Seismic Tomography
J.S. Curry, and E.J. Ferry
Louisiana State University, Baton Rouge LA
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down or click on a numeral to take you to a specific part of the list:
| I | II |
| III | IV |
You can click on the
heading in each section to learn more about that topic:
1. What is seismic tomography?
2. How is seismic tomography used?
3. What are the limitations of seismic tomography?
II. Velocity structure in the mantle:
1. Temperatures in the mantle from velocity perturbations.
2. Velocity anisotropy and mantle convection.
III. Application of seismic tomography for solving geologic questions:
1. Applications of seismic tomography to plate tectonics.
a. Isostatic relationships of crust and mantle material.
b. Plate boundaries at subduction zones and spreading ridges.
c.The hot spot theory.
IV. Discussion and conclusion:
1. The possibilities for seismic tomography.
2. Overcoming the limitations.
V. Figures:
1. Figure 1- from Su, Woodward, and Dziewonski, 1994.
2. Figure 2- from Su, Woodward, and Dziewonski, 1994.
3. Figure 3- from van der Lee, and Nolet, 1997.
4. Figure 4- from Grand, van der Hilst, and Widyantoro, 1997.
VI. References:
Fowler, C.M.R.,1992, The Solid Earth, an introduction to global geophyisics. Cambridge University Press.
Grand, S.P., van der Hilst, R.D., Widiyantoro, S.,1997, Global seismic tomography: A snapshot of convection in the earth. GSA Today, V. 7, No. 4, April.
Levi, B.G.,1997, Earth's upper mantle: how low can it flow. Physics Today, August.
Nolet, G.,1987, Seismic Tomography with applications in global seismology and exploration geophysics. D. Reidel Publishing Company.
Sheriff, Robert E. and Lloyd P. Geldart., 1995, Exploration Seismology. Cambridge: Cambridge University Press.