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What research is carried out
in the rock laboratory?

Research is separated into individual experiments. The following categories are distinguished:

The experiments in the rock laboratory provide a significant body of knowledge about the feasibility and safety of deep geological disposal.

Why clay for a deep
geological disposal facility?

Argillaceous rock is suitable as a geological barrier for the long-term containment of radioactive waste. The three most important characteristics are:

  • Retention of radionuclides on the clay mineral surfaces,
  • Very low permeability (no transport of radionuclides with flowing water), and
  • The ability to self-seal cracks and fissures by swelling.

Can the rock laboratory
be converted into a deep
geological repository?

No, this is not possible. The rock laboratory is exclusively for research purposes. There can be no question of disposing of radioactive waste here. This is part of the contractual arrangement with the Canton of Jura.

Our Partners

National and international organisations which make up the Mont Terri Consortium

Last updated: 17.10.2011

20 years Mont Terri Project

The Mont Terri Rock Laboratory is an international research facility under the direction of swisstopo. It makes an important contribution to nuclear waste management in Switzerland and throughout the world. In 2016, we celebrate the 20th anniversary of its existence.

New partner

Since July 2015, the Mont Terri Consortium has a new partner in the organization.
FANC, the federal agency for nuclear control will participate in various experiments.

The Mont Terri project

The Mont Terri Project is an international research project for the hydrogeological, geochemical and geotechnical characterisation of a clay formation (Opalinus Clay).

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