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Project Reports

• Building a Habitable Planet: The Geological Record

  Research was conducted on Archean U-Pb geochronology, basalt trace-element geochemistry, hydrocarbon biomarker geochemistry, sulfur isotopic fractionation, microfossil recognition, and Paleoproterozoic hydrocarbon preservation in fluid inclusions.

  ROADMAP OBJECTIVES: 5.0 11.0 12.0

• Evolution of Atmospheric O2, Climate, and Biosphere – James F. Kasting

  ROADMAP OBJECTIVES: 12.0 13.0

• Benner – Self-Reproducing Molecular Systems and Darwinian Chemistry

  ROADMAP OBJECTIVES: 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 12.0 13.0 14.0 16.0 17.0

• The Planetary Context of Biological Evolution: The Proterozoic Oxidiation of the Earth’s Surface

  ROADMAP OBJECTIVES: 5.0 12.0

• Evolution of Atmospheric O2, Climate, and Biosphere – Katherine H. Freeman

  ROADMAP OBJECTIVES: 5.0 12.0

• Biogeochemistry of Earth’s Greenhouse Leading to the Rise of Oxygen

  ROADMAP OBJECTIVES: 1.0 5.0 12.0 13.0 14.0 15.0

• The Planetary Context of Biological Evolution: Neoproterozoic-Cambrian Environmental Change and Evolution

  ROADMAP OBJECTIVES: 4.0 5.0 8.0 12.0 14.0

• The Virtual Planetary Laboratory – Synthesis and Architecture

  ROADMAP OBJECTIVES: 3.0 5.0 11.0 12.0 13.0

• Evolution of Atmospheric O2, Climate, and Biosphere – Hiroshi Ohmoto

  ROADMAP OBJECTIVES: 1.0 2.0 5.0 6.0 7.0 10.0 12.0 14.0 15.0

• Exploration for Life in the Solar System

  ROADMAP OBJECTIVES: 8.0 9.0 12.0

• The Planetary Context of Biological Evolution: Permo-Triassic Mass Extinction and Its Consequences

  ROADMAP OBJECTIVES: 5.0 12.0 14.0

• Secondary Carbonate in Igneous Rocks

  ROADMAP OBJECTIVES: 6.0 8.0 12.0 17.0

• Studies in Planetary Formation and Evolution

  ROADMAP OBJECTIVES: 8.0 9.0 11.0 12.0

• Evolution of Atmospheric O2, Climate and Biosphere – Rosemary C. Capo

  ROADMAP OBJECTIVES: 5.0 11.0 12.0 14.0

• Evolution of Atmospheric O2, Climate, and Biosphere – Brian W. Stewart

  ROADMAP OBJECTIVES: 5.0 8.0 12.0 14.0

• Genomic Evolution and the Tree of Life

  ROADMAP OBJECTIVES: 4.0 5.0 6.0 7.0 12.0

• Laboratory/Observational Studies of Biogenic Greenhouse Gases on the Early Earth

  ROADMAP OBJECTIVES: 5.0 8.0 12.0 13.0

• Connection Between Orbit, Climate and Surface Modification Processes on Mars

  ROADMAP OBJECTIVES: 8.0 12.0

• Celestial Influences on Planetary Environments

  ROADMAP OBJECTIVES: 5.0 12.0 15.0

• Causes and Consequences of the Diversification and Extinction of Metazoans: Neoproterozoic Variations – Michael Arthur

  ROADMAP OBJECTIVES: 5.0 7.0 12.0 14.0

• Biogeochemistry of the Early Earth

  ROADMAP OBJECTIVES: 1.0 5.0 7.0 12.0

• Biological Studies of Hydrothermal Systems

  ROADMAP OBJECTIVES: 1.0 2.0 5.0 6.0 7.0 8.0 9.0 12.0 14.0

• Life Beyond the Planet of Origin

  ROADMAP OBJECTIVES: 5.0 6.0 7.0 8.0 10.0 12.0 14.0 15.0 16.0 17.0

• Fe Isotope Biosignatures

  Our research program in Year 4 has focused on five aspects of Fe isotope geochemistry, and our findings are based on ~1,000 new high-precision Fe isotope analyses using the new NAI-funded MC-ICP-MS lab

  ROADMAP OBJECTIVES: 3.0 5.0 6.0 7.0 8.0 10.0 12.0

• Co-Evolution of Life and Planets

  ROADMAP OBJECTIVES: 4.0 5.0 6.0 7.0 8.0 10.0 12.0 14.0 17.0

• Habitable Planets

  ROADMAP OBJECTIVES: 11.0 12.0

• Habitability of Planetary Bodies

  ROADMAP OBJECTIVES: 5.0 8.0 12.0

• Organic Molecules as Biosignatures

  ROADMAP OBJECTIVES: 6.0 7.0 8.0 12.0

• Plate Tectonics on the Terrestrial Planets

  ROADMAP OBJECTIVES: 5.0 8.0 12.0 15.0

• Giant Impacts in Earth’s Early History: Reseeding the Planet and the Search for Earth Rocks on the Moon.

  ROADMAP OBJECTIVES: 5.0 7.0 10.0 12.0 14.0

• Coevolution of Earth and Mars

  ROADMAP OBJECTIVES: 5.0 8.0 12.0

• Impacts and the Origin, Distribution, and Evolution of Life

  ROADMAP OBJECTIVES: 5.0 12.0 14.0

• Microbe-Mineral Interactions

  ROADMAP OBJECTIVES: 6.0 7.0 12.0

• (S. Blair Hedges) Timescale for the Evolution of Life on Earth: Molecular Evolutionary Approach

  ROADMAP OBJECTIVES: 2.0 4.0 5.0 7.0 8.0 11.0 12.0 14.0

• Evolution of Atmospheric O2, Climate, and Biosphere – Lee Kump

  ROADMAP OBJECTIVES: 5.0 6.0 12.0 14.0