Figure 6.
A portion of a geologic traverse map through the Columbia Hills in Gusev crater. The yellow line marks the route of the Spirit rover. For a larger version with a key of geologic units, see Crumpler et al. (2011).
A portion of a geologic traverse map through the Columbia Hills in Gusev crater. The yellow line marks the route of the Spirit rover. For a larger version with a key of geologic units, see Crumpler et al. (2011).