Table 2 Quantitative statistical table of fracture zone.

From: Study on the fracture propagation of ground fissures with syn-depositional structure in Fenwei Basin, China

Deposition phase

Layer thickness/m

Vertical activity of preset fracture/mm

Surface main fracture zone/m

Micro-deformation zone/m

Deformation angle of footwall

Hanging wall

Foot wall

Hanging wall

Foot wall

Section main fracture zone

Micro-deformation

zone

the first phase

0.60

30.00

0.40

0.10

0.89

0.25

75°

55°

the second phase

1.00

60.00

0.40

0.20

1.22

0.35

75°

58°

the third phase

1.40

90.00

0.40

0.30

1.38

0.49

78°

65°

the fourth phase

1.80

120.00

0.40

0.30

1.70

0.72

80°

65°

the fifth phase

2.20

150.00

0.40

0.40

0.60

1.26

82°

75°

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