Project: Detection of the fresh/salt water boundary up to 200 m depth by means of geoelectrical and electromagnetic investigations.

Client: State Office for Mining, Geology and Raw Materials; Cottbus

Contractor: Brandenburg University of Technology Cottbus-Senftenberg; Chair of Raw Materials and Resource Management; Prof. Dr. R. Herd

Objective:
Quaternary freshwater reservoirs are used in Brandenburg to secure the drinking water supply for the population. These are separated from the deeper lying saltwater reservoir by the Lower Oligocene Rupton. As a result of the melting inland ice masses, deep-reaching channel systems developed in the Pleistocene, which reduced the ruptone barrier and in some cases eroded it completely. When corresponding pressure gradients occur, a migration of saline deep waters takes place across these faults into the freshwater reservoirs with corresponding consequences for their use.

Within the framework of the project, the depth position and spatial distribution of the fresh/saline water boundary in a study area west of Müllrose was to be explored. For this purpose geoelectrical and electromagnetic methods were used along several profiles.