In order to defend your thesis in 3 years, you must meet the following requirements

• Getting trained: at least 5 courses are necessary .
• Attending every year "The graduate student meeting".
• Attending an "International meeting in Geosciences"
• Getting field experience.
• Learning about safety at work.

Both quality and quantity of scientific work achieved during the thesis will be assessed every year by a thesis comity.
The final manuscript must include several articles that have been either published or submitted, or are ready to be submitted. Anyway there must be at least 3 international scientific articles.