Titlebook: Hydrogeology of Crystalline Rocks; Ingrid Stober,Kurt Bucher Book 2000 Springer Science+Business Media Dordrecht 2000 Geoinformationssyste

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Occurrence and origin of Cl-rich amphibole and biotite in the Earth’s crust — implications for fluidp to about 6 wt%, while the most Cl-enriched biotite contains about 7 wt% Cl. For the individual occurrences of amphibole and biotite, systematic compositional variations, correlated to the Cl-contents of the minerals can be observed. It is argued that these variations were governed by variations in

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The Hydrogen Driven Intra-Terrestrial Biosphere and Its Influence on the Hydrochemical Conditions inncluding granitic rock aquifers at depths ranging down to 1240 m (Pedersen 1997a). Documentation of . activity of microbial populations in deep granitic rock groundwaters suggests that the microbes present are active at low, but significant levels (Ekendahl and Pedersen 1994, Pedersen and Ekendahl 1