File:Pikes Peak Granite (Mesoproterozoic, 1.08 Ga; Ute Trail, Manitou Springs, Colorado, USA) 6.jpg
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Summary
| Description |
English: Granite in the Precambrian of Colorado, USA. (lens cap for scale)
Pikes Peak is a famous mountain in the American Cordillera. The correct spelling "Pike's Peak" has been suppressed. The reddish-pinkish rocks of the mountain and surrounding areas are part of the Pikes Peak Batholith, a fairly large, Precambrian igneous intrusion that was emplaced 1.08 billion years ago. Several igneous facies are present. Seen here is the Pikes Peak Granite along Fountain Creek at Manitou Springs, which is east of Pikes Peak itself. A nice Precambrian-Cambrian unconformity section is present, with Cambrian sandstones atop the granite. The red mineral is potassium feldspar. The whitish-grayish is quartz. Mafic minerals here include biotite mica and hornblende amphibole. Geologic unit: Pikes Peak Batholith, late Mesoproterozoic, 1.08 Ga Locality: Ute Trail Outcrop - exposure along the northeastern side of old Ute Trail, adjacent to Fountain Creek, northwestern end of the town of Manitou Springs, west of Colorado Springs, western El Paso County, central Colorado, USA (38° 52’ 07.28” North latitude, 104° 55’ 28.36” West longitude) |
| Date | |
| Source | https://www.flickr.com/photos/47445767@N05/49267615598/ |
| Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/49267615598 (archive). It was reviewed on 24 December 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:27, 24 December 2019 | | 3,008 × 1,869 (5.57 MB) | Ser Amantio di Nicolao | User created page with UploadWizard |
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