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The Carrizo Plain is described as the "best place" to observe geomorphic features along the San Andreas fault. This graphic, modified from Vedder and Wallace, 1970, illustrates many of the features observable in the park. Note that a "shear zone" is a simply a complex fault (or fault zone). Beheaded stream are are offset streams where the upstream channel has found a new draing route. A shutter ridge is a hill that blocks an offset stream (it may be a linear ridge). |
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