THEMIS: Graben in Sirenum Fossae

Faulting in Sirenum Fossae (THEMIS_IOTD_20181105)THEMIS Image of the Day, November 5, 2018. This VIS image shows a section of Sirenum Fossae. The linear features are called graben, and are a sure sign of tension force in the local crust.

Graben are formed by blocks of material sliding downward between pairs of faults.

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