Swiss Journal of Geosciences

Table 2 Composition of leachate (mg L⁻¹)

From: The deep Basel-1 geothermal well: an attempt assessing the predrilling hydraulic and hydrochemical conditions in the basement of the Upper Rhine Graben

K	28.0	CO₃	22.2
Na	12.3	HCO₃	30.0
Ca	1.5	Cl	5.2
Mg	0.3	SO₄	2.0
Al	1.8	F	1.6
		Br	< 0.02
TDS	105.3	pH	9.89

From 30.105 g rock powder in 200 ml water

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