| Soil type | Bulk density | Cohesion | Internal friction angle |
---|---|---|---|---|
(kg/cm3) | (kPa) | (°) | ||
JMSS-1 | Soil simulant | 1450 | 0.33 | 40.6 |
MMS sanda | Soil simulant | 1341–1384 | 0.81–1.96 | 38–39 |
MMS dusta | Dust analog | 911–1078 | 0.38–0.53 | 30–31 |
JSC Mars-1b | Soil simulant | 835 | 1.91 | 47 |
Spirit Roverc | Drift material | 1200–1500 | 1–15 | ~20 |
Opportunity Roverd | Surface soil | ~1300 | 1–5 | ~20 |
Pathfindere | Drift material | 1285–1518 | 0–0.42 | 34.3 |
Pathfindere | Crusty material | 1422–1636 | 0.17 ± 0.18 | 37.0 ± 2.6 |
Viking Lander 1f | Drift material | 1150 ± 150 | 1.6 ± 1.2 | 18.0 ± 2.4 |
Viking Lander 1f | Blocky material | 1600 ± 400 | 5.1 ± 2.7 | 30.8 ± 2.4 |
Viking Lander 2f | Crusty material | 1400 ± 200 | 1.1 ± 0.8 | 34.5 ± 4.7 |