Brittle Structures
![Aerial view of San Andreas Fault and Pt. Reyes San Andreas fault and Tomales Bay](https://i0.wp.com/geologypics.com/wp-content/uploads/2012/04/sra-02.jpg?resize=495%2C400&ssl=1)
Aerial view of San Andreas Fault and Pt. ReyesAerial view of San Andreas fault and Pt. Reyes --just north of San Francisco. View is to the north. The fault runs down Tomales Bay, the narrow arm of the ocean that runs diagonally across the photo.
![100624-15lr](https://i0.wp.com/geologypics.com/wp-content/uploads/2014/10/100624-15lr.jpg?resize=495%2C400&ssl=1)
100624-15lrThe Wallowa Mountains rise along a fault zone just south of the town of Joseph.
![100624-15lr](https://i0.wp.com/geologypics.com/wp-content/uploads/2014/10/100624-15lr1.jpg?resize=495%2C400&ssl=1)
100624-15lrThe Wallowa Mountains rise along a fault zone just south of the town of Joseph.
![100128-85e](https://i0.wp.com/geologypics.com/wp-content/uploads/2014/10/100128-85e1.jpg?resize=495%2C400&ssl=1)
100128-85eAerial view of Salton Sea, with the approximate locations of the southern San Andreas and Imperial faults. Note how right-lateral slip on the two en-echelon faults drive extension between them.
![150101-120](https://i0.wp.com/geologypics.com/wp-content/uploads/2015/01/150101-120.jpg?resize=495%2C400&ssl=1)
150101-120Recent faulting along western edge of Lemhi Range, Idaho.
![150101-167](https://i0.wp.com/geologypics.com/wp-content/uploads/2015/01/150101-167.jpg?resize=495%2C400&ssl=1)
150101-167Glacial valleys and frontal fault zone on the north side of the Wallowa Mountains, Oregon.
![ADep-18s](https://i0.wp.com/geologypics.com/wp-content/uploads/2015/01/adep-18s.jpg?resize=495%2C400&ssl=1)
ADep-18sFault-bounded east front of Steens Mountain and Alvord Desert.
![SrA-07](https://i0.wp.com/geologypics.com/wp-content/uploads/2015/04/sra-07.jpg?resize=495%2C400&ssl=1)
SrA-07Aerial view of faulted front of the Black Mountains.
![Black Mtns., Death Valley, CA, showing range-bounding fault and](https://i0.wp.com/geologypics.com/wp-content/uploads/2015/04/srf-13.jpg?resize=495%2C400&ssl=1)
Black Mtns., Death Valley, CA, showing range-bounding fault andAerial view of Black Mountains and Copper Canyon turtleback (greenish rock on right).
![140426-51](https://i0.wp.com/geologypics.com/wp-content/uploads/2015/04/140426-51.jpg?resize=495%2C400&ssl=1)
140426-51Angular unconformity at Ryan Mesa: 4 Ma basalt flows overlying faulted Artist Drive (left) and Furnace Creek (right) formations.
![IMG_1345](https://i0.wp.com/geologypics.com/wp-content/uploads/2015/12/img_1345.jpg?resize=495%2C400&ssl=1)
IMG_1345Boulders on alluvial fan, Death Valley, California. The canyon, at the apex of the fan, can be seen in the background. It is a wineglass canyon, formed by erosion of an actively rising mountain next to a fault zone.
![150427-57](https://i0.wp.com/geologypics.com/wp-content/uploads/2015/12/150427-57.jpg?resize=495%2C400&ssl=1)
150427-57Keystone Thrust fault, Nevada--gray Cambrian ridges over tan Jurassic cliffs.
![Normal faults in Lewis Thrust fault zone, Glacier National Park,](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/090711-49.jpg?resize=495%2C400&ssl=1)
Normal faults in Lewis Thrust fault zone, Glacier National Park,Normal faults extend the upper plate of Proterozoic rock of the Lewis Thrust.
![Repetition of strata on thrust fault, northenr Montana.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/090716-43.jpg?resize=495%2C400&ssl=1)
Repetition of strata on thrust fault, northenr Montana.Both ridge-forming rock units are Missiissippian-age limestone that has been repeated along a thrust fault. Sun River Canyon, Montana.
![Lewis thrust fault and mountains of Glacier National Park, Monta](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/090711-57.jpg?resize=495%2C400&ssl=1)
Lewis thrust fault and mountains of Glacier National Park, MontaThe Lewis thrust fault, which places rock over the Proterozoic Belt Supergroup over Cretaceous rock, lies at the base of the cliffs, just below the tan rock unit.
![Normal fault cutting Tertiary conglomerate, Mojave Desert, CA.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/101231-12.jpg?resize=495%2C400&ssl=1)
Normal fault cutting Tertiary conglomerate, Mojave Desert, CA.Normal fault cutting Tertiary conglomerate, Mojave Desert, CA.
![Headwall of a landslide: small normal fault offsetting uplifted](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/111207-130.jpg?resize=495%2C400&ssl=1)
Headwall of a landslide: small normal fault offsetting upliftedHeadwall of a landslide: small normal fault offsetting uplifted Pleistocene marine gravels, Cape Blanco, Oregon. Continuation of uplifted marine terrace in background.
![Crack-in-the-ground, a fissure developed along a normal fault in](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/120625-114.jpg?resize=495%2C400&ssl=1)
Crack-in-the-ground, a fissure developed along a normal fault inCrack-in-the-ground, a fissure developed along a normal fault in central Oregon.
![Lake Abert and Abert Rim, a downdropped basin and uplifted range](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/120626-56.jpg?resize=495%2C400&ssl=1)
Lake Abert and Abert Rim, a downdropped basin and uplifted rangeLake Abert and Abert Rim, a downdropped basin and uplifted range in Oregon's Basin and Range Province. A large normal fault runs along the break in slope on the left side of the photo. Basalt boulders in the foreground.
![Asymmetric anticline and syncline in limestone, Mt. Kidd, Albert](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/120711-15.jpg?resize=495%2C400&ssl=1)
Asymmetric anticline and syncline in limestone, Mt. Kidd, AlbertAsymmetric anticline and syncline in limestone, Mt. Kidd, Alberta. These folds are fault-propagation folds, as they formed at the termination of the Lewis thrust.
![Thrust faults and folds, Oregon Coast Range.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/120904-66.jpg?resize=495%2C400&ssl=1)
Thrust faults and folds, Oregon Coast Range.Thrust faults and folds, Oregon Coast Range.
![Sidewalk offset and bent by creep on Calaveras fault, Hollister, California](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/5D-0321.jpg?resize=495%2C400&ssl=1)
Sidewalk offset and bent by creep on Calaveras fault, Hollister, CaliforniaSidewalk offset and bent by creep on Calaveras fault, Hollister, California
![Fault-block mountain and desert spring.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/5D-4485.jpg?resize=495%2C400&ssl=1)
Fault-block mountain and desert spring.Abrupt fault-bounded east side of Steens Mountain, SE Oregon and water from spring.
![Chief Mountain Klippe, Glacier National Park, Montana and mounta](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/ChiefMtnPan.jpg?resize=495%2C301&ssl=1)
Chief Mountain Klippe, Glacier National Park, Montana and mountaChief Mountain, a klippe of the Lewis Thrust fault, at the US-Canada border in Glacier National Park, Montana. The fault places resistant rock of the Late Precambrian Belt Supergroup over softer Cretaceous-age sandstone and shale --and so lies at the base of the cliffs, all along the mountain front. Several smaller klippen lie to the left of Chief Mountain, between it and the rest of the range.
![Willamette River, Portland Hills fault, and Portland, OR](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/City-05.jpg?resize=495%2C400&ssl=1)
Willamette River, Portland Hills fault, and Portland, OR
![Trace of San Andreas fault, SF Peninsula, CA](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/City-08.jpg?resize=495%2C400&ssl=1)
Trace of San Andreas fault, SF Peninsula, CA
![San Andreas fault, San Bernardino, CA](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/City-12.jpg?resize=485%2C400&ssl=1)
San Andreas fault, San Bernardino, CA
![Trace of Wasatch Fault Zone, Salt Lake City, Utah](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/City-16.jpg?resize=495%2C400&ssl=1)
Trace of Wasatch Fault Zone, Salt Lake City, Utah
![New building construction along Wasatch fault zone, Salt Lake Ci](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/City-14.jpg?resize=495%2C400&ssl=1)
New building construction along Wasatch fault zone, Salt Lake Ci
![Sidewalk offset by creep on Calaveras fault, Hollister, California](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/IMG_0317.jpg?resize=495%2C400&ssl=1)
Sidewalk offset by creep on Calaveras fault, Hollister, CaliforniaSidewalk offset by creep on Calaveras fault, Hollister, California
![IMG_1343](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/IMG_1343.jpg?resize=495%2C400&ssl=1)
IMG_1343Boulders on alluvial fan, Death Valley, California. The canyon, at the apex of the fan, can be seen in the background. It is a wineglass canyon, formed by erosion of an actively rising mountain next to a fault zone.
![IMG_1396](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/IMG_1396.jpg?resize=495%2C400&ssl=1)
IMG_1396San Andreas fault at Wallace Creek in the Carrizo Plain, California, view towards the northeast. Note how the stream gully is abruptly deflected to the right about 10 meters. That deflection was caused by right-lateral slip events (earthquakes) on the fault. The deflection is not particularly great, because the stream gully is young.
![IMG_1345](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/IMG_1345.jpg?resize=495%2C400&ssl=1)
IMG_1345Boulders on alluvial fan, Death Valley, California. The canyon, at the apex of the fan, can be seen in the background. It is a wineglass canyon, formed by erosion of an actively rising mountain next to a fault zone.
![IMG_1404](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/IMG_1404.jpg?resize=495%2C400&ssl=1)
IMG_1404San Andreas fault at Wallace Creek in the Carrizo Plain, California, view towards the northeast. Note how the stream gully is abruptly deflected to the right about 150 meters. That deflection is caused by repeated right-lateral slip events (earthquakes) along the fault.
![mafic dike intruding gneiss. Note fault.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/Ig-09.jpg?resize=495%2C400&ssl=1)
mafic dike intruding gneiss. Note fault.
![San Andreas fault in Coachella Valley, CA.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrA-01.jpg?resize=495%2C400&ssl=1)
San Andreas fault in Coachella Valley, CA.
![Recently active Black Mountains fault zone, Death Valley, CA](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrA-06.jpg?resize=495%2C400&ssl=1)
Recently active Black Mountains fault zone, Death Valley, CA
![Fault scarp and alluvial fan, Death Valley, CA.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrA-10.jpg?resize=495%2C400&ssl=1)
Fault scarp and alluvial fan, Death Valley, CA.
![Fault scarp: Owens Valley fault, at base of Sierra Nevada, CA.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrA-16.jpg?resize=495%2C400&ssl=1)
Fault scarp: Owens Valley fault, at base of Sierra Nevada, CA.
![Fault-bounded mountain front, Death Valley, CA.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrA-13.jpg?resize=476%2C400&ssl=1)
Fault-bounded mountain front, Death Valley, CA.
![Cedar City, Utah and Hurricane Fault](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrA-25.jpg?resize=495%2C400&ssl=1)
Cedar City, Utah and Hurricane Fault
![Fault-controlled mountain front, Death Valley, CA.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrA-09.jpg?resize=495%2C400&ssl=1)
Fault-controlled mountain front, Death Valley, CA.
![Offset sidewalk by fault creep. Calaveras fault, Hollister, CA.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrA-28.jpg?resize=495%2C400&ssl=1)
Offset sidewalk by fault creep. Calaveras fault, Hollister, CA.
![Drowned trees and fault scarp, Hawaii.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrA-33.jpg?resize=495%2C400&ssl=1)
Drowned trees and fault scarp, Hawaii.
![Aerial view of faulted plunging anticline, Colorado Front Range.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrD-19.jpg?resize=495%2C400&ssl=1)
Aerial view of faulted plunging anticline, Colorado Front Range.
![Contrasting behavior: faulted diabase sill and ductiley deformed](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrD-50.jpg?resize=495%2C400&ssl=1)
Contrasting behavior: faulted diabase sill and ductiley deformed
![Normal fault, SE California.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-05.jpg?resize=495%2C400&ssl=1)
Normal fault, SE California.
![Tilted fault block, Eagle Mtn., Amargosa Valley, CA.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-02.jpg?resize=495%2C400&ssl=1)
Tilted fault block, Eagle Mtn., Amargosa Valley, CA.
![Normal fault, SE Utah.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-06.jpg?resize=495%2C400&ssl=1)
Normal fault, SE Utah.
![Conjugate normal faults, SE Utah.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-09.jpg?resize=495%2C400&ssl=1)
Conjugate normal faults, SE Utah.
![Normal faults and tilted ash bed, SE Cal.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-04.jpg?resize=495%2C400&ssl=1)
Normal faults and tilted ash bed, SE Cal.
![Low angle normal fault (detachment fault), Copper Canyon turtleb](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-08.jpg?resize=495%2C400&ssl=1)
Low angle normal fault (detachment fault), Copper Canyon turtleb
![Detachment fault (Boundary Canyon fault) Death Valley, CA.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-10.jpg?resize=495%2C400&ssl=1)
Detachment fault (Boundary Canyon fault) Death Valley, CA.
![Whipple Mtns Detachment fault, SE Cal.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-15.jpg?resize=495%2C400&ssl=1)
Whipple Mtns Detachment fault, SE Cal.
![Black Mtns., Death Valley, CA, showing range-bounding fault and](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-13.jpg?resize=495%2C400&ssl=1)
Black Mtns., Death Valley, CA, showing range-bounding fault and
![Detachment fault, showing minor faults in hanging wall terminati](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-14.jpg?resize=495%2C400&ssl=1)
Detachment fault, showing minor faults in hanging wall terminati
![Normal fault, Tertiary Volcanic rock over Precambrian basement g](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-12.jpg?resize=495%2C400&ssl=1)
Normal fault, Tertiary Volcanic rock over Precambrian basement g
![Thrust fault, placing basement granitic rock over Tertiary sedim](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-21.jpg?resize=495%2C400&ssl=1)
Thrust fault, placing basement granitic rock over Tertiary sedim
![Thrust fault, southern Utah.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-18.jpg?resize=495%2C400&ssl=1)
Thrust fault, southern Utah.
![Thrust fault, placing Paleozoic rock over Tertiary rock, Tien Sh](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-23.jpg?resize=472%2C400&ssl=1)
Thrust fault, placing Paleozoic rock over Tertiary rock, Tien Sh
![Imbricate thrust faults, repeating dark brown ledges of the Tria](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-24.jpg?resize=495%2C400&ssl=1)
Imbricate thrust faults, repeating dark brown ledges of the Tria
![Thrust fault and folds, SW Wales, UK.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-29.jpg?resize=495%2C400&ssl=1)
Thrust fault and folds, SW Wales, UK.
![Lewis Thrust, N. Montana and southern Alberta. This fault place](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-28.jpg?resize=495%2C400&ssl=1)
Lewis Thrust, N. Montana and southern Alberta. This fault place
![Thrust fault and fault-bend fold, eastern WA.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-19.jpg?resize=495%2C400&ssl=1)
Thrust fault and fault-bend fold, eastern WA.
![Minor thrust faults in core of anticline, SW Wales, UK.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-30.jpg?resize=495%2C400&ssl=1)
Minor thrust faults in core of anticline, SW Wales, UK.
![Aerial view of Furnace Creek Fault zone, Death Valley, CA.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-35.jpg?resize=495%2C400&ssl=1)
Aerial view of Furnace Creek Fault zone, Death Valley, CA.
![Thrust fault and fold, N. Montana.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-33.jpg?resize=495%2C400&ssl=1)
Thrust fault and fold, N. Montana.
![Imbricate thrust faults repeating brown ledges of Triassic Dinwo](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-32.jpg?resize=495%2C400&ssl=1)
Imbricate thrust faults repeating brown ledges of Triassic Dinwo
![Strike-slip faults offsetting granitic dike, N. Wisconsin.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-36.jpg?resize=495%2C400&ssl=1)
Strike-slip faults offsetting granitic dike, N. Wisconsin.
![Small right- and left-lateral faults in siltstone, S. BC, Canada](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-39.jpg?resize=495%2C400&ssl=1)
Small right- and left-lateral faults in siltstone, S. BC, Canada
![Right-lateral fault in sandstone, Oregon.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-42.jpg?resize=495%2C400&ssl=1)
Right-lateral fault in sandstone, Oregon.
![Fault gouge along fault surface.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-57.jpg?resize=495%2C400&ssl=1)
Fault gouge along fault surface.
![Color-banded fault gouge. Main fault surface is in upper right](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-58.jpg?resize=495%2C400&ssl=1)
Color-banded fault gouge. Main fault surface is in upper right
![Calcite fibers on fault surface.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-59.jpg?resize=495%2C400&ssl=1)
Calcite fibers on fault surface.
![Brecciated limestone (not in a fault zone). Death Valley, CA.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-65.jpg?resize=495%2C400&ssl=1)
Brecciated limestone (not in a fault zone). Death Valley, CA.
![Slickenlines on fault surface.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-63.jpg?resize=495%2C400&ssl=1)
Slickenlines on fault surface.
![Detachment fault. Rock above and below deformed independently o](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-68.jpg?resize=495%2C400&ssl=1)
Detachment fault. Rock above and below deformed independently o
![Faulted angular unconformity between Pliocene basalt and folded](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrU-19.jpg?resize=495%2C297&ssl=1)
Faulted angular unconformity between Pliocene basalt and folded
![YachatsWaves1-4](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/03/yachatswaves1-4.jpg?resize=495%2C368&ssl=1)
YachatsWaves1-4Blowhole near Yachats. Incoming wave funnels up a channel eroded along a fracture and explodes upwards on reaching the end.
![Unloading joints in Cretaceous granodiorite, Yosemite National P](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/111118-12.jpg?resize=495%2C400&ssl=1)
Unloading joints in Cretaceous granodiorite, Yosemite National PUnloading joints (fractures) in Cretaceous granodiorite, Yosemite National Park, California. These fractures form roughly parallel to the land surface in response to upwards expansion as overlying material gets eroded away.
![Tree growing from fracture in granitic rock, Yosemite National P](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/111118-20.jpg?resize=495%2C400&ssl=1)
Tree growing from fracture in granitic rock, Yosemite National PTree growing from fracture in granitic rock, Yosemite National Park, California.
![Conchoidal fracture in obsidian.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/120625-97.jpg?resize=495%2C400&ssl=1)
Conchoidal fracture in obsidian.Conchoidal fracture in obsidian.
![Conchoidal fracture in obsidian.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/120625-91.jpg?resize=495%2C400&ssl=1)
Conchoidal fracture in obsidian.Conchoidal fracture in obsidian.
![Weathering and erosion of fractured granite](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/5D-5580.jpg?resize=495%2C400&ssl=1)
Weathering and erosion of fractured graniteWeathering and erosion of fractured granite
![Groundwater staining along fractures in granite, Sierra Nevada,](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/G-14.jpg?resize=477%2C400&ssl=1)
Groundwater staining along fractures in granite, Sierra Nevada,
![Groundwater staining along fractures in granite, Sierra Nevada,](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/G-23.jpg?resize=495%2C400&ssl=1)
Groundwater staining along fractures in granite, Sierra Nevada,
![Fracture-controlled liesegang banding in siltstone.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/G-25.jpg?resize=495%2C400&ssl=1)
Fracture-controlled liesegang banding in siltstone.
![Conjugate strike slip faults and associated fractures in siltsto](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-41.jpg?resize=495%2C400&ssl=1)
Conjugate strike slip faults and associated fractures in siltsto
![Fibrous calcite filling tips of extension fractures in sandstone](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrF-47.jpg?resize=495%2C400&ssl=1)
Fibrous calcite filling tips of extension fractures in sandstone
![Fractured granite, from frost-wedging, SW Montana.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/WE-31.jpg?resize=495%2C400&ssl=1)
Fractured granite, from frost-wedging, SW Montana.
![Fractures in break-away of landslide, SW Montana.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/WE-38.jpg?resize=495%2C400&ssl=1)
Fractures in break-away of landslide, SW Montana.
![Tree growing from fracture in granitic rock, Yosemite National P](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/111118-20-1.jpg?resize=495%2C400&ssl=1)
Tree growing from fracture in granitic rock, Yosemite National PTree growing from fracture in granitic rock, Yosemite National Park, California.
![Contrasting behavior: brittle faulting and ductile flow.](https://i0.wp.com/geologypics.com/wp-content/uploads/2017/04/SrD-48.jpg?resize=495%2C400&ssl=1)
Contrasting behavior: brittle faulting and ductile flow.