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Incised meander of Dolores River, Colorado
Incised meander of the Dolores River from Hanging Flume Overlook. The main bedrock is the Jurassic Wingate and overlying Kayenta Fms. (201005-102)
Download ImageAngular Unconformity at Box Canyon, Ouray, Colorado
Angular Unconformity between Devonian and Precambrian sedimentary rock (quartzite of the Uncompahgre Formation) at Box Canyon, Ouray, Colorado (201005-101)
Download ImageBox Canyon Falls, Colorado (vertical)
Box Canyon Waterfall, spilling over cliffs in a narrow gorge of Proterozoic quartzite of the Uncompahgre Formation, Ouray, Colorado (201005-88)
Download ImageDiplodocus vertebrae, Colorado
Fossil vertebrae of Diplodocus dinosaur in Jurassic Morrison Formation, Trail of Time, Colorado (201005-7)
Download ImageNonconformity, western Colorado
Unconformity (nonconformity) between Jurassic Wingate Fm. and Precambrian metamorphic rock, Unaweep Canyon, Colorado (201005-63)
Download ImageNonconformity, Colorado
Unconformity (nonconformity) between Jurassic Wingate and Precambrian metamorphic rock in Unaweep Canyon, Colorado. Note the pegmatite dikes (201005-55)
Download ImagePegmatite sills in gneiss, Colorado (Vertical)
Pegmatite sills in Proterozoic gneiss, Unaweep Canyon, Colorado (201005-45)
Download ImagePegmatite sills in gneiss, Colorado
Pegmatite sills in Proterozoic gneiss, Unaweep Canyon, Colorado (201005-42)
Download ImageDolores R and Hanging Flume, CO (vertical)
Dolores River Canyon with enlarged inset showing Hanging Flume perched on Wingate Formation, Colorado (201005-16e)
Download ImageRhyolite Sill, Engineer Mtn., CO
Rhyolite sill forming the top of Engineer Mountain, Colorado. Red beds are Permian Cutler Group (201004-107)
Download ImageSIll at Engineer Mountain, Colorado
Rhyolite sill forming the top of Engineer Mountain, Colorado. Red beds are Permian Cutler Group (201004-107)
Download ImageAnimas River, Colorado (vertical)
Animas River cutting through Precambrian granite at Bakers Bridge, Colorado (201003-92)
Download ImageAnimas River at Bakers Bridge, Colorado
Animas River cutting through Precambrian granite at Bakers Bridge, Colorado (201004-90)
Download ImageNonconformity, Bakers Bridge, Colorado
Nonconformity between Cambrian Ignacio Quartzite and Precambrian Granite, Bakers Bridge, Colorado (201004-85)
Download ImagePinkerton Hot Springs, CO (vertical)
Travertine deposition and algae growth at Pinkerton Hot Springs, Colorado (201004-12)
Download ImageRed Mountain Mine District, Colorado
Red Mountain Mining district and mine workings, Silverton, Colorado (201004-72)
Download ImageRed Mountain Mine District, CO (vertical)
Red Mountain Mining district and mine workings, Silverton, Colorado (201004-71)
Download ImageRed Mountain Creek and Silverton, Colorado
Red Mountain Creek and Silverton, Colorado (201004-67)
Download ImageRock Glacier, SW Colorado
Rock glacier on north side of Engineer Mountain, Colorado (201004-64)
Download ImageRock Glacier, SW Colorado
Rock glacier on north side of Engineer Mountain, Colorado (201004-60)
Download ImageEngineer Mountain, Colorado
Engineer Mtn. Upper half of mountain consists of rhyolite sill; lower red beds consist of Permian Cutler Group (201004-47)
Download Image
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