Did this Mars rock once lie along an ancient lakeshore?

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Did this Mars rock once lie along an ancient lakeshore?

View larger. | Here’s the Mars rock known as Bunsen Peak. The white hole on the left is the drill hole, left by NASA’s Perseverance rover. The white hole on the right is where the rover first abraded or rubbed the rock. This rock is rich in carbonate and silica. Those are clues it was once drenched in water. Mission scientists said it likely originated on an ancient lakeshore beach. If so, it’d be ideal for preserving traces of microscopic Marti…