Sedimentary microphase

Main lithologies

Porosity (%)

Permeability (10−3 μm2)

interval value

average value

interval value

average value

Underwater diversion channel

Gray fine sandstone

6.87 - 17.22

11.83

0.19 - 41.94

1.34

Estuary dam

Pulverized sandstone

3.45 - 15.08

10.88

0.086 - 10.02

1.17

Underwater Natural dike

Siltstone

1.26 - 10.16

7.24

0.05 - 2.03

0.54