ELSI	  4th	  international	
  symposium	  “Three	
  experiments	  in	  biological	  origins:	  early	  Earth,	  Venus	  and	  Mars”	  	  -­‐	  Program	  of	  oral	  presentations-­‐	  14:00 - 14:1514:15 - 15:0015:00 - 15:4515:45 - 16:3016:30 - 16:3516:35 - 18:30
19:00 – 20:30

09:00 - 09:4009:40 - 10:2010:20 - 10:5010:50 - 11:3011:30 - 12:0012:00 - 13:3013:30 - 14:1014:10 - 14:5014:50 - 15:2015:20 - 16:0016:00 - 16:4016:40 - 17:1017:10 - 18:30	  Introductory day (Tue 12th)Kei Hirose, George Helffrich (ELSI, Japan)Welcome and IntroductionShigeru Ida (ELSI, Japan)Introduction to day 1 topics: Planet formation and volatile delivery to terrestrial planetsDave Stevenson (Caltech, USA)Introduction to day 2 topics: The Nature of PlanetsNorm Sleep (Stanford, USA)Introduction to day 3 topics: Disequilibria and the requirements for (successful) pre-bioticchemistryInstructions to poster presentersCoffee and poster viewingPublic lecture: “Does water define a planet's habitability?”Victoria Meadows (University of Washington/NASA Astrobiology Institute)Tomohiro Usui (Tokyo Tech)Day 1 (Wed 13th) - The Formation of Venus, Earth and MarsColette Salyk (Vassar College, USA)Chemistry in terrestrial planet forming regions of protoplanetary disksHal Levison (SwRI, USA)The Formation of Terrestrial Planets from the Direct Accretion of PebblesCoffeeFrancis Albarede (ENS Lyon, France)Volatility scale, gravitational escape, and abundance of water and volatiles in the Moon andEarthQ&A and discussionDiscussion leaders: Shigeru IdaLunchBernard Marty (CRPG Nancy, France)Origins and timing of volatile elements on Earth and Mars in view of the results of the
Rosetta missionHidenori Genda (ELSI, Japan)Giant impacts and early evolution of terrestrial planetsCoffeeKosuke Kurosawa (Chiba Tech, Japan)An atmospheric response against from impact bombardments on Earth and Venus: The roleof impact ejectaPatrick McGovern (LPI, USA)The Martian Crustal Dichotomy: an Ancient and Fundamental FeatureQ&A and discussionDiscussion leaders: Steve Mojzsis
Poster viewing1	  09:00 - 09:4009:40 - 10:2010:20 - 10:5010:50 - 11:3011:30 - 12:0012:00 - 13:3013:30 - 14:1014:10 - 14:5014:50 - 15:2015:20 - 16:0016:00 - 17:15
17:15 - 18:30

09:00 - 09:4009:40 - 10:2010:20 - 10:5010:50 - 11:3011:30 - 12:0012:00 - 13:3013:30 - 14:1014:10 - 14:5014:50 - 15:20
15:20 - 18:00Day 2 (Thu 14th) - Planets as Integrated SystemsVictoria Meadows (U Washington, USA)Exoplanets: A New Era of Comparative PlanetologyYuk Yung (Caltech, USA)Chemistry of the Atmospheres of Planets and ExoplanetsCoffeeCaroline Dorn (U Bern, Switzerland)Interiors of low-mass exoplanets: what can we learn from observations?
Q&A and discussionDiscussion leaders: Dave StevensonLunchDavid Catling (U Washington, USA)Planetary atmospheres, biospheres, and chemical disequilibriumAxel Kleidon (MPI Jena, Germany)What can thermodynamics tell us about the functioning of the Earth system, its habitability,and its evolution?
CoffeeRoger Buick (U Washington, USA)Evolution of Earth's biogeochemical nitrogen cycle: an example of an integrated systeminfluencing planetary habitabilityQ&A and discussion
Poster viewingDay 3 (Fri 15th) - Starting Conditions and Requirements for Prebiotic ChemistrySteve Vance (JPL, USA)Atmosphere disequilibration in different planetary contextsYuichiro Ueno (ELSI, Japan)Disequilibrium of prebiotic atmosphere: C-H-O systems and role of waterCoffeeEverett Shock (ASU, USA)Geologic Sources of Chemical Disequilibria on Terrestrial PlanetsQ&A and discussionDiscussion leaders: Jim CleavesLunchWolfgang Nitschke (IMM/BIP, France)From thermodynamic disequilibria in alkaline hydrothermal vents to dissipative structuresgiving birth to lifeJoseph L. Kirschvink (Caltech-JPL/ELSI, Japan)Are we really from Tharsis? An analysis of the electrochemical environment of earlyMartian high-altitude glaciers during late Naochian timeCoffeeWrapup discussion "Why?"Discussion leaders: Eric Smith & Steve Mojzsis

2	  -­‐	  Program	  of	  poster	  presentation	  -­‐	  	  	  	  Session A - Planetary structure and evolutionA-1High-Resolution Global N-body Simulation of Planetary Formation: OutwardMigration of a Protoplanet
Junko KominamiA-2Dynamical mixing of the Earth’s core by a giant impact
Miki NakajimaA-3Early inner core formation in terrestrial planetsGeorge HelffrichA-4Crystallization of SiO2 in Earth's core: The new core paradox on early geodynamoand its solutionKei HiroseA-5Critical Review: Is Earth's Outer Core Liquid or a High Density Plasma?
Daniel HelmanA-6Liquid Iron Alloys with Hydrogen at Outer Core Conditions by First PrinciplesKoichiro UmemotoA-7Discovery of new iron oxide Fe7O9 and its solid solution, (Mg,Fe2+)3Fe3+4O9Ryosuke ShinmyoA-8Core-mantle equilibrium temperature of the EarthHiroki IchikawaA-9Direct sound velocity measurements of pyrolite across the mantle transition region
Steeve GreauxA-10The rheological structure and formation of plate boundaries on early Mars
Shintaro AzumaA-11Geodynamically driven temporal & local formation of hydrogen and complexhydrocarbonsVlada StamenkovićA-12Water, melt, and surface-interior connections: Implications for Venusian tectonicsVlada StamenkovićA-13Influence of temperature-dependent tidal dissipation on lunar crust formationMatthieu LaneuvilleA-14True continental growth curve and fate of the continental crust
Hikaru SawadaSession B - Early environments and habitability	  B-1Constraints on early Mars atmospheric pressure inferred from nitrogen and argonisotopesHiroyuki KurokawaB-2Possibility of aerobic environments on early MarsLewis WardB-3Was Venus the first habitable world of our solar system?
Michael Way3	  B-4Pulling back the veil: The habitability and characterization of hazy worldsGiada Nicole ArneyB-5In-situ iron isotope analysis of pyrite and organic carbon/nitrogen isotope ratios fromthe Middle Proterozoic sediments, McArthur Basin, Northern Australia
Kazumi YoshiyaSession C - Prebiotic chemistryC-1Quantifying impactor delivery of amino acids during the timespan relevant toemergence of lifeElizabeth BaileyC-2Mineral and Organic Compound Interactions at the Emergence of Life: Magnetite'sEffect on Carboxylic AcidsKristin Nicole JohnsonC-3Abiogenic synthesis of hydrocarbons revealed by position-specific isotope analysis
Alexis GilbertC-4Electrochemically-driven carbon fixation
Norio KitadaiSession D - Origins of life	  D-1Signature of Life in isotopic distributions of C, H, N and O
Roman ZubarevD-2Restoration of an ancestral form of the reductive TCA cycle as a primitive carbonfixation pathwayMasafumi KameyaD-3Virus exploration in extreme environments provides insights for the RNA worldtheory, and possible alternative genotypes — the first hyperthermophilic singlestranded DNA virus —Tomohiro Mochizuki4