Kriterienkatalog für die Erfassung tiefreichender Störungen und ihrer geothermischen Nutzbarkeit in Deutschland
Disruptive deformations create deep subsurface faults, which may result in the formation of hydrothermal fluid pathways. Deep-reaching faults are promising targets for geothermal exploration. In Germany, the hydraulic properties of faults are usually not known when geothermal wells are planned. However, there are documented and plausible criteria to assess the geothermal potential of faults in advance. Experience gained from geologic exploration of faults confirms an empirical correlation between fault geometry and the distribution of geothermal resources. Geothermal surveys indicate that damage zones at fault terminations and interfering faults (e.g. relay ramps, crossing faults etc.) could represent favourable settings for exploration in critically stressed areas. Besides fault geometry and stress regime, additional criteria are outlined for the assessment of the geothermal potential of faults.
Keywords: BRUCHSYSTEME; DEEP GROUNDWATER; DEUTSCHLAND; FAULT; FRACTURE SYSTEMS; GEOTHERMAL POTENTIAL; GEOTHERMISCHES POTENZIAL; GERMANY; HOT SPRING; RESERVOIR; SPANNUNGSFELD; STRESS FIELD; STÖRUNG; THERMALQUELLE; TIEFENWÄSSER
Document Type: Research Article
Publication date: June 1, 2017
This article was made available online on May 30, 2017 as a Fast Track article with title: "Kriterienkatalog für die Erfassung tiefreichender Störungen und ihrer geothermischen Nutzbarkeit in Deutschland".
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