Image:Spar.jpg
From Wikipedia, the free encyclopedia
Size of this preview: 800 × 600 pixels
Full resolution (3,264 × 2,448 pixels, file size: 1.69 MB, MIME type: image/jpeg)
[edit] Summary
Spear-shaped crystals of calcite called dogtooth spar frequently line small pockets in the limestone rock. These crystals are a prominent feature of other caves in the Black Hills, most notably, Jewel Cave of Jewel Cave National Monument. (source)
[edit] Licensing
This article or image contains material based on a work of a National Park Service employee, created during the course of the person's official duties. As a work of the U.S. federal government, such work is in the public domain. See the NPS website and NPS copyright policy for more information. Note that not all images on NPS websites are in the public domain. Please be sure that this template is only used for images that are not attributed to a copyright holder. |
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Dimensions | User | Comment | |
---|---|---|---|---|
current | 02:44, 4 February 2008 | 3,264×2,448 (1.69 MB) | Chiefsfan364 (Talk | contribs) |
- Search for duplicate files
- Edit this file using an external application
See the setup instructions for more information.
File links
The following pages on the English Wikipedia link to this file (pages on other projects are not listed):
Metadata
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 file.
Camera manufacturer | Canon |
---|---|
Camera model | Canon PowerShot A630 |
Exposure time | 3/10 sec (0.3) |
F-number | f/4.1 |
Date and time of data generation | 21:41, 3 February 2008 |
Lens focal length | 29.2 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
File change date and time | 21:41, 3 February 2008 |
Y and C positioning | 1 |
Exif version | 2.2 |
Date and time of digitizing | 21:41, 3 February 2008 |
Image compression mode | 3 |
Shutter speed | 1.75 |
Aperture | 4.0625 |
Exposure bias | 0 |
Maximum land aperture | 4.0625 |
Metering mode | Pattern |
Flash | 16 |
Color space | sRGB |
Focal plane X resolution | 11412.587412587 |
Focal plane Y resolution | 11439.252336449 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |