File:Big Thomson Mesa, Capitol Reef National Park, Utah.jpg
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Summary
DescriptionBig Thomson Mesa, Capitol Reef National Park, Utah.jpg |
English: This detailed astronaut photograph shows part of Big Thomson Mesa, near the southern end of Capitol Reef National Park. Capitol Reef National Park is located on the Colorado Plateau, which occupies the adjacent quarters of Arizona, Colorado, New Mexico, and Utah. Big Thomson Mesa (image left) is part of a large feature known as the en:Waterpocket Fold. The Fold is a geologic structure called a monocline—layers of generally flat-lying sedimentary rock with a steep, one-sided bend, like a carpet runner draped over a stair step. Geologists think that monoclines on the Colorado Plateau result from faulting (cracking) of deeper and more brittle crystalline rocks under tectonic pressure; while the crystalline rocks were broken into raised or lowered blocks, the overlaying, less brittle sedimentary rocks were flexed without breaking.
The portion of the Waterpocket Fold illustrated in this image includes layered rocks formed during the Mesozoic Era (about 250 – 65 million years ago). The oldest layers are at the bottom of the sequence, with each successive layer younger than the preceding one going upwards in the sequence. Not all of the formation’s rock layers are clearly visible, but some of the major layers (units to geologists) can be easily distinguished. The top half of the image includes the oldest rocks in the view: dark brown and dark green Moenkopi and Chinle Formations. Moving toward the foot of the mesa, two strikingly coloured units are visible near image centre: light red to orange Wingate Sandstone and white Navajo Sandstone. Beyond those units, reddish brown to brown Carmel Formation and Entrada Sandstone occupy a topographic bench at the foot of a cliff. The top of the cliff face above this bench—Big Thomson Mesa—is comprised of brown Dakota Sandstone. This sequence represents more than 100 million years of sediments being deposited and turned into rock. Much younger Quaternary (2-million- to approximately 10,000-year-old) deposits are also present in the view. The area shown in this astronaut photograph is located approximately 65 kilometers to the southeast of Fruita, UT near the southern end of Capitol Reef National Park.
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Source | NASA Earth Observatory | ||||||||||||||||||||||||||||||||||||||||||||||||||
Author | This image was taken by the NASA Expedition 20 crew |
Camera location | 37° 41′ 12.7″ N, 111° 04′ 41.1″ W | View this and other nearby images on: OpenStreetMap | 37.686861; -111.078083 |
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This image or video was catalogued by Johnson Space Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: ISS020-E-9861. This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing. Other languages:
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Image acquired with a Nikon D3 digital camera fitted with an 800 mm lens, and is provided by the ISS Crew Earth Observations experiment and Image Science & Analysis Laboratory, Johnson Space Centre.
Licensing
Public domainPublic domainfalsefalse |
This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
Warnings:
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Items portrayed in this file
depicts
6 July 2009
37°41'12.700"N, 111°4'41.099"W
0.000625 second
5.6
800 millimetre
200
image/jpeg
fc692fd5c4b6f67f2f9d301b2b3cb010bbefb3ec
1,424,482 byte
2,832 pixel
4,256 pixel
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 12:56, 31 January 2011 | 4,256 × 2,832 (1.36 MB) | commons>Originalwana | higher res |
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Metadata
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Camera manufacturer | NIKON CORPORATION |
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Camera model | NIKON D3 |
Exposure time | 1/1,600 sec (0.000625) |
F Number | f/5.6 |
ISO speed rating | 200 |
Date and time of data generation | 13:48, 14 June 2009 |
Lens focal length | 800 mm |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | picnik.com |
File change date and time | 12:41, 31 January 2011 |
Y and C positioning | Centered |
Exposure Program | Shutter priority |
Exif version | 2.21 |
Date and time of digitizing | 13:48, 14 June 2009 |
APEX shutter speed | 10.643856143856 |
APEX aperture | 4.9708536585366 |
Maximum land aperture | 5.0219238147438 APEX (f/5.7) |
Metering mode | Spot |
Light source | Unknown |
Flash | Flash did not fire |
DateTime subseconds | 81 |
DateTimeOriginal subseconds | 81 |
DateTimeDigitized subseconds | 81 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 800 mm |
Scene capture type | Standard |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |