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Table 2 Thellier–Coe paleointensity results for site PO-3 (Neáltican lava flow)

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

Specimen

ΔT (°C)

N

β

f

g

q

δ(CK)

δ(TR)

MADanc

Class

Hraw (μT)

± σH (μT)

f

Hcrc (μT)

21A

150–560

11

0.04

0.59

0.86

12.2

5.9

3.3

2.1

B

55.4

2.29

1.11

49.9

22A

200–560

10

0.03

0.90

0.87

30.0

2.7

7.7

0.9

B

59.7

1.55

1.08

55.2

23B

200–560

10

0.02

0.91

0.87

32.4

5.1

7.0

1.1

B

59.5

1.46

1.02

58.3

24C

200–560

10

0.06

0.71

0.77

9.3

6.4

7.0

1.1

B

61.8

3.61

1.03

60.0

25A

250–560

9

0.05

0.76

0.78

12.5

0.3

7.8

1.5

A

63.6

3.04

1.04

61.2

26B

250–560

8

0.04

0.69

0.83

15.7

7.9

4.4

1.5

B

60.8

2.24

1.04

58.4

27A

250–560

9

0.03

0.75

0.85

23.5

6.5

4.1

1.2

B

61.6

1.65

1.05

58.6

         

Mean =

 

60.3

  

57.4

         

1σ =

 

2.6

  

3.8

  1. δT temperature interval used for the intensity determination, N number of heating steps used for the intensity determination, β = σm/m (m slope of the best fit line, σm standard deviation of 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 H, f cooling rate correction factor, Hcrc cooling rate-corrected archeointensity