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Terms and conditions of use

Users of this web site agree to the general conditions of use set out below. BRGM reserves the right to amend these provisions at any time and without prior notice.

Applicable law

This website is governed by French law. Users from other countries formally agree to the application of French laws when they visit this website and when they use any of the website’s functions.

See also legal information / Credits.

Use of the website

This website is reserved for personal use.

Access to the website may be suspended at any time without notice, in particular in cases of force majeure, for maintenance purposes or if BRGM decides to suspend or terminate the service.

The user consults this site at his / her own risk. BRGM does not guarantee the operation or the fact that the server of this site is free from viruses or other elements likely to create damages.

BRGM may not be held liable for any damages due to any dysfunction of the website.

Website content

BRGM makes every possible effort to ensure that the information provided on the website is accurate and up-to-date at the time of uploading to the website. However, BRGM does not in any way guarantee the accuracy, precision or exhaustiveness of the information provided. The information provided on this website is non-contractual and may be amended at any time. BRGM accepts no responsibility for the suitability of the information provided for the particular needs of the user.

Limitation of liability

The use of the information and / or documents provided on this website is under the full and sole responsibility of the user, who accepts responsibility for all the consequences thereof, for which BRGM will not accept liability or any claim for redress.

The data, information, documents and reference material provided on this website are indicative only and must not be considered as equivalent to the delivery of an opinion or expert judgment. More detailed investigation and professional assistance are recommended in every case before making any technical interpretations based on the data and information provided on this website

BRGM may under no circumstances be held liable for any damages of any kind whatsoever resulting from the interpretation or use of the information and/or documentation provided on this website.


This website may contain links to partner or third-party websites. BRGM is not in a position to audit these websites and therefore provides no guarantee as to their compliance with the laws and regulations in force.

The creation by third parties of hypertext links to pages or documents in the BRGM website is authorised provided that:

  • the websites concerned are neither illegal nor immoral,
  • the links do not prejudice the interests of the BRGM,
  • the links ensure that the user is able to identify the source and the author of the document.

Intellectual property

The contents and texts, including press releases, videos, images and animations that appear or are provided in the website are protected under intellectual property law. Users therefore undertake not to copy, translate, reproduce, sell, exploit or disseminate any content from the site without prior written permission from the BRGM.

Questions and comments

Please feel free to send us any questions or comments you have about this website, and to let us know about any errors, omissions, obsolete information or faulty links.

Please send us your comments, together with a copy of the relevant content, by filling in the contact form.

Dernière mise à jour le 04.06.2020