Image:Sandstone Concretion.jpg
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[edit] Summary
This natural sandstone formation is made of tiny quartz chrystals that cemented together grains of quartz sand. The concretion is on display at the National Museum of Natural History in Washington, D.C.. Author: David Bjorgen
[edit] Licensing
This image is licensed under the Creative Commons Attribution ShareAlike License v. 2.5: http://creativecommons.org/licenses/by-sa/2.5/ |
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- (del) (cur) 12:40, 29 October 2005 . . Cybjorg (Talk | contribs) . . 1200×1800 (1,541,892 bytes) (This natural sandstone formation is made of tiny quartz chrystals that cemented together grains of quartz sand. The concretion is on display at the National Museum of Natural History in Washington, D.C.. Author: David Bjorgen)
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This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified image.
Camera manufacturer | Canon |
---|---|
Camera model | Canon EOS DIGITAL REBEL XT |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop CS2 Windows |
File change date and time | 12:43, 29 October 2005 |
Author | unknown |
Exposure time | 1/15 sec (0.066666666666667) |
F-number | f/5.6 |
Exposure Program | Normal program |
ISO speed rating | 100 |
Date and time of data generation | 03:42, 17 May 2005 |
Shutter speed | 3.906891 |
Aperture | 4.970854 |
Exposure bias | 0 |
Metering mode | Pattern |
Flash | 16 |
Lens focal length | 55 mm |
Color space | sRGB |