Geologic map of the MC-23 NW quadrangle on Mars

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Geologic map of the MC-23 NW quadrangle on Mars

Geologic map of the MC-23 NW quadrangle on Mars, highlighting MFF units in solid colors. The landing site targeted for the Mars Science Laboratory (Curiosity) rover is shown inside Gale crater, at center left. The new mapping reveals MFF materials much closer to Gale crater than had been previously recognized.

This image illustrates a paper by Smithsonian scientists James R. Zimbelman and Stephen P. Scheidt, "Hesperian age for western Medusae Fossae Formation, Mars" scheduled for publication in the June 29 issue of the journal Science.