File:Pyrite snake concretion (Ohio Shale, Upper Devonian; creek cut in Ross County, southern Ohio, USA) 7 (15403897737).jpg
![File:Pyrite snake concretion (Ohio Shale, Upper Devonian; creek cut in Ross County, southern Ohio, USA) 7 (15403897737).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/0/02/Pyrite_snake_concretion_%28Ohio_Shale%2C_Upper_Devonian%3B_creek_cut_in_Ross_County%2C_southern_Ohio%2C_USA%29_7_%2815403897737%29.jpg/800px-Pyrite_snake_concretion_%28Ohio_Shale%2C_Upper_Devonian%3B_creek_cut_in_Ross_County%2C_southern_Ohio%2C_USA%29_7_%2815403897737%29.jpg?20191207185738)
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[edit]DescriptionPyrite snake concretion (Ohio Shale, Upper Devonian; creek cut in Ross County, southern Ohio, USA) 7 (15403897737).jpg |
Pyrite snake concretion from the Devonian of Ohio, USA (field of view ~4.6 centimeters across). This remarkable mass of coarsely-crystalline pyrite (fool's gold) is likely a pyritized burrow (trace fossil). It comes from an Upper Devonian black shale succession - the Ohio Shale. Pyrite is common in the Ohio Shale, occurring as small, disseminated specks and framboids to moderately large, coarsely-crystalline concretions. Stratigraphy: Ohio Shale, Famennian Stage, upper Upper Devonian Locality: creek cut in Ross County, southern Ohio, USA |
Date | |
Source | Pyrite snake concretion (Ohio Shale, Upper Devonian; creek cut in Ross County, southern Ohio, USA) 7 |
Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/15403897737 (archive). It was reviewed on 7 December 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
7 December 2019
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current | 18:57, 7 December 2019 | ![]() | 3,232 × 1,836 (1.38 MB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot D10 |
Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/9 |
ISO speed rating | 80 |
Date and time of data generation | 00:30, 21 October 2014 |
Lens focal length | 8.295 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop CS2 Macintosh |
File change date and time | 02:44, 21 October 2014 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 00:30, 21 October 2014 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 5.90625 |
APEX aperture | 6.34375 |
APEX exposure bias | −0.66666666666667 |
Maximum land aperture | 3.34375 APEX (f/3.19) |
Metering mode | Pattern |
Flash | Flash fired, compulsory flash firing, red-eye reduction mode |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 16,460.905349794 |
Focal plane Y resolution | 16,483.516483516 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Portrait |
Supported Flashpix version | 1 |
Image width | 3,232 px |
Image height | 1,836 px |
Date metadata was last modified | 22:44, 20 October 2014 |
IIM version | 2 |