Inverse slope method

Thickness of alterite

a₁

b₁

a₂

b₂

a₃

b₃

a₄

b₄

ISM

Drilling

Equations

0.0284

−0.042

0.0066

0.2591

−0.0016

0.5131

20.65

20.8

ρ (Ω∙m)

35.21

151.52

625

H (m)

9.21

11.44

Equations

0.049

−0.008

0.015

0.225

0.007

0.383

5E−04

0.616

24.24

24

ρ (Ω∙m)

20.45

68.03

144.93

2000

H (m)

4.54

9

10.7

Equations

0.003

0.023

0.012

−0.106

−3E−04

0.387

26.08

28.6

ρ (Ω∙m)

303.03

81.3

3333.33

H (m)

9.5

16.58

Equations

0.014

−0.024

−6E−04

0.394

18.67

11.54

ρ (Ω∙m)

69.93

1666.67

H (m)

18.67

Equations

0.025

−0.044

0.003

0.111

0.007

0.018

0.002

0.296

37.85

40.74

ρ (Ω∙m)

40.32

384.62

140.85

454.55

H (m)

4.66

9.19

24

Equations

0.006

−0.013

0.019

−0.076

7E−04

0.351

15.89

14

ρ (Ω∙m)

158.73

53.76

1428.57

H (m)

3.41

12.48

Equations

0.077

−0.182

0.01

0.088

−9E−04

0.321

12.99

6.2

ρ (Ω∙m)

13.05

97.09

1111.11

H (m)

2.71

10.28

Equations

0.0057

−0.0226

0.0466

−0.6132

7E−05

0.7980

20.22

15

ρ (Ω∙m)

175.44

21.46

14285.71

H (m)

9.63

10.59

Equations

0.013

0.041

0.036

−0.171

−4E−04

1.003

21.51

20.85

ρ (Ω∙m)

78.13

27.78

2500

H (m)

6.09

15.42