Search for any geological feature below
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Pueblo archeological site, Colorado
Pueblo archeological site, Chimney Rock National Monument, Colorado (201003-47)
Download ImageFish Canyon Ash Flow Tuff, CO (vertical)
28 million year old Fish Canyon Ash Flow Tuff, erupted during one of Earth’s largest volcanic eruptions, from the La Garita Caldera Colorado (201003-34)
Download ImageFish Canyon Ash Flow Tuff, CO (vertical)
28 million year old Fish Canyon Ash Flow Tuff, erupted during one of Earth’s largest volcanic eruptions, from the La Garita Caldera Colorado (201003-30)
Download ImageFish Canyon Ash Flow Tuff, Colorado
28 million year old Fish Canyon Ash Flow Tuff, erupted during one of Earth’s largest volcanic eruptions, from the La Garita Caldera Colorado (201003-29)
Download ImageDike from W Spanish Peak, Colorado (Pan)
Dike from West Spanish Peak, Colorado (201003-19)
Download ImageIntrusive contact, Colorado
Intrusive contact of rhyolite porphyry dike of the Spanish Peaks with adjacent Cuchara Formation. Colorado. (201003-14)
Download ImageIntrusive contact, Colorado
Intrusive contact of rhyolite porphyry dike of the Spanish Peaks with adjacent Cuchara Formation. Colorado. (201003-10)
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Williams Canyon and Limestone cliffs, Colorado
Entrance to Cave of the Winds and Williams Canyon eroded into Manitou limestone (tan cliffs), Colorado (201002-86)
Download ImageFountain Formation outcrop, CO (vertical).
Pennsylvanian Fountain Formation outcrop, Colorado Springs, Colorado 201002-78)
Download ImageFountain Formation outcrop, Colorado.
Pennsylvanian Fountain Formation outcrop, Colorado Springs, CO (201002-76)
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Disconformity: Eocene over Paleocene. CO
Disconformity (near bottom of outcrop): Eocene Castle Rock Conglomerate over Paleocene Dawson Arkose. Note cross-bedding and large clasts of Wall Mountain Tuff in the conglomerate. Castle Rock, Colorado. (201002-66)
Download ImageDisconformity: Eocene over Paleocene. CO (vertical)
Disconformity: Eocene Castle Rock Conglomerate over Paleocene Dawson Arkose. Note large clasts of Wall Mountain Tuff in the conglomerate. Castle Rock, Colorado. (201002-65)
Download ImageDisconformity, closeup view, Colorado
Disconformity (near bottom of photo): Eocene Castle Rock Conglomerate over Paleocene Dawson Arkose. (201002-64)
Download ImageDisconformity: Eocene over Paleocene, Colorado
Disconformity (near bottom of photo): Eocene Castle Rock Conglomerate over Paleocene Dawson Arkose. Note cross-bedding and large clasts in the conglomerate. Castle Rock, Colorado. (201002-57)
Download ImageCastle Rock, Colorado
Castle Rock, Colorado and fallen block of Castle Rock conglomerate. Note clasts of Wall Mountain Tuff in left foreground. (201002-47)
Download ImageCoarse arkosic ss of Fountain Fm, CO
Coarse arkosic sandstone of Pennsylvanian Fountain Formation, Colorado (201002-33)
Download ImageGreat unconformity at Red Rocks, Colorado
Nonconformity between Pennsylvanian Fountain Formation and Precambrian granite at Red Rocks State Park, Colorado (201002-25)
Download ImageI-70 roadcut, Golden, Colorado
I-70 roadcut, exposing the Jurassic Morisson and Cretaceous Dakota Formations, Colorado (201002-17)
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