Rabka has re sources of chlo ride wa ter, cur rently ac ces si ble in nine bore holes with depths from 20 to 1215 m. The wa ters are of the Cl-Na+I+(Fe) type, and in the Rabka IG 2 bore hole of the Cl-Na+I+21°C type, while their to tal dis solved sol ids (TDS) con tents vary between 17.2 and 24.6 g/dm 3 . These ther a peu tic wa ters are as so ci ated with the Carpathian flysch strata of the strongly dis turbed zone of tec tonic con tact be tween the Magura Nappe with the un der ly ing Fore-Magura Group of units. This struc ture is also a trap for hy dro carbons, and so strong meth ane (CH 4 ) em a na tions are pres ent in Rabka both at the sur face and in the bore holes pro vid ing min eral wa ter. The strong tec tonic dis tur bances of the study area con sid er ably hin der the flow of un der ground wa ter, ex tend the wa ter re sis tance time at the wa ter-rock con tact and sig nif i cantly limit the pos si bil ity of wa ter ex change within the wa ter-bear ing sys tem. Such con di tions of hin dered flow and lim ited wa ter ex change con trol the unique chem i cal com po si tion of the chlo ride wa ter at Rabka. The com po nents dis solved in these wa ters orig i nate from the pri mary synsedimentary wa ter (eli sion stage) ac cu mu lated in the rock ma trix, from which they fil ter into the flow of wa ter (in fil tra tion stage) of var i ous gen e ses, i.e., palaeoinfiltration, in fil tra tion and de hy dra tion, mov ing through the water-bear ing sys tem of the min eral wa ter of Rabka. Mod el ling with the Geo chem ist's Work bench Stan dard 8.0 pro gram has dem on strated the pro posed or i gin of the min eral wa ter in Rabka.
Lucyna Rajchel and Mariusz Czop, Fac ulty of Ge ol ogy, Geo phys ics and En vi ron ment Pro tec tion, AGH Uni ver sity of Sci ence and Technol ogy,