Wikimedi'Òc

Chinle Badlands.jpg - Duk

Gay Head Cliffs - Aquinnah - Martha's Vineyard - MA - USA.jpg - Afernand74

Virgin River Canyon Recreation Area 4.jpg - Stan Shebs

Spider Rock, Canyon de Chelly.jpg - Hydrargyrum

Mount Timpanogos and "Timp Glacier".jpg - Ixbrian

Gullies, San Clemente, California.jpg - Downtowngal

Catskill-slab-new.jpg - BotMultichillT

Flickr - brewbooks - Fidalgo Island Strata.jpg - Matanya

View from Sunrise Point (8120853899).jpg - File Upload Bot (Magnus Manske)

Neon Canyon (3871418159).jpg - File Upload Bot (Magnus Manske)

Bakken Core samples under a black light.jpg - Joshua Doubek

Cut Bakken Core samples.jpg - Joshua Doubek

5-2-12-h (7139340957).jpg - File Upload Bot (Magnus Manske)

Courthouse Rock, Sedona Arizona.JPG - Tedsan64

EurekaCliffsCA.jpg - Ixfd64

Cliffs, San Clemente.jpg - Downtowngal

Bulletin of the Geological Society of America (1917) (20261419600).jpg - Fæ

Sand cliffs and clouds - panoramio.jpg - Panoramio upload bot

Luquillo, playa 13.jpg - LBM1948

Index to the stratigraphy of North America (IA cu31924004597872).pdf - Fæ