Fault scarp on the Abert Rim A fault scarp is the exposed plane of a fault that has moved up in resp

Fault scarp on the Abert RimA fault scarp is the exposed plane of a fault that has moved up in respect to the surrounding rock, they can be formed by any type of faulting. This produces a step in the topography that can be cm’s to m’s to km’s in height (for example the normal fault exposed in the Andes). The image below was taken in south central Oregon, USA, of the Abert Rim. The rim is the tip of one of several tilted blocks in a 30mile long extensional range that formed in the late Miocene (~8.9-7.5Ma), stretching east-west across Oregon. These blocks are bound by normal faults, as these normal faults move (at a rate of 1-2cm’s per year) the blocks are slowly being rotated, this creates a basin range topography (see link below for more information) forming deep valleys and high mountains in a series of ups and downs across the landscape.POLReferenceshttp://bit.ly/1NE5I6mhttp://bit.ly/1lqrVYHPaper on the structural development of the Abert rim fault http://bit.ly/1Ssme7lImagehttp://bit.ly/1XCKuoE -- source link

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