File:Dendraster gibbsi fossil sand dollar (Etchegoin Formation, Lower Pliocene; Kettleman Hills, west-central Kings County, south-central California, USA) (15279728716).jpg
![File:Dendraster gibbsi fossil sand dollar (Etchegoin Formation, Lower Pliocene; Kettleman Hills, west-central Kings County, south-central California, USA) (15279728716).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/9/96/Dendraster_gibbsi_fossil_sand_dollar_%28Etchegoin_Formation%2C_Lower_Pliocene%3B_Kettleman_Hills%2C_west-central_Kings_County%2C_south-central_California%2C_USA%29_%2815279728716%29.jpg/614px-thumbnail.jpg?20150506185913)
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[edit]DescriptionDendraster gibbsi fossil sand dollar (Etchegoin Formation, Lower Pliocene; Kettleman Hills, west-central Kings County, south-central California, USA) (15279728716).jpg |
Dendraster gibbsii fossil sand dollar (4.3 cm across) from the Pliocene of Caifornia, USA. Here’s a nicely preserved fossil sand dollar from California. It has been prepared by air abrasion to better show the plate boundaries. This is Dendraster gibbsii, first described by Auguste Rémond in the 1860s. This species is relatively common in the Siphonalia zone of the Etchegoin Formation (Lower Pliocene). It comes from the Kettleman Hills of California, USA. Classification: Animalia, Echinodermata, Echinozoa, Echinoidea, Clypeasteroida, Scutellina, Dendrasteridae Stratigraphy: Etchegoin Formation, Lower Pliocene Locality: Kettleman Hills, California, USA |
Date | |
Source | Dendraster gibbsi fossil sand dollar (Etchegoin Formation, Lower Pliocene; Kettleman Hills, west-central Kings County, south-central California, USA) |
Author | James St. John |
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This image was originally posted to Flickr by jsj1771 at https://www.flickr.com/photos/47445767@N05/15279728716. It was reviewed on 6 May 2015 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
6 May 2015
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current | 18:59, 6 May 2015 | ![]() | 1,960 × 1,915 (3.58 MB) | Natuur12 (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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Camera manufacturer | NIKON CORPORATION |
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Camera model | NIKON D70s |
Exposure time | 1/640 sec (0.0015625) |
F-number | f/6.3 |
Date and time of data generation | 23:27, 5 April 2006 |
Lens focal length | 105 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop CS2 Macintosh |
File change date and time | 20:10, 20 September 2014 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.21 |
Date and time of digitizing | 23:27, 5 April 2006 |
Meaning of each component |
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Image compression mode | 4 |
APEX exposure bias | −0.33333333333333 |
Maximum land aperture | 3.4 APEX (f/3.25) |
Metering mode | Spot |
Light source | Tungsten (incandescent light) |
Flash | Flash did not fire |
DateTime subseconds | 00 |
DateTimeOriginal subseconds | 00 |
DateTimeDigitized subseconds | 00 |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Manual white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 157 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Hard |
Saturation | Normal |
Sharpness | Soft |
Subject distance range | Unknown |
Supported Flashpix version | 1 |
Image width | 1,960 px |
Image height | 1,915 px |
Date metadata was last modified | 16:10, 20 September 2014 |