File:Helictites are one of the rarest and strangest formations found in Wind Cave. Bacteria may be responsible for the branching (247cc9e7-93cf-4ee5-bb12-5ba290fd1553).JPG
![File:Helictites are one of the rarest and strangest formations found in Wind Cave. Bacteria may be responsible for the branching (247cc9e7-93cf-4ee5-bb12-5ba290fd1553).JPG](https://upload.wikimedia.org/wikipedia/commons/thumb/4/46/Helictites_are_one_of_the_rarest_and_strangest_formations_found_in_Wind_Cave._Bacteria_may_be_responsible_for_the_branching_%28247cc9e7-93cf-4ee5-bb12-5ba290fd1553%29.JPG/800px-thumbnail.jpg?20220113185046)
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Summary
[edit]English: Helictite | |||||
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Photographer |
English: NPS Photo |
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Title |
English: Helictite |
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Description |
English: a coral like cave formation growing from the floor slightly smaller than the pen next to it Helictites are one of the rarest and strangest formations found in Wind Cave. Bacteria may be responsible for the branching coral-like shape, but no one knows for sure.
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Depicted place |
English: Wind Cave National Park, Custer County, South Dakota |
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Date | Taken on 13 December 2014 | ||||
Accession number | |||||
Source |
English: NPGallery |
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Permission (Reusing this file) |
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NPS Unit Code InfoField | WICA |
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:50, 13 January 2022 | ![]() | 4,000 × 3,000 (1.84 MB) | BMacZeroBot (talk | contribs) | Batch upload (Commons:Batch uploading/NPGallery) |
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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 | PENTAX |
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Camera model | PENTAX Optio W80 |
Exposure time | 1/50 sec (0.02) |
F-number | f/4.2 |
ISO speed rating | 400 |
Date and time of data generation | 02:30, 13 December 2014 |
Lens focal length | 5 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Optio W80 Ver 1.00 |
File change date and time | 02:30, 13 December 2014 |
Y and C positioning | Co-sited |
Exif version | 2.2 |
Date and time of digitizing | 02:30, 13 December 2014 |
Meaning of each component |
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Image compression mode | 1 |
APEX exposure bias | 0 |
Maximum land aperture | 3.6 APEX (f/3.48) |
Metering mode | Pattern |
Flash | Flash fired, auto mode |
Supported Flashpix version | 1 |
Color space | sRGB |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 28 mm |
Scene capture type | Standard |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Close view |