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Table 4 Thellier–Coe paleointensity results for ceramic fragments

From: A comprehensive paleomagnetic study from the last Plinian eruptions of Popocatepetl volcano: absolute chronology of lavas and estimation of emplacement temperatures of PDCs

Spec

ΔT (°C)

N

β

f

g

q

δ(CK)

δ(TR)

MADanc

Class

Hraw (μT)

± σH (μT)

fani

Hani

cL2–7

150–515

10

0.06

0.59

0.86

8.4

15.6

1.1

0.8

C

47.1

2.87

0.865304

40.8

cL2–8

250–515

8

0.03

0.55

0.84

14.6

15.3

0.8

1.3

C

43.7

1.47

0.894808

39.1

cL2–9

250–515

8

0.04

0.61

0.84

11.7

7.8

1.3

1.2

B

43.4

1.67

0.875342

38.0

cL2–10

150–515

10

0.05

0.73

0.86

12.8

6.9

2.8

1.7

B

43.5

2.06

0.866909

37.7

cL2–11

350–515

6

0.05

0.58

0.78

8.9

2.0

6.0

1.9

A

47.7

2.30

0.861864

41.1

cL2–12

350–515

6

0.02

0.60

0.77

22.0

5.2

5.1

2.3

B

39.8

0.81

0.954895

38.0

         

Mean = 

 

44.2

  

39.1

         

1σ =

 

2.9

  

1.5

dL2–30

350–540

7

0.11

0.51

0.82

3.9

6.4

1.7

7.8

B

31.8

3.5

0.953086

30.3

dL2–31

350–515

6

0.06

0.43

0.78

5.2

2.2

7.5

4.9

B

38.9

2.5

0.976721

38.0

dL2–32

N/R

0

 

0.975110

31.8

dL2–33

350–515

6

0.04

0.47

0.77

9.0

3.7

6.8

3.5

B

32.4

1.3

0.981138

28.0

dL2–34

350–540

7

0.10

0.53

0.80

4.3

7.2

16.0

5.8

C

32.6

3.2

0.859148

30.6

dL2–35

350–475

4

0.06

0.30

0.66

3.4

3.9

4.6

3.4

C

34.2

2.0

0.896152

 
         

Mean =

 

34.0

  

31.7

         

1σ =

 

2.9

  

3.7

dL3–36

300–515

7

0.04

0.27

0.76

4.9

2.7

2.2

1.6

C

54.6

2.2

0.932281

50.9

dL3–38

300–515

7

0.10

0.27

0.70

1.9

2.3

0.3

1.6

C

50.1

5.1

0.906250

45.4

dL3–39

N/R

C

0.964768

54.9

dL3–40

N/R

 

  

dL3–41

300–475

5

0.08

0.21

0.72

1.9

2.8

2.0

1.9

 

56.9

4.5

  
         

Mean =

 

53.9

  

50.4

         

1σ =

 

3.4

  

4.8

  1. Spec: cL2: summit of Lorenzo pumice; dL2 and dL3: below Lorenzo pumice
  2. ΔT temperature interval used for the intensity determination, N number of heating steps used for the intensity determination, β = σm/m, f fraction of extrapolated NRM used for intensity determination, g gap factor, q quality factor as defined by Coe et al. (1978), δ(CK), δ(TR), MADanc and class as defined by Leonhardt et al. (2004), Hraw raw archeointensity value, σH standard deviation of Hraw, fani anisotropy correction factor, Hani anisotropy-corrected archeointensity