The current integrated understanding of the geology of Northern Switzerland, encompassing the siting regions considered in Stage 3 of the Sectoral Plan, is provided in the Geosynthesis of Northern Switzerland in NTB 24‑17 (Nagra 2024i), and includes information on:

  • the overall geological setting,

  • past geological evolution,

  • the properties of relevant geological elements, including the CRZ, and

  • the expected long-term geological evolution in the future.

The following summary is a short excerpt of the broader information presented in NTB 24‑17 (Nagra 2024i) and supporting materials.