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View looking east toward Mission Peak from near the trailhead for Mission Peak Regional Park on Stanford Avenue in Fremont. The upland part of the eastern flank of Mission Peak is a steep hogback ridge of Briones Sandstone, a soft Miocene-age marine sandstone that is partly responsible for the formation of landslides on the mountainsides above Fremont. The Mission Fault, part of the regional system of faults that include the Hayward and Calaveras faults, crosses through the valley at the base of the steep cliff below the peak. |
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