Buried mass anomalies along the hemispheric dichotomy in eastern Mars: Implications for the origin and evolution of the dichotomy

Geophysical Research Letters

Volumn 32, Issue 22, 2005, Pages 1-4

  Kiefer, Walter S ^a  

^a LUNAR AND PLANETARY INSTITUTE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ELASTIC MODULI; ELASTICITY; GRAVITATION; MOON; POISSON RATIO;

CONDUCTIVE COOLING; CONVECTIVE FLOW; GRAVITY OBSERVATIONS; HEMISPHERIC DICHOTOMY; HIGH-DENSITY MATERIAL; LITHOSPHERIC STRUCTURE; TOPOGRAPHY;

GEOPHYSICS;

GRAVITY ANOMALY; IMPACT STRUCTURE; MARS;

EID: 30744475932     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2005GL024260     Document Type: Article

References (22)

1. Bertka, C. M., and Y. Fei (1998), Density profile of an SNC model Martian nterior and the moment-of-inertia factor, Earth Planet. Sci. Lett., 157, 79-88.
2. Frey, H., and R. A. Schultz (1988), Large impact basins and the mega-impact origin for the crustal dichotomy on Mars, Geophys. Res. Lett., 15, 229-232.
3. Frey, H. V., and R. A. Schultz (1990), Speculations on the origin and evolution of the Utopia-Elysium Lowlands of Mars, J. Geophys. Res., 95, 14,203-14,213.
4. Frey, H., S. E. Sakimoto, and J. Roark (1998), The MOLA topographic signature at the crustal dichotomy boundary zone on Mars, Geophys. Res. Lett., 25, 4409-4412.
5. Frey, H. V., J. H. Roark, K. M. Shockey, E. L. Frey, and S. E. H. Sakimoto (2002), Ancient lowlands on Mars, Geophys. Res. Lett., 29(10), 1384, doi:10.1029/2001GL013832.
6. Irwin, R. P., T. R. Watters, A. D. Howard, and J. R. Zimbelman (2004), Sedimentary resurfacing and fretted terrain development along the crustal dichotomy boundary, Aeolis Mensae, Mars, J. Geophys. Res., 109, E0901 1, doi:10.1029/2004JE002248.
7. Kiefer, W. S. (2004), Gravity evidence for an extinct magma chamber beneath Syrtis Major, Mars: A look at the magmatic plumbing system, Earth Planet. Sci. Lett., 222, 349-361.
8. King, S. D., and H. L. Redmond (2005), The crustal dichotomy and edge driven convection: A mechanism for Tharsis Rise volcanism?, Lunar Planet. Sci., 36, abstract 1960.
9. King, S. D., and J. Ritsema (2000), African hot spot volcanism: Small-scale convection in the upper mantle beneath cratons, Science, 290, 1137-1140.
10. Lemoine, F. G., D. E. Smith, D. D. Rowlands, M. T. Zuber, G. A. Neumann, D. S. Chinn, and D. E. Pavlis (2001), An improved solution of the gravity field of Mars from Mars Global Surveyor, J. Geophys. Res., 106, 23,359-23,376.
11. Lenardic, A., F. Nimmo, and L. Moresi (2004), Growth of the hemispheric dichotomy and the cessation of plate tectonics on Mars, J. Geophys. Res., 109, E02003, doi:10.1029/2003JE002172.
12. McGovern, P. J., et al. (2002), Localized gravity/topography admittance and correlation spectra on Mars, J. Geophys. Res., 107(E12), 5136, doi:10.1029/2002JE001854.
13. Neumann, G. A., M. T. Zuber, M. A. Wieczorek, P. J. McGovern, F. G. Lemoine, and D. E. Smith (2004), Crustal structure of Mars from gravity and topography, J. Geophys. Res., 109, E08002, doi:10.1029/2004JE002262.
14. Nimmo, F. (2002), Admittance estimates of mean crustal thickness and density at the Martian hemispheric dichotomy, J. Geophys. Res., 107(E11), 5117, doi:10.1029/2000JE001488.
15. Nimmo, F. (2005), Tectonic consequences of Martian dichotomy modification by lower crustal flow and erosion, Geology, 33, 533-536.
16. Smith, D. E., et al. (2001), Mars Orbiter Laser Altimeter: Experiment summary after the first year of global mapping of Mars, J. Geophys. Res., 106, 23,689-23,722.
17. Smrekar, S. E., G. E. McGill, C. A. Raymond, and A. M. Dimitriou (2004), Geologic evolution of the Martian dichotomy in the Ismenius area of Mars and implications for plains magnetization, J. Geophys. Res., 109, E11002, doi:10.1029/2004JE002260.
18. Turcotte, D. L., R. J. Willemann, W. F. Haxby, and J. Norberry (1981), Role of membrane stresses in the support of planetary topography, J. Geophys. Res., 86, 3951-3959.
19. Watters, T. R. (2003), Lithospheric flexure and the origin of the dichotomy boundary on Mars, Geology, 31, 271-274.
20. Wilhelms, D. E., and S. W. Squyres (1984), The Martian hemispheric dichotomy may be due to a giant impact, Nature, 309, 138-140.
21. Wise, D. U., M. P. Golombek, and G. E. McGill (1979), Tectonic evolution of Mars, J. Geophys. Res., 84, 7934-7939.
22. Zhong, S., and M. T. Zuber (2001), Degree-1 mantle convection and the crustal dichotomy on Mars, Earth Planet. Sci. Lett., 189, 75-84.