1. Constraints on Mantle Composition from 1D Earth Models 2007 Vlab/EGC Workshop ESS Building SUNY Stony Brook Stony Brook, NY 11794 Baosheng Li Supported by National Science Foundation

2. Structure of the Earth Upper mantle and Transition Zone: Low velocity zone, discontinuities; Lower Mantle: Phase transition at D” PREM Dziewonski and Anderson (1981) MantleOCIC

3. (Ringwood, 1975) Mineralogy and Chemical Composition Models of the Mantle

4. Thermoelasticity for mantle minerals/phases Mineral Assemblage in the mantle Adiabatically or isothermally raise pressure to deeper depths Mixing of all phases (VRH, HS, etc) Constraints on the Earth’s Interior: Forward Modelling

5. Bass and Anderson (1984) Composition: Pyrolite and Piclogite

6. Bass and Anderson (1984) Blue: Piclogite ; Red: Pyrolite

8. Comparison of the P and S wave velocities for olivine and wadsleyite at 410 km depth W. Liu, J. Kung and B. Li (GRL,2005) Duffy and Anderson (JGR, 1989)

9. Thermoelasticity of Mantle Minerals Stixrude and Lithgow-Bertelloni (2005)

10. Velocity of Mantle Minerals at Mantle Depths B. Li and R. C. Liebermann (PNAS, 2007)

11. Phase Fraction of Pyrolite in the Mantle Stixrude and Lithgow-Bertelloni (2005)

12. Phase Assemblage of Piclogite in the Mantle Stixrude and Lithgow-Bertelloni (G J I, 2005)

13. B. Li and R. C. Liebermann (PNAS, 2007)

14. Ita and Stixrude (1992) PREM Pyrolite Piclogite Blue: 1500K Red: 1600K Stixrude and Lithgow-Bertelloni (2005)

15. Comparison of Pyrolite with 1-D PREM/AK135 Simultaneous Vp, Vs,  comparison for tight constraints B. Li and J. Zhang (PEPI, 2005) See also Zhao&Anderson (1994), Jackson (1998) Hamma and Anderson (2002); Stacey(1996); Murakami et al(2007)