Weathering and Erosion

Wave-cut bench, Sunset Bay, OregonWave-cut bench at Sunset Bay, Oregon

ice-stufflr

Headland and lighthouse, Heceta Head, OregonAerial view of Heceta Head, Oregon.

Sea stacks and sea arch, southern OregonSea stacks and sea arch, southern Oregon

CE-06060115-33-arrowscwave refraction causes wave energy to focus on the headland. Arrows are perpendicular to wave fronts.

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Wave refraction around headland, CA

Headland and lighthouse, Heceta Head, Oregon

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Cape Blanco headland, Oregon

Incoming surf, Oregon

Wave crashing on rock, Oregon

Incoming waves, CA

Sea stack, Cape Blanco, OR

Pt. Reyes Headland, CA

headlands and bays, CA

Sea stacks and sea arch, Oregon

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Tsunami warning sign, OR

Erosion along coastal highway, CA

Sea stack and incoming tide, OR

Sea arch, Santa Cruz, CA

Landsliding along coast, CA

Landsliding and road damage along coast, CA

Landslide and damaged house, Oregon coast

Landsliding along coast, OR

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Tombolo, Puget Sound, WA

House destroyed by landsliding, Oregon coast

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Coastal erosion and roadway, CA

Incoming tide, OR

Coastal landslide (Cape Cove Landslide) Oregon.

Land loss on Mississippi River Delta resulting from subsidence--

Deliate ArchDeliate Arch, Arches NP, Utah. (ID # WE-01)

Sandstone FinsSandstone fins--from erosion along joint surfaces, Arches NP, Utah (ID WE-02)

Sandstone ArchSandstone Arch, SE Utah. (ID WE-04)

Arch and FinArch and fin, Arches NP, Utah. Mechanical Weathering. Development of arch along joint surface,
Arches NP, Utah. Note fins in background. (ID # WE-03)
Arches NP, Utah. Note fins in background. (ID # WE-03)

Differential ErosionDifferential erosion, Bryce Canyon NP, Utah. (ID # WE-06)

Badlands ErosionBadlands erosion, Death Valley, CA. (ID # WE-07)

Badlands ErosionBadlands erosion, Kyrgyzstan (ID # WE-08)

The Chocolate Drops, UtahThe Chocolate Drops, Utah
Isolation of monoliths, SE Utah. Person for scale on skyline at right. (Image ID# WE-09)
Isolation of monoliths, SE Utah. Person for scale on skyline at right. (Image ID# WE-09)

Joint Controlled ErosionJoint controlled erosion, SE Utah. (ID # WE-10)

Badlands ErosionBadlands erosion, Kyrgyzstan. (ID # WE-05)

Joint-Controlled ErosionJoint-controlled erosion, Canyonlands NP, Utah. (ID # WE-11)

Mitten RockErosional remnant, Mitten Rock, Monument Valley, Arizona, USA. (ID# WE-12)

Needles DistrictThousands of feet of sedimentary rock, exposed in the canyons of SE Utah, attest to great lengths of geologic time. This particular canyon is in the Needles District of Canyonlands National Park. (Image ID # WE-14)

Weathering of GraniteWeathering of granite into rounded boulders, Colorado. (Image ID # WE-15)

Soil ProfileSoil profile in grassland, Montana. (Image ID # WE-17)

Soil ProfileSoil profile in loess. (Image iD# WE-19)

Entrenched MeanderEntrenched Meander, San Juan River, SE Utah. (Image ID# WE-23)

HogbacksHogbacks of Cretaceous Kootenai Fm. Block Mountain in background. SE Montana. (Image ID# WE-21)

Hogback RidgeHogback Ridge, capped by resistant Dakota Sandstone, Colorado.
(Image ID# WE-20)
(Image ID# WE-20)

Chemical WeatheringSoil profile in grassland, Colorado. (Image ID# WE-18)

Entrenched MeandersEntrenched Meanders: confluence of the Green and Colorado Rivers. Canyonlands National Park, Utah. (Image ID # WE-24)

Entrenched MeandersEntrenched meanders: Canyon de Chelly National Monument, Arizona (Image ID # WE-25)

Weathering RindsWeathering rinds on granite. (Image ID# WE-28)

"V"-shaped River Valley"V"-shaped river valley, Sierra Nevada, California (Image ID# WE-27)

Talus on Mountain SlopeTalus on mountain slope -produced by frost-wedging. Pioneer Mountains, Montana (Image ID# WE-30)

Weathering RindClose up of a weathering rind in granitic rock primarily produced primarily by
oxidation. (Image ID# WE-29)
oxidation. (Image ID# WE-29)

Fractured GraniteFractured granite, from frost-wedging, SW Montana. (Image ID # WE-31)

Avalanche tracksAvalanche tracks, S. Alberta. horizontal (Image ID# WE-34)

Differential ErosionDifferential erosion, Bryce Canyon NP, Utah. (Image ID # WE-26)

Grus FormationThree stages of grus formation in granite. (Image ID # WE-33)

TalusTalus produced by frost-wedging, Colorado. (Image ID# WE-32)

Mass WastingMass movement earth flow Slump and earthflow, California.(Image ID #WE-35)

Landslide scarLandslide scar, Dawson, Yukon. (Image ID# WE-37)

Overlapping debris flowsOverlapping debris flows, Death Valley, California (Image ID# WE-36)

Antecedent RiverAntecedent River, SW Montana. (Image ID # WE-22)

Talus coneTalus cone, Sierra Nevada, California. (Image ID# WE-39)

Debris FlowColorado Debris Flow and channel, Colorado (Image ID # WE-40)

FracturesFractures in break-away of landslide, SW Montana. (Image ID # WE-38)

ErosionErosion of a roadway in Oregon (Image ID#WE-42)

Debris avalancheDebris avalanche, Tien Shan Mtns., Kyrgyzstan. (Image ID#WE-46)

SlumpSlump in Northern California (Image ID# WE-47)

SlumpSlump, Tien Shan Mtns., Kyrgyzstan. (Image ID# WE-45)

Effects of flash floodEffects of flash flood, Death Valley, California (Image ID # WE-48)

Dust stormDust Storms in SE California (Image ID#WE-49)

Dust StormDust Storms in SE California (Image ID#WE-50)

Rock AvalanchRock Avalanche, Oregon (Image ID# WE-41)

Deflation hollow in sand, SE Cal.Deflation hollow in sand, SE California. (Image ID #
WE-51)
WE-51)

Desert PavementDesert Pavement SE California (Image ID# WE-53)

Dust DevilDust Devil, eastern California (Image ID# WE-52)

Soil CreepEffects of soil creep, Nevada. (Image ID# WE-59)

Chemical WeatheringDifferent effects of chemical weathering according to rock type: limestone in foreground; granite in left background, Vermont.(Image ID #WE-58)

Debris flowDebris flow and road, SE California. (Image ID#WE-43)