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Bruce Murray Space Image Library
'Marias Pass,' contact zone of two martian rock units
This view from the Mast Camera (Mastcam) on NASA's Curiosity Mars rover shows the "Marias Pass" area where a lower and older geologic unit of mudstone—the pale zone in the center of the image—lies in contact with an overlying geologic unit of sandstone. This scene combines several images taken on sol 992 (May 22, 2015) of Curiosity's work on Mars. The scene is presented with a color adjustment that approximates white balancing, to resemble how the rocks and sand would appear under daytime lighting conditions on Earth.
NASA / JPL-Caltech / MSSS