Potential High Priority Subaerial Environments for Mars Sample Return [STUB]
2018
Subaerial environments of interest for Mars Sample
Return include surface or near-surface sites not covered
by a body of water, but having direct access to water from
precipitation, snow melt, or ambient-temperature groundwater [1]. This includes soils, wetlands, ephemeral ponds,
cold springs, and periglacial/glacial environments, with
paleosol profiles as a high priority collection site. Such
soils can be topped by aqueously deposited sediments and
precipitates from wetlands, ephemeral ponds, and springs.
The composition and morphology of paleosols preserve
evidence of past climate, aqueous conditions, and life.
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