1. Workshop on Martian Phyllosilicates: Recorders of Aqueous Processes? CNES, Paris, October 21-23, 2008 Welcome to

2. Workshop on Martian Phyllosilicates: Recorders of Aqueous Processes? CNES, Paris, October 21-23, 2008 Welcome to on behalf of J-Pierre Bibring David Bish Janice Bishop Eldar Noe Dobrea Jack Mustard François Poulet Sabine Petit David Beaty

3. Workshop on Martian Phyllosilicates: Recorders of Aqueous Processes? CNES, Paris, October 21-23, 2008 Welcome to Welcome and introduction - agenda talks & discussion - breaks coffee & lunchs -boat ride www: when where who

4. Le Calife, 3 quai Malaquais Le LOUVRE CNES Rue du Pont Neuf Pont Neuf Passerelle des arts

5. Le Calife, 3 quai Malaquais

6. Workshop on Martian Phyllosilicates: Recorders of Aqueous Processes? CNES, Paris, October 21-23, 2008 1. Although the Red planet was long thought to be habitable as seen from the Earth, the early space missions could not find evidence that Mars ever sustained long lasting bodies of liquid water. 2. Things have changed dramatically with the pioneering discovery of hydrated phyllosilicates in ancient terrains by OMEGA/Mars Express, confirmed and extended by CRISM/MRO. A new era

7. Workshop on Martian Phyllosilicates: Recorders of Aqueous Processes? CNES, Paris, October 21-23, 2008 1. Although the Red planet was long thought to be habitable as seen from the Earth, the early space missions could not find evidence that Mars ever sustained long lasting bodies of liquid water. 2. Things have changed dramatically with the pioneering discovery of hydrated phyllosilicates in ancient terrains by OMEGA/Mars Express, confirmed and extended by CRISM/MRO. A new era

8. clay argile глйна arcilla αργιλος argilla ton klei glina argila nióntù AGU, 05/12/2005

9. clay argile глйна arcilla αργιλος argilla ton klei glina nióntù argila AGU, 05/12/2005

10. Workshop on Martian Phyllosilicates: Recorders of Aqueous Processes? CNES, Paris, October 21-23, 2008 3. These findings have the potential to open a new window is Mars History, for Mars to have harbored habitable conditions. The relevant sites are not located where the mere images would lead to go. 4. Does the findings of phyllosilicates in cratered terrains translate a time correlation or indicate that impacts triggered their formation? 5. Did phyllosilicate formed within perennial water? A new era

11. CNES, Paris, October 21-23, 2008 3. These findings have the potential to open a new window is Mars History, for Mars to have harbored habitable conditions. The relevant sites are not located where the mere images would lead to go. 4. Does the findings of phyllosilicates in cratered terrains translate a time correlation or indicate that impacts triggered their formation? 5. Did phyllosilicate formed within perennial water?

14. CNES, Paris, October 21-23, 2008 3. These findings have the potential to open a new window is Mars History, for Mars to have harbored habitable conditions. The relevant sites are not located where the mere images would lead to go. 4. Does the findings of phyllosilicates in cratered terrains translate a time correlation or indicate that impacts triggered their formation? 5. Did phyllosilicate formed within perennial water?

15. CNES, Paris, October 21-23, 2008 3. These findings have the potential to open a new window is Mars History, for Mars to have harbored habitable conditions. The relevant sites are not located where the mere images would lead to go. 4. Did phyllosilicates formed within perennial water? 5. Does the findings of phyllosilicates in cratered terrains translate a time correlation or indicate that impacts triggered their formation?

16. CNES, Paris, October 21-23, 2008 3. These findings have the potential to open a new window is Mars History, for Mars to have harbored habitable conditions. The relevant sites are not located where the mere images would lead to go. 4. Did phyllosilicate formed within perennial water? 5. Does the findings of phyllosilicates in cratered terrains translate a time correlation or indicate that impacts triggered their formation?

17. Workshop on Martian Phyllosilicates: Recorders of Aqueous Processes? CNES, Paris, October 21-23, 2008 6. Beyond the search for extraterrestrial habitable conditions, the Mars Phyllosilicate story constitutes an unique means to enter the first half billion years of planetary evolution, dominated by the heavy bombardment, when plausibly life emerged on the Earth, possibly in similar conditions. What can we learn from the Mars experience? Is the emergence of life a generic process? A new era

18. Workshop on Martian Phyllosilicates: Recorders of Aqueous Processes? CNES, Paris, October 21-23, 2008 7. The Mars missions motto “Follow the water” should become “follow the phyllos” A new era

19. Workshop on Martian Phyllosilicates: Recorders of Aqueous Processes? CNES, Paris, October 21-23, 2008 1. Wrap-up: where and what types of phyllosilicates have been identified at Mars? 2. How these relate to our knowledge from terrestrial studies and experimental results? 3. What does this imply for Martian phyllosilicate formation processes? 4. What record of Mars surface environment? 5. what should we achieve with upcoming missions and lab simulation studies? Objectives

20. Workshop on Martian Phyllosilicates: Recorders of Aqueous Processes? CNES, Paris, October 21-23, 2008 We considered that it was the right time for Mars scientists, terrestrial clay experts, extraterrestrial matter (meteoritic) specialists, among many other relevant communities to hear from each other, merge their experience, and envision joined activities both in space and in the lab. What do the Martian phyllosilicates tell us? Objectives