Geofluids / 2017 / Article / Tab 1

Research Article

Palaeohydrogeology and Transport Parameters Derived from 4He and Cl Profiles in Aquitard Pore Waters in a Large Multilayer Aquifer System, Central Australia

Table 1

Aquitard pore water chemistry, measured aquitard properties, groundwater chemistry in italics, and uranium and thorium concentrations in sediment samples.

FormationDepth
(m)
Elevation (m AHD)Water Level (m AHD)Temperature
°C
Hydraulic conductivity - (m/yr)Density - (g/cm3)Porosity - (% vol)Moisture content
(%)
Thorium (mg/kg)Uranium (mg/kg)4He (ccSTP/)Ne (ccSTP/)Ar (ccSTP/)Cl
(mg/L)
δ2H ( VSMOW)δ18O ( VSMOW)

Bulldog Shale (aquitard)0.00154.00
10.80143.206.31 × 10−31.6558.1048

Upper aquifer (J-aquifer)17.80136.20
34.55119.451.89 × 10+11.8042.80192.320.96
39.00115.00114.9625.21.121.088.70 × 1081.87 × 1072.61 × 1046390−32.2−2.7
46.60107.403.15 × 10−12.4013.305

Stuart Range Formation (aquitard)46.60107.40
47.23106.781.121.086302
48.33105.683.15 × 10−42.2126.0011
48.68105.336053
50.68103.33109.6524.891.17 × 10−61.16 × 10−72.02 × 10−45532
52.23101.786029
53.70100.302.52 × 10−42.2625.0011
55.5898.433.08 × 10−61.34 × 10−72.09 × 10−45416
56.7397.285222
58.6095.406.31 × 10−52.2624.70111.211.23
59.7394.285466
61.1392.885.73 × 10−61.28 × 10−72.11 × 10−45472
62.6391.38108.7324.925237
66.3887.634518
68.0086.005226
68.3085.701.26 × 10−22.3121.9010
69.7384.289.38 × 10−61.24 × 10−72.09 × 10−4
71.2582.756909
73.1580.859.65 × 10−61.70 × 10−61.02 × 10−35658
76.1577.85106.4425.365955
77.3076.701.89 × 10−52.3220.709
78.2075.801.20 × 10−51.59 × 10−72.00 × 10−46142
80.6573.356192
83.1570.856886
84.2069.801.26 × 10−52.3320.4081.75 × 10−51.13 × 10−71.97 × 10−4
85.4568.558008
87.0866.930.792.319173
90.4863.53105.0125.7
90.6063.401.81 × 10−54.29 × 10−61.68 × 10−314439
91.7862.236.31 × 10−52.4912.104
93.1560.8510548
95.2358.7812001
97.3056.702.10 × 10−51.17 × 10−71.83 × 10−415087
99.2554.752.21 × 10−42.2722.3011
99.7354.2814469
102.0851.93103.3325.9614347
103.7350.282.94 × 10−51.11 × 10−71.95 × 10−4
103.8850.132.071.6816564

Lower aquifer (Boorthanna Formation)104.0050.00
106.7347.282.641.76
108.0046.00107.7427.441.58 × 10−42.3120.108.17.99 × 1051.98 × 1072.64 × 10421500−35.8−3.7
138.0016.00