Possible fossil H2O liquid-ice interfaces in the Martian crust
The extensive chaotic and fretted terrains in the equatorial regions of Mars are explained on the basis of the vertical distribution of H2O liquid and ice which once existed in the crust. This account assumes that below the permafrost containing water ice, there was a second zone in which liquid wat...
| Main Authors: | , |
|---|---|
| Format: | Other/Unknown Material |
| Language: | unknown |
| Published: |
1978
|
| Subjects: | |
| Online Access: | http://ntrs.nasa.gov/search.jsp?R=19780055834 |
| Summary: | The extensive chaotic and fretted terrains in the equatorial regions of Mars are explained on the basis of the vertical distribution of H2O liquid and ice which once existed in the crust. This account assumes that below the permafrost containing water ice, there was a second zone in which liquid water resided for at least a time. Diagenetic alteration and cementation characterized the material in the subpermafrost zone; above, pristine fragmented material with various ice concentrations was found. Later, the ice-laden zone was stripped away by a number of erosional processes, exposing the former ice-liquid water interface. |
|---|