MER-A.Western Hemisphere, Valles Marineris
| Site ID | A=MER-A, B=MER-B |
| Latitude | ±0.2° |
| Longitude | ±0.2° |
| Elevation | Relative to MOLA geoid |
| Geologic Unit | Scott & Tanaka [1986]; Greeley & Guest [1987] |
| Site ID |
Latitude (°N, °S) |
Longitude (°W) |
Elevation (Km) |
Geological Unit |
|---|---|---|---|---|
| VM35A | 9.4S | 34.5 | -5.0 | Hch |
| VM36A | 10.2S | 36.6 | -4.5 | Hch |
| VM37A | 11.1S | 37.9 | -4.0 | Hch |
| VM38A | 8.2S | 40.5 | -3.5 | Hch |
| VM39A | 12.8S | 40.0 | -3.5 | Hch |
| VM40A | 8.8S | 42.9 | -3.5 | Hch |
| **VM41A | 14.0S | 42. | -4.0 | Hch |
| VM42A | 7.7S | 50.7 | -4.5 | Avf |
| VM43A | 13.9S | 57.5 | -5.5 | Avf |
| VM44A | 13.1S | 62.5 | -4.5 | Avf |
| VM45A | 12.0S | 67.7 | -4.5 | Avf |
| VM46A | 13.6S | 70.6 | -3.5 | Avf |
| VM47A | 6.2S | 70.1 | -5.0 | Avf |
| VM48A | 7.1S | 72.5 | -5.0 | Avf |
| VM49A | 9.2S | 73.5 | -4.0 | Avf |
| VM50A | 9.7S | 73.8 | -3.5 | Avf |
| VM51A | 10.1S | 73.0 | -3.5 | Avf |
| VM52A | 10.5S | 72.5 | -3.5 | Avf |
| **VM53A | 8.8S | 77.7 | -3.5 | Avf |