File:Stylolites (Columbus Limestone, Middle Devonian; Kelleys Island, Lake Erie, Ohio, USA) 14 (48541621492).jpg
![File:Stylolites (Columbus Limestone, Middle Devonian; Kelleys Island, Lake Erie, Ohio, USA) 14 (48541621492).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/9/9a/Stylolites_%28Columbus_Limestone%2C_Middle_Devonian%3B_Kelleys_Island%2C_Lake_Erie%2C_Ohio%2C_USA%29_14_%2848541621492%29.jpg/800px-Stylolites_%28Columbus_Limestone%2C_Middle_Devonian%3B_Kelleys_Island%2C_Lake_Erie%2C_Ohio%2C_USA%29_14_%2848541621492%29.jpg?20191008022452)
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[edit]DescriptionStylolites (Columbus Limestone, Middle Devonian; Kelleys Island, Lake Erie, Ohio, USA) 14 (48541621492).jpg |
Stylolites in limestone in the Devonian of Ohio, USA. (cross section view) The structures seen here are stylolites, pressure dissolution features that frequently has the appearance of a hospital EKG reading. These occur in many limestones, dolostones, and some marbles, especially in or near orogenic belts. The host rock here is limestone, a biogenic sedimentary rock composed of calcite (CaCO3 - calcium carbonate). Most limestones formed in ancient, warm, shallow ocean environments. Stratigraphy: loose block derived from the Columbus Limestone, Middle Devonian Locality: roadside barrier rock along Bookerman Road at Lafarge Kelleys Island Quarry, western Kelleys Island, western Lake Erie, far-northern Ohio, USA (41° 36' 11.01" North latitude, 82° 43' 15.94" West longitude) |
Date | |
Source | Stylolites (Columbus Limestone, Middle Devonian; Kelleys Island, Lake Erie, Ohio, USA) 14 |
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@N05/48541621492. It was reviewed on 8 October 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
8 October 2019
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current | 02:24, 8 October 2019 | ![]() | 4,000 × 3,000 (6.49 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/4 |
ISO speed rating | 80 |
Date and time of data generation | 16:25, 8 June 2012 |
Lens focal length | 11.614 mm |
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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 16.0 (Macintosh) |
File change date and time | 23:40, 9 August 2019 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 16:25, 8 June 2012 |
Meaning of each component |
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APEX shutter speed | 8.96875 |
APEX aperture | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 4 APEX (f/4) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
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File source | Digital still camera |
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Exposure mode | Auto exposure |
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Digital zoom ratio | 1 |
Scene capture type | Landscape |
Lens used | 6.2-18.6 mm |
Date metadata was last modified | 17:40, 9 August 2019 |
Unique ID of original document | 0791A66CA4DE4A2EC8CB0C31FF32D501 |