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Underground lab "Reiche Zeche" in Freiberg

The 3D underground seismic lab has a test center in the Research and Education mine Reiche Zeche of the Technical University Bergakademie Freiberg. Test measurements, calibrations and scientific work take place at this location. The undergorund measurements are carried under fixed conditions. In Freiberg the ambient conditions are constant, so that ideal measuring conditions are given. The GFZ underground laboratory comprises a block of gneiss approx. 50 m width and 100 m length. Three-component geophones are installed in boreholes along the surrounding routes. Horizontal and vertical boreholes were created in order to carry out tests for the verification of logging systems. The vertical drilling through the center of the gneiss block enables a three-dimensional recording of the waves emitted by the borehole probes by the geophones installed at the joint of the routes. Two further boreholes were created for the 3D-US Lab, which are used for tests with newly developed seismic borehole geophone chains and an exploration probe based on the SPWD measuring system. More information.

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Wissenschaftliche Ziele und Technologie (D)

Technology and science (Eng)


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