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Swiss Journal of Geosciences
Fig. 10 | Swiss Journal of Geosciences

Fig. 10

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

Fig. 10

Temperatures derived from the Mg–K-geothermometer vs. sampling time (days after first sample). First water sample was taken 11th Dec. 2006. Ideal solid-solution of the endmember components in K-feldspar (95 mol%), white mica (95 mol%) and chlorite (50 mol%) (Eq. 8). For complete alteration assemblage see Table 3

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