File:Brachiopod fossil (Ashlock Formation, Upper Ordovician; Paint Lick Elementary School outcrop, Garrard County, Kentucky, USA) 14.jpg
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Summary
editDescriptionBrachiopod fossil (Ashlock Formation, Upper Ordovician; Paint Lick Elementary School outcrop, Garrard County, Kentucky, USA) 14.jpg |
English: Brachiopod (probably Platystrophia) in the Ordovician of Kentucky, USA.
This fossil is in Upper Ordovician fossiliferous limestone of the Ashlock Formation, which is correlative with the famous Cincinnatian outcrop belt in the Cincinnati, Ohio area. I've seen two or three asserted members identified for this area, so I'm not sure about the sub-formation level stratigraphy at this site. The fossils are similar to what's seen in the Maysvillian and/or Richmondian Stages of the type Cincinnatian. Observed fossils here included silicified stromatoporoids, brachiopods (including Platystrophia ponderosa - also known as Vinlandostrophia ponderosa - and Hebertella), ramose bryozoans, encrusting sheet bryozoans, bivalves, gastropods, nautiloid cephalopods, and corals. The rocks range from micrites (lime mudstones) to wackestones to packstones. Classification: Animalia, Brachiopoda, Articulata (also known as "Rhynchonelliformea") Stratigraphy: Ashlock Formation, Cincinnatian Series, Upper Ordovician Locality: Paint Lick Elementary School Outcrop - roadcut along (new) Route 52, across the road from Paint Lick Elementary School, near the town of Point Leavell, Garrard County, Kentucky, USA. (37° 35’ 17.25” North latitude, 84° 28’ 15.49” West longitude) |
Date | |
Source | https://www.flickr.com/photos/47445767@N05/45090391384/ |
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@N05/45090391384 (archive). It was reviewed on 4 March 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
4 March 2020
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current | 16:26, 4 March 2020 | 4,000 × 3,000 (6.36 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/45090391384/ with UploadWizard |
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot D10 |
Exposure time | 1/125 sec (0.008) |
F-number | f/8 |
ISO speed rating | 80 |
Date and time of data generation | 11:31, 13 March 2018 |
Lens focal length | 6.2 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 | 13:36, 10 November 2018 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 11:31, 13 March 2018 |
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Image compression mode | 3 |
APEX shutter speed | 6.96875 |
APEX aperture | 6 |
APEX exposure bias | −0.66666666666667 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
Metering mode | Pattern |
Flash | Flash did not fire, auto mode |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 16,460.905349794 |
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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 | 08:36, 10 November 2018 |
Unique ID of original document | 7BD6C382404D9EBA125536C14B7F5A05 |