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The Transition from Complex Crater to Peak-Ring Basin on the Moon: New Observations from the Lunar Orbiter Laser Altimeter (LOLA) Instrument
| Content Provider | Semantic Scholar |
|---|---|
| Author | Baker, David M. H. Head, James W. Fassett, Caleb I. Kadish, Seth J. Smith, Dave Zuber, Maria T. Neumann, Gregory A. |
| Copyright Year | 2011 |
| Abstract | Impact craters on planetary bodies transition with increasing size from simple, to complex, to peak-ring basins and finally to multi-ring basins. Important to understanding the relationship between complex craters with central peaks and multi-ring basins is the analysis of protobasins (exhibiting a rim crest and interior ring plus a central peak) and peak-ring basins (exhibiting a rim crest and an interior ring). New data have permitted improved portrayal and classification of these transitional features on the Moon. We used new 128 pixel/degree gridded topographic data from the Lunar Orbiter Laser Altimeter (LOLA) instrument onboard the Lunar Reconnaissance Orbiter, combined with image mosaics, to conduct a survey of craters >50 km in diameter on the Moon and to update the existing catalogs of lunar peak-ring basins and protobasins. Our updated catalog includes 17 peak-ring basins (rim-crest diameters range from 207 km to 582 km, geometric mean = 343 km) and 3 protobasins (137–170 km, geometric mean = 157 km). Several basins inferred to be multi-ring basins in prior studies (Apollo, Moscoviense, Grimaldi, Freundlich–Sharonov, Coulomb–Sarton, and Korolev) are now classified as peak-ring basins due to their similarities with lunar peak-ring basin morphologies and absence of definitive topographic ring structures greater than two in number. We also include in our catalog 23 craters exhibiting small ring-like clusters of peaks (50–205 km, geometric mean = 81 km); one (Humboldt) exhibits a rim-crest diameter and an interior morphology that may be uniquely transitional to the process of forming peak rings. A power-law fit to ring diameters (D ring ) and rim-crest diameters (Dr) of peak-ring basins on the |
| Starting Page | 377 |
| Ending Page | 393 |
| Page Count | 17 |
| File Format | PDF HTM / HTML |
| DOI | 10.1016/j.icarus.2011.05.030 |
| Volume Number | 214 |
| Alternate Webpage(s) | http://www.planetary.brown.edu/pdfs/4164.pdf |
| Alternate Webpage(s) | http://www-geodyn.mit.edu/zubersite/pdfs/Baker_214Icarus2011.pdf |
| Alternate Webpage(s) | https://doi.org/10.1016/j.icarus.2011.05.030 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
