0

60.5

57.7

TiO2

0.96

1.07

0.67

0.90

0.82

1.03

1.04

0.76

1.09

1.06

1.13

0.72

0.96

Al2O3

14.4

13.9

13.5

14.1

12.2

14.2

15.4

14.2

14.9

13.3

11.1

15.7

12.4

Fe2O3a

5.93

6.71

5.71

5.90

6.23

6.52

6.19

6.73

6.80

7.01

8.09

6.40

6.75

MnO

0.08

0.10

0.05

0.09

0.10

0.09

0.08

0.06

0.08

0.10

0.13

0.06

0.10

MgO

2.58

3.13

3.43

2.67

3.46

3.07

2.22

2.44

3.70

3.48

5.27

2.23

3.32

CaO

5.09

6.19

4.85

7.64

9.96

5.57

4.75

4.96

4.59

6.55

7.95

5.95

7.86

Na2O

3.07

2.88

2.91

2.69

2.19

2.92

3.16

2.72

2.95

2.80

2.08

3.17

2.67

K2O

2.10

1.90

1.90

1.75

1.45

1.97

2.26

2.23

2.20

1.77

1.33

1.84

1.69

P2O5

0.20

0.23

0.05

0.24

0.24

0.20

0.12

0.05

0.04

0.25

0.23

0.04

0.24

LOI

1.12

2.76

4.94

4.29

6.16

1.08

0.98

5.88

4.65

2.54

2.78

3.01

5.62

Sum

99.1

99.2

99.5

98.4

98.7

98.9

99.5

99.6

99.8

98.9

98.1

99.6

99.3

CIX

73.6

74.5

73.8

76.1

77.0

74.3

74.0

74.1

74.3

74.4

74.3

75.9

74.1

Beach

Riachuelos

Palma Sola

Sample

RIA14

RIA15

Mean ± 1 s (n = 15)

PAL1

PAL2

PAL3

PAL4

PAL5

PAL6

PAL7

PAL8

PAL9

SiO2

55.8

58.9

59.6 ± 2.38

80.5

77.6

76.4

76.1

74.4

78.4

78.5

80.5

76.5

TiO2

1.37

1.12

0.98 ± 0.18

0.39

0.49

0.56

0.54

0.77

0.46

0.61

0.48

0.58

Al2O3

12.9

14.6

13.80 ± 1.26

9.21

9.98

10.3

9.96

10.1

9.87

7.05

8.20

10.2

Fe2O3a

9.19

6.67

6.72 ± 0.89

2.77

3.20

3.82

3.59

4.76

3.00

4.10

3.21

3.73

MnO

0.15

0.09

0.09 ± 0.02

0.03

0.04

0.04

0.04

0.05

0.03

0.06

0.04

0.04

MgO

5.57

2.74

3.29 ± 0.99

0.87

1.06

1.37

1.46

1.74

0.85

2.43

1.24

1.13

CaO

8.24

5.58

6.38 ± 1.60

1.97

2.31

2.65

2.78

3.03

2.22

3.47

2.31

2.48

Na2O

2.54

2.96

2.78 ± 0.32

1.90

1.98

2.12

2.04

2.02

2.04

1.37

1.59

1.99

K2O

1.55

2.07

1.87 ± 0.28

1.73

1.68

1.63

1.57

1.59

1.74

1.19

1.52

1.68

P2O5

0.28

0.04

0.16 ± 0.09

0.03

0.02

0.06

0.03

0.05

0.02

0.03

0.04

0.03

LOI

1.72

4.61

3.48 ± 1.81

0.89

1.04

1.11

1.13

1.13

1.05

0.62

0.73

1.08

Sum

99.3

99.3

99.10 ± 0.48

100.3

99.4

100.1

99.2

99.6

99.6

99.4

99.9

99.4

CIX

75.9

74.3

74.8 ± 1.0

71.7

73.1

73.4

73.4

73.8

72.3

73.3

72.6

73.6

Beach

Palma Sola

Sample

PAL10

PAL11

PAL12

PAL13

PAL14

PAL15

PAL16

PAL17

PAL18

PAL19

PAL20

Mean ± 1 s (n = 20)

SiO2

74.0

74.9

78.9

77.7

70.8

71.9

79.0

77.6

78.0

79.8

75.7

76.9 ± 2.64

TiO2

0.59

0.54

0.48

0.87

0.58

0.42

0.66

0.42

0.72

0.55

0.51

0.56 ± 0.12

Al2O3

10.6

9.92

9.18

7.70

8.05

7.89

8.25

7.32

8.82

8.28

9.07

9.00 ± 1.10

Fe2O3a

4.06

3.84

3.14

5.02

4.04

3.17

3.93

3.16

4.25

3.49

3.59

2.69 ± 0.58

MnO

0.05

0.05

0.04

0.06

0.06

0.05

0.05

0.04

0.05

0.04

0.05

0.04 ± 0.01

MgO

1.40

1.53

1.05

2.03

1.90

1.75

1.41

1.56

1.45

1.36

1.53

1.46 ± 0.39

CaO

3.16

3.71

2.36

2.97

6.79

6.96

2.51

3.59

2.41

2.31

4.19

3.21 ± 1.38

Na2O

2.22

1.97

1.89

1.51

1.54

1.48

1.64

1.39

1.72

1.68

1.72

1.79 ± 0.26

K2O

1.63

1.55

1.63

1.29

1.28

1.25

1.46

1.28

1.50

1.49

1.47

1.51 ± 0.17

P2O5

0.09

0.10

0.03

0.02

0.11

0.09

0.03

0.07

0.04

0.04

0.08

0.05 ± 0.03

LOI

1.51

1.92

0.98

0.66

4.14

4.57

0.77

1.74

0.99

0.67

2.30

1.45 ± 1.09

Sum

99.3

100.0

99.7

99.8

99.3

99.6

99.7

98.2

99.9

99.6

100.2

99.6 ± 0.45

CIX

73.4

73.8

72.3

73.3

74.1

74.2

72.7

73.2

73.2

72.4

74.1

73.2 ± 74.2

  1. std. Standard deviation, 1 s One standard deviation, LOI Loss on ignition, n Total number of samples
  2. a means Total Fe expressed as Fe2O3; Chemical Index: CIX = 100 × [Al2O3/(Al2O3 + Na2O + K2O)] (referring to Nesbitt and Young 1982; Cullers 2000; Buggle et al. 2011; Garzanti et al. 2014)