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Geologic Map
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Generalized Geologic Map of the Conterminous United States
North America Shaded Relief


  The North American Tapestry of Time and Terrain

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Sutter Buttes

  Close-up of
 Sutter Buttes in the north Central Valley
Satellite picture of sutter buttes

Interpreted by geologists as the southernmost volcano in the Cascades, the currently inactive and highly dissected Sutter Buttes show up on the map as a small circular bump that contrasts sharply with its flat surroundings in California's Central Valley. It erupted in the late Tertiary Time, pushing up through the flat-lying young valley sediments.

aerial view of sutter buttes
Aerial view of Sutter Buttes . The image is slightly obscured by smoke from the fire visible at right.
Photo by Timothy Lesle