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Ancient lowlands on Mars
Abstract
Mars Orbiter Laser Altimeter (MOLA) data provide compelling evidence that the martian lowlands, below the smooth and sparsely cratered northern plains, are extremely old, far older than the plains which cover them. The evidence is in the form of a very large population of “Quasi‐Circular Depressions” (QCDs), many of which are very evident in the MOLA elevation data but generally not visible in available imagery. We interpret these “invisible” QCDs to be buried impact basins. Cumulative number versus diameter curves for lowland QCDs suggests the buried lowland surface is older than the visible highland surface and that the lowland plains are a relatively thin (1–2 km) veneer overlying this much older surface. We conclude that the martian lowlands have been low and stable for nearly all of martian history.
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Citations
Cited by
Composition of the Continental Crust
Rudnick, R. L., & Gao, S. (2014) · Treatise on Geochemistry · doi:10.1016/b978-0-08-095975-7.00301-6 · Cited by 5,691
Composition of the Continental Crust
Rudnick, R. L., & Gao, S. (2003) · Treatise on Geochemistry · doi:10.1016/b0-08-043751-6/03016-4 · Cited by 3,413
The Lunar Orbiter Laser Altimeter Investigation on the Lunar Reconnaissance Orbiter Mission
Smith, D. E., Zuber, M. T., Jackson, G. B., Cavanaugh, J. F., Neumann, G. A., Riris, H., Sun, X., Zellar, R. S., Coltharp, C., Connelly, J., et al. (2010) · Space Science Reviews · doi:10.1007/s11214-009-9512-y · Cited by 515
Geologic map of the northern plains of Mars
Tanaka, K. L., Skinner, J. A., & Hare, T. M. (2005) · Scientific Investigations Map · doi:10.3133/sim2888 · Cited by 362
EARLY CRUSTAL EVOLUTION OF MARS
Nimmo, F., & Tanaka, K. (2005) · Annual Review of Earth and Planetary Sciences · doi:10.1146/annurev.earth.33.092203.122637 · Cited by 342
Metadata
- Authors
- Frey, H. V., Roark, J. H., Shockey, K. M., Frey, E. L., & Sakimoto, S. E. H.
- Venue
- Geophysical Research Letters
- Publisher
- American Geophysical Union (AGU)
- Published
- 2002-05-15
- Volume
- 29
- Issue
- 10
- ISSN
- 0094-8276 (ISSN-L)
- 1944-8007
- OpenAlex
- W1614526441
- Cited by
- 307
- References
- 0
- FWCI
- 10.79
- Type
- journal article
- Language
- en
- Open access
- closed
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- Frey, H. V., Roark, J. H., Shockey, K. M., Frey, E. L., & Sakimoto, S. E. H. (2002). Ancient lowlands on Mars. Geophysical Research Letters. https://doi.org/10.1029/2001gl013832
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