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plunging anticline, Colorado
Aerial view of faulted plunging anticline, Colorado Front Range. SrD-19
Download ImageRecumbent fold in marble.
Note thickening in hinges, a characteristic of ductile flow. (SrD-17)
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Recumbent syncline (vertical)
Recumbent syncline in Paleozoic limestone. Corkscrew Peak, Death Valley National Park, California. (SrD-11)
Download ImagePlunging anticline, SW Montana (Pan)
Plunging anticline with parasitic folds on limbs, SW Montana. (SrD-05)
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Folded chert, Oregon (vertical)
Folded radiolarian (ribbon) chert in cliff face, Oregon. Photo is about 10 m (30 feet) from bottom to top. (SrD-07).
Download ImagePlunging anticline. SW Montana.
Aerial view of Plunging anticline. View northward. Near Frying Pan Gulch, SW Montana. SrD-08.
Download ImageUpheaval Dome, SE Utah.
Aerial view of Upheaval Dome, Canyonlands National Park, Utah, a structural dome with the oldest rocks in the core. (SrD-09).
Download ImageOverturned anticline, Death Valley, CA.
Aerial view of Titus Canyon Anticline, Death Valley National Park, California. This mountain-scale fold is an overturned anticline–the oldest rock lies in the core. Prominent dark red cliffs on right side made of Cambrian Zabriskie Quartzite; younger Carrara Formation makes brownish clffs to left. At the level of the canyon bottom, note how the rock is overturned. SrD-10.
Download ImageSyncline-Anticline pair, California
Folding of sedimentary rock in a shutter ridge, parallel to the San Andreas fault near Palmdale, California. Note different styles of folding between thick and thin beds of sandstone and shale. (SrD-02)
Download ImageAsymmetric folds in chert, CA.
Folded radiolarian (ribbon) chert, Marin Headlands, California (SrD-06)
Download ImageUplifted marine terrace, Oregon
Uplifted marine terrace at Cape Blanco, Oregon. (SrA-30)
Download ImageFault scarps along Wasatch FZ, Utah
Fault scarps and urban development along Wasatch fault zone. Salt Lake City, Utah. (SrA-27).
Download ImageAnticline-syncline pair
Anticline-syncline pair in Devonian Old Red Sandstone exposed in cliff face, SW Wales, UK (SrD-03)
Download ImageAnticline in sandstone, CA.
Anticline in medium-bedded sandstone and shale, near Barstow, California. A good example of flexural slip folding. (SrD-04)
Download ImageAnticline. Tien Shan Mtns., Kyrgyzstan.
Anticline in Neogene sedimentary rock. (SrD-01).
Download ImageDrowned trees and fault scarp, Hawaii.
An earthquake on the fault that uplifted the basalt headland dropped the coastline to drown the trees. (SrA-33)
Download ImageDrowned tree in surf zone, Oregon.
Drowned tree stumps in intertidal zone, part of a ghost forest. Sunset Bay State Park, Oregon. These tree stumps indicate that this beach was somewhat above sea level when the trees grew, but dropped to below sea level as the result of an earthquake. Carbon dating of the wood indicates the trees died some 1200 years ago. (SrA-32).
Download ImageTilted marine terrace, N. Cal.
Marine terraces form at sea level and horizontally. The tilting of such a recent feature indicates recent deformation.
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