File:StriatedPebble1.jpg
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Summary
[edit]DescriptionStriatedPebble1.jpg |
Glacially striated limestone pebble from the Vandalia Till member of the Glasford Formation exposed in the Athens North Quarry, Menard County, Illinois. Scalecube is 1 centimeter square. Follmer, L. R. and others, 1979, Wisconsinan, Sangamonian, and Illinoian stratigraphy in central Illinois. Illinois Geological Survey Guidebook no. 13: Urbana, Illinois |
Date | |
Source | Own work |
Author | Paul Heinrich |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:26, 12 March 2008 | 2,560 × 1,920 (509 KB) | Cristellaria (talk | contribs) | {{Information |Description=Glacially striated pebble from the Vandalia Till member of the Glasford Formation exposed in the Athens North Quarry, Menard County, Illinois. Follmer, L. R. and others, 1979, Wisconsinan, Sangamonian, and Illinoian stratigraph |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | NIKON |
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Camera model | E5000 |
Exposure time | 10/591 sec (0.016920473773266) |
F-number | f/3.8 |
ISO speed rating | 100 |
Date and time of data generation | 09:35, 27 August 2007 |
Lens focal length | 20.8 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop CS2 Macintosh |
File change date and time | 09:16, 12 March 2008 |
Y and C positioning | Co-sited |
Exposure Program | Aperture priority |
Exif version | 2.2 |
Date and time of digitizing | 09:35, 27 August 2007 |
Image compression mode | 2 |
APEX exposure bias | 0.7 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Center weighted average |
Light source | Tungsten (incandescent light) |
Flash | Flash did not fire, compulsory flash suppression |
Color space | sRGB |
Custom image processing | Custom process |
Exposure mode | Auto exposure |
White balance | Manual white balance |
Digital zoom ratio | 1.4 |
Focal length in 35 mm film | 59 mm |
Scene capture type | Standard |
Contrast | Soft |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |