World Geothermal Congress 2020+1
March - October, 2021

Recognizing Geothermal Horizons Inside Crystalline Rocks Using Geophysical Methods, Example of Lądek Zdrój Reservoir, Sudetes Area, Poland


[AGH - University of Science and Technology, Poland]

Hydrogeothermal reservoirs usually occur inside crystalline massifs in Sudetes area, the most frequently as fractured zones accompanying faults. Such conditions demand specific selection of geophysical methods and survey methodologies. Representative for the region is Lądek Zdrój area known since several hundred years as a place of occurrence and use of hot springs. The reservoir occur there in specific geological conditions characteristic for Sudetes area. It is of fracture type and occur in artesian conditions. Development of the Health Resort caused the need of better recognizing of hydrogeothermal reservoir and its geological vicinity. Geophysical surveys were made in the area for this aim. The magnetic, gravity and surface geothermic methods as well as VLF profiling, resistivity profiling and soundings and continuous magnetotelluric profiling were applied. As results of the survey tectonic zones were interpreted and temperature anomalies were discovered and, in limited range, space recognizing of fractured aquifer horizons was made.

        Topic: Exploration Paper Number: 11176

         Session 8P: Poster 2 [Tuesday 11th May 2021, 11:00 pm] (UTC-8)
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