File:Basalt ventifact (McMurdo Sound area, Antarctica) 3 (32385301566).jpg
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Summary[edit]
DescriptionBasalt ventifact (McMurdo Sound area, Antarctica) 3 (32385301566).jpg |
Basalt ventifact from Antarctica. (public display, Carnegie Museum of Natural History, Pittsburgh, Pennsylvania, USA) Ventifacts are lustrous, polished rocks with subplanar to curved facets. They form by natural abrasion and polish by winds that carry sand grains. Ventifacts are naturally sand-blasted rocks. Locality: McMurdo Sound area, Antarctica |
Date | |
Source | Basalt ventifact (McMurdo Sound area, Antarctica) 3 |
Author | James St. John |
Licensing[edit]
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/32385301566. It was reviewed on 10 October 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
10 October 2019
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 00:22, 10 October 2019 | 2,748 × 2,609 (5.95 MB) | Ser Amantio di Nicolao (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 | 1/60 sec (0.016666666666667) |
F-number | f/4 |
ISO speed rating | 250 |
Date and time of data generation | 14:09, 25 July 2010 |
Lens focal length | 11.614 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop CS2 Macintosh |
File change date and time | 12:53, 20 January 2017 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 14:09, 25 July 2010 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 5.90625 |
APEX aperture | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 4 APEX (f/4) |
Metering mode | Pattern |
Flash | Flash fired, auto mode, red-eye reduction mode |
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 | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |
Supported Flashpix version | 1 |
Image width | 2,748 px |
Image height | 2,609 px |
Date metadata was last modified | 07:53, 20 January 2017 |
IIM version | 2 |