File:Halysites (fossil coral) (Brassfield Formation, Lower Silurian; Fairborn, Ohio, USA) (40451965174).jpg
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[edit]DescriptionHalysites (fossil coral) (Brassfield Formation, Lower Silurian; Fairborn, Ohio, USA) (40451965174).jpg |
Halysites sp. - fossil coral from the Silurian of Ohio, USA. (public display, Geology Department, Wittenberg University, Springfield, Ohio, USA) Halysitids are a group of extinct, colonial corals. They are readily identifiable - their corallites are linked end-to-end in a distinctive pattern resembling chains (hence the common name “chain corals”). Halysitids are one of the several families of Paleozoic tabulate corals. They were an important reef-building component in the Silurian throughout the world. They occur in shallow-water marine carbonate facies. Classification: Animalia, Cnidaria, Anthozoa, Tabulata, Halysitidae Stratigraphy: Brassfield Formation, Llandoverian Series, Lower Silurian Locality: unrecorded/undisclosed site at or near the town of Fairborn, Ohio, USA (possibly from Oakes Quarry, east of the town of Fairborn, northwestern Greene County, western Ohio, USA; 39° 48' 47.75" North latitude, 83° 59' 01.50" West longitude) |
Date | |
Source | Halysites (fossil coral) (Brassfield Formation, Lower Silurian; Fairborn, Ohio, USA) |
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@N05/40451965174 (archive). It was reviewed on 5 December 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
5 December 2019
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current | 03:30, 5 December 2019 | ![]() | 3,508 × 2,307 (5.99 MB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Camera manufacturer | Canon |
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F-number | f/11 |
ISO speed rating | 80 |
Date and time of data generation | 08:41, 24 March 2018 |
Lens focal length | 11.614 mm |
Image title | |
Width | 4,000 px |
Height | 3,000 px |
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Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop Elements 13.0 (Macintosh) |
File change date and time | 14:19, 1 April 2018 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 08:41, 24 March 2018 |
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APEX shutter speed | 5.90625 |
APEX aperture | 6.90625 |
APEX exposure bias | −0.66666666666667 |
Maximum land aperture | 4 APEX (f/4) |
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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 |
Lens used | 6.2-18.6 mm |
Date metadata was last modified | 10:19, 1 April 2018 |
Unique ID of original document | 789083814607CE94609608D7F8D09472 |