Table 8 Bulk lithostatic and hydrostatic stress applied to each formation

Oruanui

1.6

1.1

1.6

0.64

0.74

0.51

0.78

0.54

Huka falls Fm

1.6

1.5

1.6

1.5

1.7

1.7

1.8

1.7

Rhyolite

2.9

1.6

5.4

4.3

1.3

0.74

2.9

1.6

Waiora Fm

0.73

0.34

4.5

1.8

0.83

3.9

0.18

Whakamaru group ignimbrite

4.0

2.0

2.1

3.6

6.5

3.2

1.1

5.6

Tahorakuri sedimentary succession

7.0

3.6

6.2

2.3

6.9

3.5

4.8

2.5

Tahorakuri quartz-rhyolite

1.6

6.9

4.1

4.1

Tahorakuri pyroclastic succession

25

11

17

23

38

16

28

12

Tahorakuri volcaniclastic andesite breccia

1.3

0.54

2.5

1.0

Tahorakuri volcaniclastic andesite breccia

3.3

1.3

Porphyritic microdiorite–diorite

3.9

1.4

Quartz-bearing diorite

5.8

2.1

Tonalite

11

4.5