Table 1 List of resistive features identified in lines 2, 4, 5 and 7 and their properties.

From: 3D characterisation and quantification of an offshore freshened groundwater system in the Canterbury Bight

Line

Resistive feature

Resistivity of feature (Ωm)

Extent of feature (km)

Depth (bsf) of top of feature (m)

Thickness of feature (m)

Corresponding facies

Notes

2

2a

2

35

0

<50 in NW; 150 m in the SE

A, B, C; shallow and irregular u-shaped depressions infilled with facies E in the NW

 

2b

4

20

50–150

Up to 200

A, B, C, D

 

2c

8

15

50

>200

B, C, E

 

4

4a

>20

37

25–150

>200

B, C, D

Top is parallel to seismic reflectors up to 35 km mark, then it deepens by 50 m

4b

>20

15

25

50

B, C; NW section predominantly corresponds to facies C

 

5

5a

3

17

0–100

>150

B, C, D; W section predominantly corresponds to facies D

 

5b

12

33

0–30

<25

B, C

Resistive feature has an irregular, wavy shape along its top and bottom

5c

2

18

75

150

B, C

 

7

7a

>20

40

~50

>200

B, C

SW boundary corresponds to 120 m vertical offset; top is parallel to seismic reflectors up to 65 km mark

7b

20

10

~10

<25

B, C

 

7c

3

27

50–200

~50

B, C

Interfingers with 7a