File:Rocks in Fantasy Canyon, Utah.jpg
Original file (4,000 × 2,820 pixels, file size: 3.47 MB, MIME type: image/jpeg)
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Summary
[edit]DescriptionRocks in Fantasy Canyon, Utah.jpg |
Differentially cemented & eroded sandstone in the Eocene of Fantasy Canyon, Utah, USA. Fantasy Canyon has the most spectacular examples of differential weathering and differential erosion I've ever seen. The rocks are quartzose sandstones that were deposited on the eastern shore of ancient Lake Uinta, which existed during the Eocene. Some wisps and ribbons of dark-colored, magnetite-rich sand are present in the sandstone. The variety of chaotic rockforms at Fantasy Canyon are quite diverse - these cannot be explained by ordinary weathering and erosion. Close examination shows that erosion has acted upon differentially cemented sandstone. The sandstone has not undergone complete lithification and diagenesis - groundwater lobes have preferentially cemented portions of the sandstone, especially immediately adjacent to joint planes. The poorly-cemented sandstone was easily eroded & the better-cemented sandstone remains. Stratigraphy: member C, Uinta Formation, Eocene Locality: Fantasy Canyon, between Red Wash & Coyote Wash, Chapita Wells Gas Field, west-northwest of the town of Bonanza & south-southeast of the town of Vernal & east of the town of Ouray, northeastern Utah, USA |
Date | Taken on 10 June 2012, 12:27 |
Source | Differentially cemented & eroded sandstone (member C, Uinta Formation, Eocene; Fantasy Canyon, Utah, USA) 18 |
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@N05/24818237486. It was reviewed on 14 February 2016 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
14 February 2016
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current | 22:40, 14 February 2016 | 4,000 × 2,820 (3.47 MB) | Tillman (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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Metadata
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot D10 |
Exposure time | 1/800 sec (0.00125) |
F-number | f/4.5 |
ISO speed rating | 80 |
Date and time of data generation | 12:27, 10 June 2012 |
Lens focal length | 14.303 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop CS2 Macintosh |
File change date and time | 22:02, 5 February 2016 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 12:27, 10 June 2012 |
Meaning of each component |
|
Image compression mode | 3 |
APEX shutter speed | 9.65625 |
APEX aperture | 4.34375 |
APEX exposure bias | −0.33333333333333 |
Maximum land aperture | 4.34375 APEX (f/4.51) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 16,460.905349794 |
Focal plane Y resolution | 16,483.516483516 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Landscape |
Supported Flashpix version | 1 |
Image width | 4,000 px |
Image height | 2,820 px |
Date metadata was last modified | 17:02, 5 February 2016 |
IIM version | 2 |