Terms and conditions of use

Users of this Website 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.

Personal data protection

When users access this website, certain types of user information, such as internet protocol addresses, software used, time spent on the site, etc., are recorded and saved on the BRGM server. These data do not identify users and will only be used for the purpose of analysing site usage.

If users provide personal data, these will not be published or made available to third parties. BRGM does not sell or make available any such personal data received.

In compliance with the French Data Protection Act n° 78-17 of 6 January 1978, users have the right to access, rectify and delete the data concerning them. Users may exercise this right by contacting BRGM at the following address:

Direction de la Communication et des Editions
3 avenue Claude Guillemin
45060 ORLEANS Cedex 2

Click for contact form

Exemption from registration with the French Data Protection Authority (CNIL)

This Website is exempted from registration with the CNIL, in pursuance of dispense n°7 - Délibération n°2006-138 du 9 mai 2006 décidant de la dispense de déclaration des traitements constitués à des fins d’information ou de communication externe - OJ n° 128 of 3 June 2006.

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.

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

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 so 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.

ISSN (International Standard Serial Number) for BRGM publications

  • BRGM annual report : ISSN 2269-9813
  • Georama magazine : ISSN 2269-9805
  • Geosciences journal : ISSN 2269-9724

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 09.03.2016