Geofluids / 2019 / Article / Tab 4

Research Article

A Review of the Hydrochemistry of a Deep Sedimentary Aquifer and Its Consequences for Geothermal Operation: Klaipeda, Lithuania

Table 4

Analyses reported in Table 3, converted to milliequivalents per litre (meq/L) and molar ratios.

Gerber et al.2P wellhead2P filter2PGlasgow 2P stored waterSeawater
Sample date5/10/1231/3/161/4/1619/7/20165/4/17

Major cations
 Na2+meq/L10181057105910741207459
 K+meq/L14.215.815.816.821.09.7
 Ca2+meq/L31837737538139920
 Mg2+meq/L179195195197202104
Major anions
 HCO3-meq/L1.381.401.301.600.802.29
 Cl-meq/L15211594160318532282535
 SO42-meq/L33.436.137.043.932.455.2
Minor elements
 F-meq/L0.020.020.02
 Br-meq/L4.334.454.165.663.250.81
 Li+meq/L0.480.490.460.520.0
 Sr2+meq/L3.263.773.793.860.30
 Na/Cl molar ratio0.670.660.660.580.530.86
 Mg/Ca molar ratio0.560.520.520.520.515.20
 SO4/Cl eq ratio0.0220.0230.0230.0240.0140.103
 Ca/Cl eq ratio0.210.240.230.210.170.04
 Mg/Cl eq ratio0.120.120.120.110.090.19
 Sr/Mg molar ratio0.0180.0190.0190.0200.003
 Sr/Ca molar ratio0.0100.0100.0100.0100.015
 Sum cationsmeq/L15321650164916741836593
 Sum anionsmeq/L15601636164619042331594
 IBE%-1%0%0%-6%-12%0%

IBE = ion balance error.

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