gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1994.58A.2.115 Modelling of Hydrochemical Evolution in Coastal Regression Area in Finland: A Mass Balance Approach Pitkänen P. Technical Research Centre of Finland, P.O.Box 19041, FIN-02044 VTT, Finland Snellman M. Imatran Voima Oy, P.O. Box 112, FIN-01019 IVO, Finland August–September 1994 58A 2 726 727 Copyright © 1994, The Mineralogical Society 1994