File:Sutter Buttes Bird's eye view.jpg
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[edit]DescriptionSutter Buttes Bird's eye view.jpg |
English: Sometimes called the “smallest mountain range in the world,” the Sutter Buttes rise almost 610 meters (2,000 feet) above the flat agricultural fields of the Great Valley of central California. The Sutter Buttes are remnants of a volcano that was active approximately 1.6 to 1.4 million years ago during the Pleistocene Epoch. The central core of the Buttes is characterized by lava domes—piles of viscous lava that erupted onto the surface and were built higher with each successive layer. Today, these lava domes form the high central hills of the Buttes; shadows cast by the hills are visible at image center.
Surrounding the core is an apron of fragmental material created by occasional eruptions of the lava domes. This apron extends roughly 18 kilometers east-to-west and 16 kilometers north-to-south (11 by 10 miles). The volcanic material was transported outwards from the central core by volcanic gas-driven pyroclastic flows or by cooler, water-driven lahars. Later stream erosion of the debris apron is evident from the drainage pattern surrounding the central core. A third geomorphic region of valleys, known as the “moat,” lies between the core and the debris apron, and was formed by erosion of older, exposed sedimentary rocks that underlie the volcanic rocks. |
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Date | |||||||
Source | http://earthobservatory.nasa.gov/IOTD/view.php?id=79049 | ||||||
Author | Expedition 32 crew/NASA | ||||||
Permission (Reusing this file) |
Public Domain
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 05:50, 3 September 2012 | 1,440 × 960 (940 KB) | Earth100 (talk | contribs) | User created page with UploadWizard |
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The following 2 pages use this file:
- File:ISS032-E-10482 - View of California.jpg (file redirect)
- Category:Sutter Buttes
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Camera manufacturer | NIKON CORPORATION |
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Camera model | NIKON D2Xs |
Exposure time | 1/400 sec (0.0025) |
F-number | f/11 |
ISO speed rating | 400 |
Date and time of data generation | 14:38, 29 July 2012 |
Lens focal length | 180 mm |
User comments | NASA 1118 72.9F |
Orientation | Normal |
Horizontal resolution | 240 dpi |
Vertical resolution | 240 dpi |
Software used | Adobe Photoshop CS5 Macintosh |
File change date and time | 12:03, 30 August 2012 |
Exposure Program | Aperture priority |
Exif version | 2.21 |
Date and time of digitizing | 14:38, 29 July 2012 |
APEX shutter speed | 8.643856 |
APEX aperture | 6.918863 |
APEX exposure bias | −0.66666666666667 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire |
DateTime subseconds | 71 |
DateTimeOriginal subseconds | 71 |
DateTimeDigitized subseconds | 71 |
Color space | Uncalibrated |
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 | 270 mm |
Scene capture type | Standard |
Scene control | Low gain up |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
Serial number of camera | 6027244 |
Lens used | 180.0 mm f/2.8 |
Rating (out of 5) | 0 |
Date metadata was last modified | 08:03, 30 August 2012 |
Unique ID of original document | 9F1473A45A339D551B16086B8B365C34 |