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Table 2 Outcrops where fault-slip analysis yielded indications of extension (compare Fig. 11)

From: Outcrop-scale fracture systems in the Alpine foreland of central northern Switzerland: kinematics and tectonic context

Outcrop signature

N

n

Right-Dihedra fault-slip analysis

Tectonic regime

Age constraint

σ1

σ2

σ3

Azi.

Pl.

Azi.

Pl.

Azi.

Pl.

34

7

0

322

82

103

6

194

5

Extension

Pre-tilting

36

5

1

219

72

311

1

42

18

Extension

Pre-tilting

37

6

3

352

80

246

3

156

10

Extension

Post-tilting

48

20

4

175

81

349

9

79

1

Extension

Post-tilting

49

14

2

245

79

353

3

84

10

Extension

 

51

10

2

359

65

149

22

244

11

Extension

 

51

11

3

348

85

237

2

147

4

Extension

 

52

5

0

126

72

324

17

232

5

Extension

Post-tilting

55

14

0

5

80

166

9

256

3

Extension

 

55

19

0

228

23

50

7

320

0

Extension

 

56

7

0

321

84

100

5

190

4

Extension

 

56

9

0

320

67

224

3

133

23

Extension

 

57

16

2

330

73

213

8

121

5

Extension

 

58

15

0

205

68

38

22

306

5

Extension

 

58

18

2

228

65

342

11

76

22

Extension

 
  1. N number of relevant fracture measurements, n number of fracture measurements with no shear sense information. σ1 > σ2 > σ3 maximum, intermediate and minimum principal stress axes, Azi Azimuth, Pl. Plunge