Quaternary volcanism

Sample

6

17

25

26

27

28

14

A

16

19

29

18

DK12

DK11

DK5

DK10

DK4

DK9

SiO₂

48.23

47.54

46.91

47.90

48.24

47.97

50.27

49.35

51.30

50.65

50.51

47.13

48.42

51.72

46.90

49.84

48.20

51.75

Al₂O₃

14.80

15.04

14.60

14.87

14.69

14.66

17.27

14.90

14.72

14.69

15.44

14.82

15.18

15.21

14.92

15.60

15.08

14.66

Fe₂O₃

10.41

10.61

9.81

10.32

10.96

10.82

12.08

11.30

10.44

9.71

10.63

10.26

10.91

10.30

10.46

10.71

10.89

10.91

MnO

0.13

0.14

0.13

0.13

0.14

0.14

0.11

0.15

0.14

0.10

0.12

0.14

0.12

0.12

0.12

0.13

0.13

0.13

MgO

7.88

7.99

7.83

7.40

8.41

8.20

3.52

7.04

7.33

7.39

5.56

7.98

7.18

7.24

8.21

7.26

7.76

7.01

CaO

7.33

8.00

9.42

8.75

8.59

7.91

6.83

8.88

9.01

8.50

9.07

9.07

7.84

8.96

8.32

9.36

8.36

8.73

Na₂O

4.06

4.79

4.30

3.89

3.66

4.51

3.78

3.72

3.94

3.78

4.05

4.16

5.05

4.01

4.20

3.84

4.74

3.95

K2O

1.97

1.46

1.52

1.43

1.24

1.68

0.59

1.04

0.69

0.76

0.47

1.45

1.62

0.61

1.43

0.70

1.51

0.63

TiO₂

2.18

2.13

1.89

1.90

1.81

2.13

1.61

1.70

1.52

1.49

1.55

1.88

2.12

1.35

2.00

1.43

1.86

1.54

P₂O₅

0.69

0.60

0.56

0.59

0.50

0.55

0.30

0.47

0.33

0.34

0.33

0.58

0.53

0.36

0.60

0.34

0.61

0.40

PF

2.66

1.07

1.84

1.97

1.19

0.88

3.63

1.16

-0.04

1.86

1.85

1.69

0.58

nd

2.48

0.57

0.51

0.03

Total

100

99.36

98.80

99.13

99.41

99.43

99.99

99.70

99.39

99.28

99.56

99.15

99.55

99.88

99.64

99.78

99.65

99.74

NaO/K₂O

2.06

3.29

2.83

2.72

2.95

2.69

6.37

3.58

5.68

4.97

8.70

2.87

3.12

6.57

2.94

5.49

3.14

6.27

Ne'

2.93

8.01

8.33

2.62

1.29

8.82

0

0

0

0

0

6.52

8.52

0

5.72

0

7.76

0

Co

54.9

56.9

68.3

84.9

68.8

67.5

54.7

57.1

70.5

47.2

60.6

50.8

55

63

51

65

60

60

Cr

238

253

225

239

262

307

274

257

237

215

242

215

246

261

236

244

257

35

Cs

0.66

1.66

0.36

0.43

0.20

0.58

0.23

0.41

nd

nd

nd

nd

nd

nd

Hf

4.34

4.08

3.45

3.59

3.14

3.81

2.55

2.88

2.15

2.30

2.29

3.73

nd

nd

nd

nd

nd

nd

Nb

66.5

58.2

52.8

53.3

46.1

55.8

30.1

41.2

30.6

31.1

32.1

51.5

56

31

59

27

57

33

Ni

226

231

215

212

237

268

151

218

136

125

116

190

229

146

199

197

227

140

Rb

57.4

17.2

40.9

38

28.2

45

12.3

25.4

15.3

16.9

4.47

37.4

39

17

35

19

44

17

Sr

858

749

772

741

674

714

442

595

466

433

487

742

710

496

768

491

758

451

Ta

5.01

4.54

3.84

3.92

3.20

4.19

1.76

2.71

1.89

1.80

1.86

3.80

nd

nd

nd

nd

nd

nd

Th

4.56

5.23

4.07

4.17

3.51

3.79

2.88

2.87

2.77

3.18

3.16

4.60

nd

nd

nd

nd

nd

nd

U

0.63

1.19

0.79

0.94

0.72

0.86

0.67

0.73

0.48

0.82

0.67

1.09

nd

nd

nd

nd

nd

nd

V

114

141

126

131

136

137

97.2

138

133

122

131

132

145

134

146

47

151

143

Y

18.9

20.2

19.8

20.6

20.4

19.7

23.6

19.9

16.6

16.9

19.1

20.3

19

17

20

42

21

19

Zr

181

161

148

149

132

154

86.1

113

79.4

84.4

87.3

148

143

71

146

74

156

79

La

37.71

34.88

32.84

33.44

30.07

30.80

36.95

27.79

24.36

26.26

26.19

33.88

28.88

24.46

33.80

36.91

33.68

25.65

Ce

68.64

64.48

61.09

61.81

55.47

56.23

52.74

51.44

43.70

47.24

46.39

63.01

51.03

49.13

63.23

38.26

67.13

48.37

Pr

7.92

7.45

7.02

7.15

6.55

6.53

7.84

6.00

4.79

5.18

5.25

7.30

nd

nd

nd

nd

nd

nd

Nd

32.13

30.07

28.05

28.85

26.13

26.89

31.49

24.51

18.55

20.02

20.67

29.40

26.79

18.56

28.39

26.53

28.39

19.49

Sm

7.14

6.65

6.26

6.38

5.82

6.37

7.17

5.37

4.09

4.38

4.66

6.41

6.98

4.69

6.64

6.62

6.89

4.67

Eu

2.48

2.33

2.18

2.22

2.06

2.21

2.53

1.89

1.56

1.62

1.67

2.28

2.25

1.64

2.26

2.22

2.27

1.65

Gd

6.52

6.21

5.64

5.78

5.36

5.69

7.08

5.27

4.26

4.49

4.60

6.08

6.58

4.78

6.20

7.93

6.41

4.75

Tb

0.87

0.87

0.79

0.82

0.78

0.82

1.01

0.76

0.62

0.65

0.69

0.85

nd

nd

nd

nd

nd

nd

Dy

4.31

4.57

4.20

4.37

4.18

4.30

5.37

4.03

3.36

3.58

3.83

4.49

4.35

3.43

4.39

5.54

4.43

3.75

Ho

0.68

0.75

0.71

0.74

0.70

0.71

0.90

0.70

0.59

0.62

0.68

0.75

nd

nd

nd

nd

nd

nd

Er

1.51

1.81

1.71

1.75

1.67

1.68

2.17

1.76

1.45

1.57

1.67

1.82

1.72

1.53

1.70

2.54

1.77

1.61

Tm

0.18

0.23

0.22

0.23

0.22

0.22

0.27

0.22

0.19

0.21

0.23

0.23

nd

nd

nd

nd

nd

nd

Yb

1.01

1.36

1.27

1.34

1.29

1.20

1.65

1.34

1.18

1.25

1.33

1.42

1.11

1.12

1.25

1.61

1.30

1.28

Lu

0.13

0.18

0.17

0.19

0.18

0.17

0.24

0.19

0.16

0.17

0.19

0.20

0.17

0.22

0.21

0.29

0.23

0.23