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Table 5 Summary of the results from the chemical analyses of the formation fluid sampled from the DGE-1 crystalline basement section between 3198 and 3701.8 m

From: Evaluation of the Lund deep geothermal exploration project in the Romeleåsen Fault Zone, South Sweden: a case study

Bench analysis

Electrical cond., mS/cm

174

pH

6.6

Chloride, Cl, mg/l

120,000

HCO3, mg/l

54

SO4, mg/l

220

Results from ICP analysis

Element

mg/l

Element

mg/l

Calcium, Ca

42,000

Cadmium, Cd

0.0012

Magnesium, Mg

87

Cerium, Ce

0.00007

Sodium, Na

30,000

Cesium, Cs

1.4

Potassium, K

880

Gallium, Ga

0.014

Strontium, Sr

595

Lanthanum, La

0.00022

Lithium, Li

5.4

Mercury, Hg

0.023

Iron, Fe

0.53

Molybdenum, Mo

0.0047

Aluminum, Al

0.032

Nickel, Ni

0.1

Manganese, Mn

18

Rhenium, Re

0.00012

Bromide, Br

38

Rubidium, Rb

6.3

Barium, Ba

15

Silicon, Si

0.55

Boron, B

5.1

Silver, Ag

0.00006

Chromium, Cr

0.0015

Sulfur, S

72

Cobalt, Co

0.0054

Thallium, Tl

0.140

Copper, Cu

0.120

Tin, Sn

0.0021

Iodine, I

7.9

Uranium, U

0.00013

Lead, Pb

0.004

Zinc, Zn

0.16

Lithium, Li

5.4

Zirconium, Zr

0.0009

Antimony, Sb

0.0062