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Lewis Thrust fault (at treeline), Montana-Alberta.
Lewis Thrust, N. Montana and southern Alberta. This fault places Proterozoic Belt Supergroup over Cretaceous sandstone and shale. (SrF-28)
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Imbricate thrust faults.
Imbricate thrust faults, repeating dark brown limestone ledges of the Triassic Dinwoody Formation, SW Montana. Note anticline. (SrF-24)
Download ImageKeystone Thrust fault, SW Nevada.
Keystone Thrust, southern Nevada, places Cambrian limestone (gray) over Jurassic Aztec sandstone (pink and red) SrF-26.
Download ImageKeystone thrust fault, Spring Mountains, Nevada
Aerial view of Keystone Thrust, southern Nevada. It places Cambrian limestone (gray) over Jurassic Aztec sandstone (pink and red) SrF-27.
Download ImageDecollement in limestone. Note that the rock is highly deformed
Decollement (detachment) fault in Cretaceous Limestone, SW Montana. Note the imbricated upper plate (SrF-25)
Download ImageThrust fault, Kyrgyzstan.
Thrust fault, Tien Shan Mountains, Kyrgyzstan –places Devonian sandstone over Neogene alluvial deposits. Note fold in footwall. (SrF-22)
Download ImageThrust fault, Kyrgyzstan (vertical).
Thrust fault, placing Paleozoic rock over Tertiary rock, Tien Shan Mtns., Kyrgyzstan.
Download ImageThrust fault, southern Utah.
Taylor thrust fault, Kolob Canyon area, Zion National Park, Utah. (SrF-18)
Download Imagethrust fault, Kyrgyzstan.
Thrust fault, placing basement granitic rock over orange-colored Neogene sedimentary rock, Tien Shan Mountains, Kyrgyzstan. (SrF-21)
Download ImageIdaho-Wyoming thrust belt.
Aerial view of Idaho-Wyoming Thrust Belt, view northward. (SrF-17).
Download ImageImbricate thrust faults, Montana
Aerial view of Thrust belt at Sun River Canyon area, (Distrubed Belt) south of Glacier National Park, Montana (SrF-16)
Download ImageThe Grabens area, Canyonlands NP, Utah.
Aerial view of the Grabens area, Canyonlands NP, Utah. Each canyon is a graben, bound by normal faults. (SrF-11).
Download ImageNormal fault, Death Valley, CA.
Normal fault at Badwater Turtleback, Death Valley National Park. Neogene Volcanic rock over green-colored Precambrian basement gneiss. (SrF-12)
Download ImageClose-up view of detachment fault, Death Valley, CA.
Detail view of detachment fault, showing minor normal faults in hanging wall terminating at detachment. (SrF-14)
Download ImageCopper Canyon Turtleback, Death Valley, CA.
Aerial view of Black Mountains frontal fault and Copper Canyon Turtleback, Death Valley National Park, California (SrF-13).
Download ImageWhipple Mtns detachment, CA
Whipple Mountains Detachment fault, SE California. Upper plate rocks dip steeply to right (SrF-15)
Download ImageBoundary Canyon detachment fault, Death Valley, CA.
fault is at the contact between the green-colored Johnnie Fm and tan-colored Stirling Quartzite (SrF-10).
Download ImageConjugate normal faults in marble.
Conjugate normal faults in marble of Noonday Dolomite, Death Valley National Park, California.
Download ImageLow angle normal fault (detachment fault), Death Valley, CA
The Copper Canyon Turtleback is one of three so-called “turtlebacks” in the Black Mountains, named because their curving shapes resemble the backs of turtles. They consist of a core of ductiley deformed metamorphic basement rock (the greenish rock in the foreground), and “upper plate” of brittley faulted sedimentary or volcanic rock (reddish rock in the middleground), and a low-angle normal fault between them. (SrF-08)
Download ImageNormal faults and tilted ash bed..
Normal faults and tilted ash bed, Death Valley National Park, California. (SrF-04).
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