THEMIS: Tectonics in Sirenum Fossae

Faulting in Sirenum Fossae (THEMIS_IOTD_20170112)THEMIS Image of the Day, January 12, 2017. The linear depressions in this VIS image are graben. Graben are formed from tectonic activity with large blocks of material moving downward between paired faults. The crater in the bottom half of the image is oval rather than round, which could have been due to impacting into this region of tectonic deformation.

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