Geochemistry

  1. Cosmochemistry and Planetary Formation
    1. Nucleosynthesis: Origin of the Elements
      1. Big Bang Nucleosynthesis
        1. Formation of Light Elements
          1. Evidence from Cosmic Microwave Background
            1. Primordial Abundances
            2. Stellar Nucleosynthesis
              1. Hydrogen Burning
                1. Helium Burning
                  1. Advanced Burning Stages
                    1. Main Sequence Evolution
                    2. Supernova Nucleosynthesis
                      1. r-process and s-process
                        1. Formation of Heavy Elements
                          1. Neutron Star Mergers
                        2. Solar System Composition
                          1. Solar Nebular Chemistry
                            1. Solar Nebula Hypothesis
                              1. Chemical Gradients in the Solar Nebula
                                1. Condensation Temperature Sequence
                                2. Condensation Sequence
                                  1. Temperature-Dependent Condensation
                                    1. Formation of Refractory and Volatile Phases
                                      1. CAIs and Chondrules
                                    2. Meteorites: Clues to Planetary Origins
                                      1. Classification of Meteorites
                                        1. Chondrites
                                          1. Ordinary Chondrites
                                            1. Carbonaceous Chondrites
                                              1. Enstatite Chondrites
                                              2. Achondrites
                                                1. Iron Meteorites
                                                  1. Stony-Iron Meteorites
                                                  2. Chemical and Isotopic Composition of Meteorites
                                                    1. Major Element Composition
                                                      1. Trace Element Patterns
                                                        1. Isotopic Anomalies
                                                          1. Presolar Grains
                                                        2. Formation and Differentiation of the Earth
                                                          1. Accretion and Core Formation
                                                            1. Accretion Processes
                                                              1. Core Segregation Mechanisms
                                                                1. Timing of Core Formation
                                                                2. The Magma Ocean
                                                                  1. Evidence for a Magma Ocean
                                                                    1. Crystallization and Differentiation
                                                                      1. Late Heavy Bombardment
                                                                      2. Bulk Silicate Earth Composition
                                                                        1. Definition and Significance
                                                                          1. Comparison with Chondritic Meteorites
                                                                            1. Volatile Depletion
                                                                            2. Formation of the Crust, Mantle, and Core
                                                                              1. Crust Formation Processes
                                                                                1. Mantle Differentiation
                                                                                  1. Core Composition and Structure

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                                                                              2. Fundamental Principles

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                                                                              4. High-Temperature Geochemistry: The Solid Earth