File:Clastic dike in the Bishop Tuff (Pleistocene, 760 ka; Sherwin Summit, Owens Valley, California, USA) 7.jpg
![File:Clastic dike in the Bishop Tuff (Pleistocene, 760 ka; Sherwin Summit, Owens Valley, California, USA) 7.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/7/7c/Clastic_dike_in_the_Bishop_Tuff_%28Pleistocene%2C_760_ka%3B_Sherwin_Summit%2C_Owens_Valley%2C_California%2C_USA%29_7.jpg/800px-Clastic_dike_in_the_Bishop_Tuff_%28Pleistocene%2C_760_ka%3B_Sherwin_Summit%2C_Owens_Valley%2C_California%2C_USA%29_7.jpg?20221115232619)
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Summary
[edit]DescriptionClastic dike in the Bishop Tuff (Pleistocene, 760 ka; Sherwin Summit, Owens Valley, California, USA) 7.jpg |
English: Clastic dike in rhyolitic ash & pumice beds in the Pleistocene of California, USA.
This outcrop consists of a volcanic unit called the Bishop Tuff (it's not really a volcanic tuff, however), a ~760,000 year old rhyolitic pyroclastic flow deposit. It was emplaced during a caldera-forming eruption of the nearby Long Valley Volcano. The base of the unit consists of air-fall rhyolite pumice beds. The overlying layers are pyroclastic flows having ash and pumice. The protruding feature in the exposure is a clastic dike - a crack / fissure in the Bishop Tuff got filled in by sediments from above. In general, clastic dikes can also form from the bottom-up. Locality: Sherwin Summit (= Big Pumice Roadcut) - roadcut along the northern side of Route 395, immediately east of intersection with Lower Rock Creek Road (= Sherwin Grade; = Old Route 395), just east of the “town” of Tom’s Place, Owens Valley, Mono County, eastern California, USA (37° 33' 28.80" North latitude, 118° 39' 26.23" West longitude) |
Date | |
Source | https://www.flickr.com/photos/47445767@N05/49091684567/ |
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@N05/49091684567. It was reviewed on 15 November 2022 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
15 November 2022
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current | 23:26, 15 November 2022 | ![]() | 3,008 × 2,000 (5.06 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/49091684567/ with UploadWizard |
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Camera manufacturer | NIKON CORPORATION |
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Camera model | NIKON D70s |
Exposure time | 1/1,000 sec (0.001) |
F-number | f/8 |
ISO speed rating | 400 |
Date and time of data generation | 11:58, 7 July 2010 |
Lens focal length | 130 mm |
Width | 3,008 px |
Height | 2,000 px |
Bits per component |
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Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop Elements 16.0 (Macintosh) |
File change date and time | 13:48, 19 November 2019 |
Y and C positioning | Co-sited |
Exposure Program | Not defined |
Exif version | 2.21 |
Date and time of digitizing | 11:58, 7 July 2010 |
Meaning of each component |
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Image compression mode | 4 |
APEX shutter speed | 9.965784 |
APEX aperture | 6 |
APEX exposure bias | 0 |
Maximum land aperture | 5 APEX (f/5.66) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire |
DateTime subseconds | 70 |
DateTimeOriginal subseconds | 70 |
DateTimeDigitized subseconds | 70 |
Supported Flashpix version | 1 |
Color space | sRGB |
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 | 195 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
Serial number of camera | 200638ad |
Lens used | 18.0-200.0 mm f/3.5-5.6 |
Date metadata was last modified | 08:48, 19 November 2019 |
Unique ID of original document | 871E650EF5ED455CA5D937F7B365701A |