File:Grand Canyon National Park- Toroweap Formation.jpg
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DescriptionGrand Canyon National Park- Toroweap Formation.jpg |
A detail of the mixture of stones that make up the Toroweap Formation. NPS Photo by: Kristen M. Caldon Toroweap Formation: thickness: 130-375 ft. The Toroweap Formation, a mixture of shales, sandstones, and limestones, forms the first slope below the rim of the canyon. It was deposited 273 million years ago, during the Paleozoic Era- Late Early Permian Period. This formation, with its variable rocks, marks the return of the sea to the Grand Canyon region. Both transgressions and regressions occurred during deposition. The Toroweap Formation was thus deposited in everything from shallow marine and intertidal to coastal dune environments. |
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Date | |||
Source | Flickr: Grand Canyon National Park- Toroweap Formation_0936 | ||
Author | Public Domain | ||
Permission (Reusing this file) |
![]() ![]() This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information. | ![]() |
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current | 21:14, 1 January 2013 | ![]() | 3,872 × 2,592 (1.85 MB) | Flickr upload bot (talk | contribs) | Uploaded from http://flickr.com/photo/50693818@N08/7706886684 using Flickr upload bot |
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Camera manufacturer | NIKON CORPORATION |
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F-number | f/10 |
ISO speed rating | 320 |
Date and time of data generation | 13:02, 24 July 2012 |
Lens focal length | 24 mm |
Width | 3,872 px |
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Bits per component |
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Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop CS5 Windows |
File change date and time | 15:29, 30 July 2012 |
Y and C positioning | Co-sited |
Exposure Program | Manual |
Exif version | 2.21 |
Date and time of digitizing | 13:02, 24 July 2012 |
Meaning of each component |
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APEX aperture | 6.643856 |
APEX exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
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DateTime subseconds | 16 |
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File source | Digital still camera |
Scene type | A directly photographed image |
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White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 36 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Hard |
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Subject distance range | Unknown |
GPS tag version | 2.2.0.0 |
Lens used | 24.0-70.0 mm f/2.8 |
Date metadata was last modified | 08:29, 30 July 2012 |
Unique ID of original document | xmp.did:6E89320C96DAE111BDAAAA3DFC6C4181 |