Wikimedi'Òc

Mancos Shale slopes along the east side of the Strike Valley.jpg - Mav

Shallow subduction Laramide orogeny.png - Hike395

Cuprite-tenorite-chrysocolla, Milpillas mine, SON.jpg - Tillman

Silver-replaced gastropod in fossiliferous limestone, Smuggler Mine, Aspen, Colorado.jpeg - Tillman

White River Badlands of South Dakota panorama.jpg - Tillman

Concretion in the Dakota Sandstone (Lower Cretaceous) (Dinosaur Ridge, Colorado, USA).jpg - Jsj1771

Harney Peak Granite (late Paleoproterozoic, 1.695 to 1.715 Ga; Needles, Black Hills, South Dakota, USA) (38366807454).jpg - Rudolphous

Fossil palm fronds in vertically tilted sandstone (Laramie Formation, upper Upper Cretaceous; Parfet Prehistoric Preserve, Golden, Colorado, USA) 3 (48994468412).jpg - Ainz Ooal Gown

Fossil palm fronds in vertically tilted sandstone (Laramie Formation, upper Upper Cretaceous; Parfet Prehistoric Preserve, Golden, Colorado, USA) 2 (48994226596).jpg - Ainz Ooal Gown

Fossil palm fronds in vertically tilted sandstone (Laramie Formation, upper Upper Cretaceous; Parfet Prehistoric Preserve, Golden, Colorado, USA) 1 (15693826977).jpg - Ainz Ooal Gown

Fossil palm fronds in vertically tilted sandstone (Laramie Formation, upper Upper Cretaceous; Parfet Prehistoric Preserve, Golden, Colorado, USA) 5 (48993726803).jpg - Ainz Ooal Gown

Fossil palm fronds in vertically tilted sandstone (Laramie Formation, upper Upper Cretaceous; Parfet Prehistoric Preserve, Golden, Colorado, USA) 4 (48994272726).jpg - Ainz Ooal Gown

Triceratops dinosaur footprint on underside of vertically tilted sandstone bed (Laramie Formation, upper Upper Cretaceous; Parfet Prehistoric Preserve, Golden, Colorado, USA) (15894268491).jpg - Ainz Ooal Gown

Fossil bird track (Laramie Formation, Upper Cretaceous; Parfet Prehistoric Reserve, Golden, Colorado, USA) 2 (38526068672).jpg - Ainz Ooal Gown

Fossil bird track (Laramie Formation, Upper Cretaceous; Parfet Prehistoric Reserve, Golden, Colorado, USA) 1 (38557772651).jpg - Ainz Ooal Gown

Fossil bird track (Laramie Formation, Upper Cretaceous; Parfet Prehistoric Reserve, Golden, Colorado, USA) 3 (37669802195).jpg - Ainz Ooal Gown

Fossil bird track (Laramie Formation, Upper Cretaceous; Parfet Prehistoric Reserve, Golden, Colorado, USA) 5 (37841025274).jpg - Ainz Ooal Gown

Fossil bird track (Laramie Formation, Upper Cretaceous; Parfet Prehistoric Reserve, Golden, Colorado, USA) 4 (37841030694).jpg - Ainz Ooal Gown

Fossil bird track (Laramie Formation, Upper Cretaceous; Parfet Prehistoric Reserve, Golden, Colorado, USA) 6 (37841016814).jpg - Ainz Ooal Gown

Fossil bird track (Laramie Formation, Upper Cretaceous; Parfet Prehistoric Reserve, Golden, Colorado, USA) 7 (26781700409).jpg - Ainz Ooal Gown

Fossil bird track (Laramie Formation, Upper Cretaceous; Parfet Prehistoric Reserve, Golden, Colorado, USA) 8 (26781694549).jpg - Ainz Ooal Gown

Serpentinite with chrysotile asbestos (Archean; Casper Mountain, Natrona County, Wyoming, USA (49145813948).jpg - Ser Amantio di Nicolao

Bentonite (105.6 Ma) in the Dakota Sandstone (Lower Cretaceous) (Dinosaur Ridge, Colorado, USA) 2 (22021521100).jpg - Ser Amantio di Nicolao

Bentonite (105.6 Ma) in the Dakota Sandstone (Lower Cretaceous) (Dinosaur Ridge, Colorado, USA) 3 (21586824094).jpg - Ser Amantio di Nicolao

Bentonite (105.6 Ma) in the Dakota Sandstone (Lower Cretaceous) (Dinosaur Ridge, Colorado, USA) 4 (21586817144).jpg - Ser Amantio di Nicolao

Bentonite (105.6 Ma) in the Dakota Sandstone (Lower Cretaceous) (Dinosaur Ridge, Colorado, USA) 5 (22022679749).jpg - Ser Amantio di Nicolao

Bentonite (105.6 Ma) in the Dakota Sandstone (Lower Cretaceous) (Dinosaur Ridge, Colorado, USA) 6 (21588540403).jpg - Ser Amantio di Nicolao

Bentonite (105.6 Ma) in the Dakota Sandstone (Lower Cretaceous) (Dinosaur Ridge, Colorado, USA) 7 (22219886931).jpg - Ser Amantio di Nicolao

Bentonite (105.6 Ma) in the Dakota Sandstone (Lower Cretaceous) (Dinosaur Ridge, Colorado, USA) 8 (22219878631).jpg - Ser Amantio di Nicolao

Bentonite (105.6 Ma) in the Dakota Sandstone (Lower Cretaceous) (Dinosaur Ridge, Colorado, USA) 10 (22196790292).jpg - Ser Amantio di Nicolao

Bentonite (105.6 Ma) in the Dakota Sandstone (Lower Cretaceous) (Dinosaur Ridge, Colorado, USA) 9 (22196799162).jpg - Ser Amantio di Nicolao

Dinosaur footprints (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 3 (21589228633).jpg - Ser Amantio di Nicolao

Dinosaur footprints (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 4 (22022466098).jpg - Ser Amantio di Nicolao

Dinosaur footprints (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 5 (22023336419).jpg - Ser Amantio di Nicolao

Dinosaur footprints (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 6 (21589195623).jpg - Ser Amantio di Nicolao

Dinosaur footprints (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 7 (22023308929).jpg - Ser Amantio di Nicolao

Dinosaur footprints (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 8 (22184083246).jpg - Ser Amantio di Nicolao

Dinosaur footprints (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 9 (22023287259).jpg - Ser Amantio di Nicolao

Dinosaur footprints (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 10 (22210179075).jpg - Ser Amantio di Nicolao

Dinosaur footprints (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 11 (21589104073).jpg - Ser Amantio di Nicolao

Fossil bivalve (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) (8277681191).jpg - Ser Amantio di Nicolao

Fossil crocodilian claw scratch marks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) (8277680919).jpg - Ser Amantio di Nicolao

Bentonite (105.6 Ma) in the Dakota Sandstone (Lower Cretaceous) (Dinosaur Ridge, Colorado, USA) 1 (8278738272).jpg - Ser Amantio di Nicolao

Dakota Sandstone (Lower Cretaceous) (Dinosaur Ridge, Colorado, USA) 2 (8278740216).jpg - Ser Amantio di Nicolao

Dakota Sandstone (Lower Cretaceous) (Dinosaur Ridge, Colorado, USA) 1 (8277683545).jpg - Ser Amantio di Nicolao

Dakota Sandstone (Lower Cretaceous) (Dinosaur Ridge, Colorado, USA) 4 (8277685251).jpg - Ser Amantio di Nicolao

Caririchnium leonardii dinosaur tracks (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 1 (8278744136).jpg - Ser Amantio di Nicolao

Interference ripples (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) (8278746564).jpg - Ser Amantio di Nicolao

Fossil seed pod (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) (8277690567).jpg - Ser Amantio di Nicolao

Magnoavipes dinosaur track (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 1 (8277691093).jpg - Ser Amantio di Nicolao

Fossil tree mold (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) (8277692127).jpg - Ser Amantio di Nicolao

Trace fossils (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) (8277692365).jpg - Ser Amantio di Nicolao

Dinosaur footprints (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 1 (8277862389).jpg - 1Veertje

Dakota Sandstone (Lower Cretaceous) (Dinosaur Ridge, Colorado, USA) 3 (8278739942).jpg - Ser Amantio di Nicolao

Dinosaur footprints (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) 2 (8278744446).jpg - Ser Amantio di Nicolao

Tourmaline-mica schist (Precambrian; near Custer, South Dakota, USA) (49155675956).jpg - Ser Amantio di Nicolao

Phlogopite-actinolite schist (Precambrian; near Custer, South Dakota, USA) 1 (49155293918).jpg - Ser Amantio di Nicolao

Phlogopite-actinolite schist (Precambrian; near Custer, South Dakota, USA) 2 (49156003442).jpg - Ser Amantio di Nicolao

Fluorite (Late Cretaceous or Tertiary; Melchor Muzquiz, Coahuila, Mexico) 1 (34150688455).jpg - Ser Amantio di Nicolao

Fluorite (Late Cretaceous or Tertiary; Melchor Muzquiz, Coahuila, Mexico) 3 (33339336113).jpg - Ser Amantio di Nicolao

Fluorite (Late Cretaceous or Tertiary; Melchor Muzquiz, Coahuila, Mexico) 6 (33765595440).jpg - Ser Amantio di Nicolao

Fluorite (Late Cretaceous or Tertiary; Melchor Muzquiz, Coahuila, Mexico) 5 (34019909671).jpg - Ser Amantio di Nicolao

Fluorite (Late Cretaceous or Tertiary; Melchor Muzquiz, Coahuila, Mexico) 4 (34150667655).jpg - Ser Amantio di Nicolao

Dakota Hogback (west of Denver, Colorado, USA) 1 (8278738492).jpg - Ser Amantio di Nicolao

Silver-replaced gastropod in fossiliferous limestone (Leadville Limestone, Lower Mississippian; mineralization between 70 and 55 Ma; Smuggler Mine, Aspen, Colorado, USA) 1 (24282644251).jpg - Ser Amantio di Nicolao

Granite (Precambrian; Rattlesnake Mountain Uplift, west of Cody, Wyoming, USA) (31166665092).jpg - Ser Amantio di Nicolao

Sandstone injectite in granite (Tava Sandstone in Pikes Peak Granite, Proterozoic; west of Woodland Park, Colorado, USA) 10.jpg - Ser Amantio di Nicolao

Sandstone injectite in granite (Tava Sandstone in Pikes Peak Granite, Proterozoic; west of Woodland Park, Colorado, USA) 14.jpg - Ser Amantio di Nicolao

Sandstone injectite in granite (Tava Sandstone in Pikes Peak Granite, Proterozoic; west of Woodland Park, Colorado, USA) 15.jpg - Ser Amantio di Nicolao

Sandstone injectite in granite (Tava Sandstone in Pikes Peak Granite, Proterozoic; west of Woodland Park, Colorado, USA) 24.jpg - Ser Amantio di Nicolao

Sandstone injectite with granite pebbles (Tava Sandstone, Neoproterozoic; west of Woodland Park, Colorado, USA) 1.jpg - Ser Amantio di Nicolao

Sandstone injectite in granite (Tava Sandstone in Pikes Peak Granite, Proterozoic; west of Woodland Park, Colorado, USA) 26.jpg - Ser Amantio di Nicolao

Sandstone injectite with granite pebbles (Tava Sandstone, Neoproterozoic; west of Woodland Park, Colorado, USA) 3.jpg - Ser Amantio di Nicolao

Sandstone injectite with granite pebbles (Tava Sandstone, Neoproterozoic; west of Woodland Park, Colorado, USA) 4.jpg - Ser Amantio di Nicolao

Sandstone injectite with granite clasts (Tava Sandstone, Neoproterozoic; southwest of Woodland Park, Colorado, USA) 1.jpg - Ser Amantio di Nicolao

Fault in sandstone injectite (Tava Sandstone, Neoproterozoic; southwest of Woodland Park, Colorado, USA) 1.jpg - Ser Amantio di Nicolao

Sandstone injectite (Tava Sandstone, Neoproterozoic; southwest of Woodland Park, Colorado, USA) 9.jpg - Ser Amantio di Nicolao

Sandstone injectite (Tava Sandstone, Neoproterozoic; southwest of Woodland Park, Colorado, USA) 18.jpg - Ser Amantio di Nicolao

Seminoe Mountains (Wyoming, USA) 2.jpg - Ser Amantio di Nicolao

Seminoe Mountains (Wyoming, USA) 3.jpg - Ser Amantio di Nicolao

Seminoe Mountains (Wyoming, USA) 4.jpg - Ser Amantio di Nicolao

Seminoe Mountains (Wyoming, USA) 5.jpg - Ser Amantio di Nicolao

Seminoe Mountains (Wyoming, USA) 6.jpg - Ser Amantio di Nicolao

Normal fault & drag folds (eastern flanks of the Bighorn Mountains, Wyoming, USA).jpg - Ser Amantio di Nicolao

Fault breccia zone (Rampart Range Fault, Garden of the Gods, Colorado Springs, Colorado, USA) 1.jpg - Ser Amantio di Nicolao

Fault breccia zone (Rampart Range Fault, Garden of the Gods, Colorado Springs, Colorado, USA) 2.jpg - Ser Amantio di Nicolao

Fault breccia zone (Rampart Range Fault, Garden of the Gods, Colorado Springs, Colorado, USA) 3.jpg - Ser Amantio di Nicolao

Fault breccia zone (Rampart Range Fault, Garden of the Gods, Colorado Springs, Colorado, USA) 4.jpg - Ser Amantio di Nicolao

Eagle Collapse Center & Sawatch Range (western Colorado, USA) 2.jpg - Ser Amantio di Nicolao

Eagle Collapse Center & Sawatch Range (western Colorado, USA) 1.jpg - Ser Amantio di Nicolao

Shallow subduction Laramide orogeny.gif - Hike395