Return to the Geo-Images Home Page.

Alluvial Plain Deposits and Human Transformations of Land Surfaces

Braided channel and terraces

Channel bed and bank

Channel bed with ancient road

Braid bars with varnish

Buried soil in terrace

Alluvial fill and terraces

High stranded pediment

Prehistoric agricultural fields

Prehistoric fields and canals

Prehistoric clearing

Prehistoric dune occupation

Dunes

Longitudinal dune

Ancient sand outcropping

Dune meets river

Barchan dune

Giant barchan dune

Barchanoid feature

Climbing dune

Dune/alluvial fan

Playa behind dune dam

Alluvium meets large dune

Ancient barchan dune

Low area in dune field

Coastal Zones and Volcanoes

Very small delta

Bandurria Spit

Zetaform beach

Pebble beach

Pebble beach storm ridges

Size sorting on beach

Ancient beach ridge

Small pocket beach

Sea stack with shore platform

Shore platforms

Shore platforms below cliff

Marine terrace

Dunes behind beach

Altiplano of Southern Peru

Ignimbrites in valley

Glaciers and Valleys

Moraines on the Puna

Faulted moraines

Normal fault in till

Striated boulders

Lake behind moraine

Catastrophic debris flow

Debris flow source

Callejon de Huaylas highlands

Schematic of valley profile

Highland valley, near pass

Highland valley narrows

Highland valley widens

Broad highland valley

Valley exits mountains

Valley near delta

Vegetated braided channels

Rio Santa Delta

Desert Pavement/Varnish and Weathering Features

Desert pavement forming

Young desert pavement

Early desert pavement

Desert pavement with rubification

Desert pavement with vesicules

Ancient desert pavement

Desert pavement on riser

Lithic workshop

Sun or salt-split rock

Differential erosion of basalt

Tufoni

Tufoni up close

Eolian carved pediment

Weathered prehistoric adobe

Flood Deposits

Ash layer in flood deposits

Debris flow in flood deposits

Dune sands and flood deposits

Sand and flood layers

Overbank deposit and buried soil

Debris flow profile

Pyramid buried by flood

Gravel and flood deposits

Flood sheet surface

Soil buried in sediments

Cracks in El Nino surface

El Nino debris flow

El Nino flood surface

Large cracks, El Nino surface

El Nino debris flow surface

El Nino sediment in house

El Nino sediment in channel

High-water marks on church

Coasts and Rain

Erosion notch, Baja California

Erosion notch, Nauru

Second erosion notch, Nauru

Karst lake, Nauru

Remnants on shore platform

Karst excavated by mining

Uplifted coral, Sulawesi

Beach rock, Baja California

Beach rock, Abemama

Saline lagoon, Baja California

Tidal flats w/ mangroves

Tidal flats, Abemama Lagoon

Mangrove on Abemama Lagoon

Tidal channel, Sulawesi

Broad sandy estuary, Peru

Small mangroves

Large tidal channel

Equatorial storm, Tarawa

Equatorial storm, Sulawesi

More Coasts

A stretch of Abemama Atoll

Town on Abemama Atoll

Tidal channel, Abemama

Peninsula, Abemama Atoll

Volcanic island, Sulawesi

Flanks of volcanic island

Crab holes and sand piles

Beach riddled with crab holes

Ray wallow

Water spout

Tidal flats channel

Tidal flats, Baja

Small tidal estuary, Peru

Aerial view of fish farm ponds

Tidal Flats and Miscellaneous

Aggrading pocket marsh

Aggrading lagoon

Tidal flat at low water

Excavated marsh soil

Eroding marsh shoreline

Eroding marsh

Eroding tidal channel

Subsiding marsh

A ped of peat

Gullying of floodplain

Desiccated mudflats, Iraq

Ventifacted brick, Iraq

Volcano, Sulawesi

Mud volcano, Sulawesi

Erosion and Rivers

Incised pediment, Cyprus

Smokers, Cyprus

Channel incised in bedrock

Gullying, Tigris floodplain

Gullying, Colorado Peidmont

Erosional platform, Salton Sea

Meanders, Green River

Hoodoos, Crater Lake

Undercut waterfall

Boulder Bar, Peru

Buried soil, Cyprus

A second buried soil, Cyprus

Alluvial terrace, Cyprus

Meanders, Sacramento River

Braided channel, Calif.

Channels, subsided marsh

Faults, Glaciers, Volcanoes

Earthquake offset road

Earthquake offset curb

Earthquake land rifts

Earthquake hillside cracks

Earthquake road deformation

Fault scarp

Rocky fault scarp

Fault in bedrock

Buried tsunami sands

Glacial valley, Colorado

Glacial valley, Montana

Glacial valley walls

Edge of lava lake, Hawaii

Lava flow over road

Obsidian domes

Volcano flanks

Miscellaneous Additions

Subsided spruce forest

Carbonate (cemented) soil

Small fill terraces

Pediment in lake sediment

Diverging moraines

Ventifacted bricks, Iraq

Petrified interbedded dunes

Glacial till over granite

Tidal channel, California

Fault in alluvial gravels

Geoglyph, Peru

Alluvial fans, Peru

Alluvial fan trenching

Crossbedding in channel

Desert pavement, Peru

Small dust storm

Dune dam, Peru

Longitudinal falling dune

Cerro Manchan dune, Peru

Granule ripples, Peru