Table 7. Permeability values from air-injection testing in borehole NAD-GTB#1a (These tests were done when the northern access drift face was located at 134.4 m from the ESF)
[Permeability values are x 10-12 meter squared]Depth |
Structural |
Permeability |
|
1.9-2.9 |
Hanging Wall |
0.1 |
2.8-3.8 |
Hanging Wall |
0.6 |
6.5-7.5 |
Hanging Wall |
0.1 |
8.3-9.3 |
Hanging Wall |
2.5 |
13.2-14.2 |
Hanging Wall |
2.3 |
15.0-16.0 |
Hanging Wall |
11.1 |
15.8-16.8 |
Hanging Wall |
8.5 |
17.4-18.4 |
Brecciated Zone |
10.5 |
18.7-19.7 |
Footwall |
2.1 |
19.6-20.6 |
Footwall |
1.3 |
21.1-22.1 |
Footwall |
0.5 |
22.3-23.2 |
Footwall |
0.2 |
8.7-20.7 |
Hanging Wall- Brecciated Zone-Footwall |
5.7 |