The rock lies within the outcrop near the rover's landing site at Meridiani Planum, Mars.

In the upper right corner of the rock, layers also dip to the right, but exhibit a weak "concave-up" geometry.

These two features—the thin, cross-stratified bedding combined with the possible concave geometry—suggest small ripples with sinuous crest lines.

Although wind can produce ripples, they rarely have sinuous crest lines and never form steep, dipping layers at such a small scale.

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