Metamorphism water-rock interaction

Morrill C, Koch PL (2002) Elevation or alteration Evaluation of isotopic constraints on paleoaltitudes surrounding the Eocene Green River Basin. Geology 30 151-154 Morrison J (1994) Meteoric water-rock interaction in the lower plate of the Whipple Mountain metamorphic core complex, California. J Metam Geol 12 827-840... 

Woldemichael S. (1998) Stable isotope studies of calcite from very-low grade metamorphic GreywackeTerranesofthe North Island, New Zealand. In Proc. 9th Int Symp. Water-Rock Interaction (eds. G. B. Arehart and J. R. Hulston), pp. 429-432. Balkema, Rotterdam. 

Samples from Dartmoor are, however, notably enriched in Li, Sn and B in comparison with those from Cairngorm, as is indicated by Li/Sr, Sn/Zr, B/Si and B/Ga paired-element plots. It is suggested that this may be due to widespread pervasive high-temperature metamorphic and formational water-rock interaction, which probably occurred prior to vein-type mineralization (see also fluid inclusion evidence of Rankin and Alderton ). 

Rock-forming minerals compose the bulk of enclosing rocks or deposits. They may be igneous, metamorphic, sedimentary and chemical. On interaction with ground water these minerals, as a rule, are irreversibly destroyed. Their participation in mass transfer with water depends on their individual specific surface S. 

Sn-U-type mildly alkaline granite a study be made of element pair diagrams—first, for element distributions mainly controlled by magmatic processes, such as Sr, Rb, K, Ba, Zr and U and, second, for Li, Sn and B (i.e. Li/Sr, Sn/Zr, B/Si or B/Ga), which record the pervasive metamorphic rock-water interaction event(s). 

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