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>Map >Satellite To the west of Orland are two low-lying blackish buttes which rise 150 meters (500 feet) above the valley floor and which extend some 10 kilometers (6 miles) in a generally north-south direction. These buttes are a fault uplifted block of Tertiary, probably Miocene though they have been dated from the Upper Eocene to the early Pliocene, basalt resting on Upper Cretaceous sedimentaries and surrounded by late Pliocene nonmarine sediments. The fault lies to the west of the buttes.
Vegetation is grassland, with a scattering of blue oak, Quercus douglasii.
Integrity: The area is grazed.
Use: Private
August 1977
Inventory of California Natural Areas
Revision © 2008 Steven Louis Hartman
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