Evidence, Age, and Thickness of a Frozen Paleolake in Utopia Planitia, Mars
Icarus
By: M. G. Chapman
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Abstract
Recent mapping studies west of Elysium Mons, Mars, have pinpointed subice features that suggest the existence of a frozen paleolake in Utopia Planitia as recently as 1.8 billion years ago. The subice features are interpreted to be hyaloclastic ridges and hills, table mountains, associated jo??kulhlaup deposits, and fluvial channels. Photoclinometric studies of these features and of a basal scarp around the northwest flank of Elysium Mons interpreted to have been an ice-sheet boundary indicate that the maximum thickness of ice within the basin may have been about 180 m. This thickness of ice during a relatively late stage of Martian geologic history would have important implications concerning the atmospheric, the climatic, and possibly the exobiologic history of the planet. ?? 1994 Academic Press. All rights reserved.
Suggested Citation
Chapman, M.G., 1994, Evidence, Age, and Thickness of a Frozen Paleolake in Utopia Planitia, Mars: Icarus, v. 109, no. 2, p. 393-406, https://doi.org/10.1006/icar.1994.1102.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Evidence, Age, and Thickness of a Frozen Paleolake in Utopia Planitia, Mars |
| Series title | Icarus |
| DOI | 10.1006/icar.1994.1102 |
| Volume | 109 |
| Issue | 2 |
| Year Published | 1994 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Icarus |
| First page | 393 |
| Last page | 406 |