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Earth, Planets and Space

Table 4 IZZI CRcorr paleointensity results for all six studied flows. Columns as defined in Table 2

From: A multimethod paleointensity approach applied to the historical Xitle lava flows (Central Mexico): towards the accurate paleointensity determination

Specimen

Tmin [°C]

Tmax [°C]

N

slope

β

f

g

q

Madanc [deg]

α

Class

δ(CK)

δ(pal)

d(t*)

d(TR)

k

PI [μT]

σ [μT]

fCR

PICRC [μT]

Flow 1

 X003C-2

20

460

10

− 1.14

0.14

0.51

0.85

3.1

3.0

2.1

B

5.9

5.1

12.8

12.0

 

57.27

8.05

1.13

50.7

Flow 2

 X014C-1

340

490

6

− 0.92

0.02

0.49

0.65

20.8

2.6

1.4

B

4.9

2.9

6.0

0.9

0.0508

46.21

0.71

0.991

46.6

 X014C-2

20

490

11

− 0.95

0.03

0.58

0.72

12.6

4.6

3.3

B

5.1

5.7

3.7

1.5

0.1780

47.64

1.56

0.987

48.3

 X014C-3

300

490

7

− 0.96

0.03

0.54

0.70

14.8

2.0

0.9

B

4.2

0.0

12.6

0.8

0.1694

47.80

1.21

0.993

48.1

 X014C-4

20

490

11

− 1.12

0.03

0.59

0.76

14.1

3.7

2.8

B

5.1

0.9

6.1

3.7

0.0357

55.82

1.79

1.030

54.2

               

Mean =

 

49.4

  

49.3

               

σ =

 

4.4

  

3.3

Flow 2

 X017C-1

20

460

10

− 0.95

0.09

0.46

0.66

3.5

5.4

2.4

B

2.4

0.0

9.7

8.8

− 0.0483

47.42

4.11

1.021

46.4

 X017C-2

20

460

10

− 0.95

0.08

0.43

0.71

3.7

4.0

1.0

B

1.6

6.6

12.2

7.2

− 0.0302

47.72

3.98

1.011

47.2

 X017C-3

20

460

10

− 0.96

0.09

0.39

0.70

2.9

4.7

1.8

B

0.8

2.4

13.4

8.8

− 0.0885

47.91

4.49

1.018

47.1

 X017C-4

20

460

10

− 1.10

0.10

0.40

0.75

3.1

6.5

3.0

B

3.2

9.4

13.0

4.1

0.0836

54.87

5.33

0.993

55.3

               

Mean =

 

49.5

  

49.0

               

σ =

 

3.6

  

4.2

           

(n = 8)

Flow mean = 

 

49.4

  

49.1

            

σ =

  

3.7

  

3.5

Flow 3

 X029C-1

100

510

11

− 1.55

0.03

0.55

0.85

16.3

3.7

4.4

B

3.5

4.8

10.5

3.2

− 0.2467

77.55

2.24

0.986

78.7

 X029C-2

300

510

8

− 1.47

0.03

0.51

0.83

12.5

4.3

3.5

B

4.0

5.9

7.8

2.6

− 0.0736

73.27

2.52

1.004

73.0

 X029C-3

20

510

12

− 1.50

0.02

0.61

0.87

21.6

5.6

5.9

B

5.1

1.9

8.5

2.6

0.0364

74.90

1.84

1.025

73.1

 X029C-4

20

510

12

− 1.61

0.07

0.53

0.86

6.6

5.4

5.8

B

2.4

3.8

6.1

2.0

0.0357

80.47

5.50

1.039

77.4

               

Mean =

 

76.5

  

75.5

               

σ =

 

3.2

  

2.9

Flow 4

 X032C-1

20

460

10

− 1.31

0.15

0.37

0.77

2.0

10.5

1.3

B

2.1

7.9

5.8

4.2

-0.0614

65.58

9.55

1.062

61.8

 X032C-2

20

460

10

− 1.29

0.07

0.40

0.81

4.7

4.0

1.2

B

2.2

4.9

5.0

3.3

0.8330

64.64

4.38

1.004

64.4

 X032C-3

100

460

9

− 1.26

0.12

0.39

0.75

2.4

6.0

2.2

B

5.4

9.2

8.0

4.0

0.2563

63.06

7.43

0.980

64.3

 X032C-4

200

460

8

− 1.25

0.13

0.41

0.73

2.3

5.8

2.9

B

4.6

8.5

8.3

4.2

0.1987

62.25

8.04

1.001

62.2

               

Mean =

 

63.9

  

63.2

               

σ =

 

1.5

  

1.4

Flow 5

 X041C-1

20

460

10

− 1.32

0.05

0.70

0.82

10.8

4.5

3.5

B

6.0

6.7

5.8

2.7

0.0331

66.01

3.48

1.023

64.5

 X041C-2

20

460

10

− 1.36

0.04

0.71

0.84

15.6

4.2

3.5

B

1.9

0.9

5.0

2.3

0.0006

68.18

2.63

1.033

66.0

 X041C-3

20

460

10

− 1.24

0.03

0.70

0.82

18.0

4.3

2.9

B

0.9

0.1

6.4

1.6

0.1558

62.13

1.98

1.036

60.0

 X041C-4

20

460

10

− 1.53

0.05

0.74

0.83

11.6

3.1

2.5

B

6.1

1.8

7.1

2.7

0.0933

76.38

4.04

1.075

71.1

               

Mean =

 

68.2

  

65.4

               

σ =

 

6.0

  

4.6

Flow 5

 X042C-1

20

490

11

− 1.14

0.05

0.77

0.78

12.2

3.6

1.9

B

2.1

0.6

8.4

3.4

0.2122

56.80

2.80

1.013

56.1

 X042C-2

340

490

6

− 1.16

0.05

0.60

0.73

8.7

1.6

1.5

B

3.0

9.9

11.6

1.9

0.2140

58.12

2.93

1.009

57.6

 X042C-3

100

460

9

− 1.30

0.09

0.56

0.76

4.7

4.1

1.9

B

2.6

3.2

10.1

2.4

0.1808

64.80

5.92

1.022

63.4

 X042C-4

20

490

11

− 1.16

0.05

0.74

0.79

12.9

3.4

1.9

B

1.5

2.4

10.1

1.4

0.0671

57.97

2.62

1.024

56.6

               

Mean =

 

59.4

  

58.4

               

σ =

 

3.6

  

3.4

           

(n = 8)

Flow mean = 

  

63.8

  

61.9

            

σ =

  

6.6

  

5.3

Flow 6

 X047C-1

400

510

5

− 1.09

0.01

0.41

0.73

21.9

4.8

2.8

B

3.7

3.6

6.5

2.2

− 0.0659

54.37

0.75

1.027

52.9

 X047C-2

300

510

8

− 1.21

0.11

0.54

0.82

4.1

4.3

3.3

B

5.7

9.7

4.4

3.2

0.2978

60.32

6.53

1.078

56.0

 X047C-3

20

460

10

− 1.57

0.10

0.41

0.85

3.6

3.9

0.4

B

1.9

8.3

4.2

3.9

0.4380

78.35

7.49

1.143

 

 X047C-4

200

510

10

− 1.25

0.06

0.55

0.85

8.2

5.4

4.3

B

4.3

9.9

4.2

2.1

0.2307

62.57

3.55

1.011

61.9

               

Mean =

 

63.9

  

56.9

               

σ =

 

10.2

  

4.5

 X050C-1

20

510

12

− 1.31

0.05

0.66

0.87

12.2

4.9

6.2

B

4.2

5.7

5.0

3.1

0.2857

65.45

3.06

1.033

63.4

 X050C-2

20

510

12

− 1.29

0.04

0.62

0.87

14.8

5.4

6.2

B

2.3

5.3

5.6

2.2

0.0568

64.71

2.35

1.017

63.6

 X050C-3

100

510

11

− 1.21

0.05

0.62

0.86

11.7

4.9

4.8

B

4.2

10.0

5.4

4.1

0.1401

60.46

2.76

1.026

58.9

 X050C-4

20

510

12

− 1.30

0.03

0.64

0.87

21.1

3.5

3.7

B

2.3

7.6

7.9

2.8

0.0745

65.19

1.71

1.017

64.1

               

Mean =

 

64.0

  

62.5

               

σ =

 

2.3

  

2.4

           

(n = 8)

Flow mean = 

  

63.9

  

60.1

            

σ =

  

6.9

  

4.3

            

Flows 4 6

      
           

(n = 20)

Mean =

  

63.9

  

61.5

            

σ =

  

5.8

  

4.5

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