Curiosity Uncovers Crunchy Nodules Among Martian Boxwork

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Source: Gizmodo
Curiosity Uncovers Crunchy Nodules Among Martian Boxwork
Photo: Gizmodo
TL;DR Summary

NASA’s Curiosity rover examined boxwork formations on Mount Sharp and found mineral nodules along ridge walls and hollows, formed by ancient groundwater as water flowed through rock cracks. The nodules, plus the height of the groundwater that cemented the ridges, suggest groundwater persisted longer than expected, potentially extending the window for past habitability and microbial life on Mars.

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