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Table 8. Permeability and porosity values from cross-hole air-injection testing using borehole NDR-MF#2 for injection and borehole NDR-MF#1 for monitoring [Permeability values are x 10-12 meter squared; porosity is in parentheses; --, no data; FZ, fault zone; PFZ, partial fault zone, defined as a monitor interval located in the fault zone and footwall]

 Permeability and porosity values from monitor
intervals located in borehole NDR-MF#1
  Hanging wall FZ PFZ Footwall

Test
number

Injection
interval depth
(meters)

Injection
interval
structural unit

1

2

3

4

5

6

7

8

9

10

1

25.9-30.6

Hanging wall

5.1
(.03)

5.9
(.07)

6.3
(.06)

--
--

--
--

--
--

--
--

--
--

--
--

--
--

2

25.9-28.9

Hanging wall

5.4
(.03)

7.0
(.05)

6.5
(.05)

--
--

--
--

--
--

--
--

--
--

--
--

--
--

3

22.8-25.9

Hanging wall

3.8
(.01)

3.7
(.01)

3.3
(.02)

4.7
(.06)

--
--

--
--

--
--

--
--

--
--

--
--

4

21.3-24.3

Hanging wall

2.0
(.01)

1.5
(.01)

1.3
(.01)

1.2
(.06)

--
--

--
--

--
--

--
--

--
--

--
--

5

19.2-22.2

Hanging wall

1.4
(.01)

0.8
(.01)

0.7
(.02)

0.7
(.04)

1.3
(.07)

--
--

--
--

--
--

--
--

--
--

6

15.2-18.3

Fault zone

--
--

--
--

--
--

0.9
(.03)

0.7
(.02)

9.2
(.15)

18.1
(.17)

--
--

--
--

--
--

7

11.6-14.6

Partial fault zone

--
--

--
--

--
--

--
--

13.2
(.14)

5.1
(.05)

9.4
(.11)

17.2
(.18)

--
--

--
--

8

8.8-11.9

Footwall

--
--

--
--

--
--

--
--

--
--

9.3
(.05)

9.4
(.06)

12.0
(.04)

10.7
(.03)

10.8
(.02)

9

5.2-8.2

Footwall

--
--

--
--

--
--

--
--

--
--

14.4
(.06)

1.1
(.02)

6.2
(.05)

5.1
(.05)

6.4
(.05)

10

3.7-6.7

Footwall

--
--

--
--

--
--

--
--

--
--

10.5
(.04)

6.7
(.03)

5.4
(.04)

4.3
(.05)

5.5
(.06)

11

1.5-4.5

Footwall

--
--

--
--

--
--

--
--

--
--

--
--

--
--

9.8
(.05)

6.2
(.03)

8.9
(.05)

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