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- Plate: Plate 1 (9833 pdf)
- Data Release: USGS data release
- Download citation as: RIS | Dublin Core
Abstract
The area of MC-28 is centered on the east edge of the Hellas Planitia (Hellas basin and surrounding plains) within densely cratered terrain that covers more than half the surface of Mars (Carr, 1973, fig. 1). The deepest part of the basin lies 4-5 km below the surface of the cratered terrain (Hanel and others, 1972). An irregular band of mountain and knobby material about the eastern margin and the basin and broad bands of mantled rough material on the floor of the basin represent ejecta from this very old impact. The vast, gently sloping, featureless eastern and southern part of the Hellas Planitia, shown on the Shaded Relief Map of Mars (U.S.G.S., Atlas of Mars, MM 25M IR, 1972), is probably the result of extensive volcanic flooding from shield volcanoes and from the possible fissures in the northeast part of the quadrangle. Long, flat-floored sinuous channels originate in these volcanic terrains and course into the basin.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Geologic map of the Hellas Quadrangle of Mars |
| Series title | IMAP |
| Series number | 941 |
| DOI | 10.3133/i941 |
| Year Published | 1976 |
| Language | English |
| Description | 1 Plate: 49.00 × 34.00 inches |
| Other Geospatial | Mars |
| Scale | 46000 |
| Google Analytic Metrics | Metrics page |