File:Cades Cove tectonic window & Blue Ridge (Great Smoky Mountains, Tennessee, USA) 9.jpg
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[edit]DescriptionCades Cove tectonic window & Blue Ridge (Great Smoky Mountains, Tennessee, USA) 9.jpg |
English: The Great Smoky Mountains along the Tennessee-North Carolina border are dominated by forested mountains and hills. A major exception is the ~flat-floored landscape shown above - this is Cades Cove, which is a tectonic window (also known as a fenster). Erosion has breached the Great Smoky Thrust Fault, resulting in the exposure of non-metamorphosed, Paleozoic sedimentary rocks below the fault (outcrops of Ordovician Jonesboro Limestone are nearby here). The hills and mountains surrounding the fenster in the background are part of the Blue Ridge Physiographic Province. The Blue Ridge in this area has bedrock consisting of Neoproterozoic-aged metasedimentary rocks above the Great Smoky Thrust Fault.
The Blue Ridge is one of three physiographic provinces that make up eastern America's Appalachian Mountains: the Valley & Ridge, the Blue Ridge, and the Piedmont. A couple of American national parks have been established in the most scenic stretches of the Blue Ridge: Great Smoky Mountains (see above) and Shenandoah. The Blue Ridge is mostly composed of Precambrian basement rocks (igneous & metamorphics). The mountains of the Blue Ridge are generally rounded and not very tall. This is unlike the tall, mostly sharp-peaked mountains of western America's Cordillera, the Andes of South America, the Alps of Europe, and the Himalayas of Asia. Compared with those geologically young mountain chains, the Blue Ridge is relatively old - the Appalachians have been subjected to long term erosion for about one-third of a billion years. Locality: view from along Cades Cove Loop Road, Cades Cove, Great Smoky Mountains National Park, eastern Tennessee, USA |
Date | |
Source | https://www.flickr.com/photos/47445767@N05/36360294834/ |
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@N05/36360294834. It was reviewed on 10 August 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
10 August 2021
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current | 15:26, 10 August 2021 | 3,008 × 2,000 (3.97 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/36360294834/ with UploadWizard |
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ISO speed rating | 1,600 |
Date and time of data generation | 14:57, 22 June 2008 |
Lens focal length | 56 mm |
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Horizontal resolution | 72 dpi |
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Software used | Adobe Photoshop Elements 13.0 (Macintosh) |
File change date and time | 20:13, 12 September 2017 |
Y and C positioning | Co-sited |
Exposure Program | Not defined |
Exif version | 2.2 |
Date and time of digitizing | 14:57, 22 June 2008 |
Meaning of each component |
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Maximum land aperture | 4.5 APEX (f/4.76) |
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Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 84 mm |
Scene capture type | Landscape |
Contrast | Normal |
Saturation | Normal |
Sharpness | Hard |
Subject distance range | Unknown |
Serial number of camera | 1004a0cc |
Lens used | 18.0-200.0 mm f/3.5-5.6 |
Date metadata was last modified | 16:13, 12 September 2017 |
Unique ID of original document | A5F1741D04F072C7E1A76BC463B2E017 |
IIM version | 18,755 |