File:Mudshales (Ohio Shale, Upper Devonian; Glen Echo Ravine, Columbus, Ohio, USA) 16 (36634555246).jpg
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[edit]DescriptionMudshales (Ohio Shale, Upper Devonian; Glen Echo Ravine, Columbus, Ohio, USA) 16 (36634555246).jpg |
Shales in the Devonian of Ohio, USA. This outcrop in central Ohio consists of marine mudshales of the Late Devonian-aged Ohio Shale. The formation has been subdivided into three parts (in ascending order): Huron Shale Member, Chagrin Shale Member, and Cleveland Shale Member. The outcrop appearances of the three different members are best developed in northeastern Ohio, in the Cleveland area. The Huron and Cleveland are black shales and the Chagrin is gray shale. In central Ohio, the Chagrin Shale lithofacies occurs in a relatively thin, poorly developed interval - it is referred to as the Three Lick Bed. The Three Lick consists of interbedded gray and black shales. These rocks were deposited in a moderately deep, anoxic seafloor environment. Black shale was widespread lithofacies during the Late Devonian. The Ohio Shale is equivalent to the Chattanooga Shale, the Antrim Shale, and the New Albany Shale in surrounding states. Stratigraphy: Ohio Shale, Famennian Stage, upper Upper Devonian Locality: creek cut in Glen Echo Ravine, Columbus, north-central Franklin County, Ohio, USA (~40° 01' 09.94" North latitude, ~82° 59' 58.35" West longitude) |
Date | |
Source | Mudshales (Ohio Shale, Upper Devonian; Glen Echo Ravine, Columbus, Ohio, USA) 16 |
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@N05/36634555246 (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 | 19:05, 7 December 2019 | 4,000 × 3,000 (6.09 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 | 1/40 sec (0.025) |
F-number | f/2.8 |
ISO speed rating | 80 |
Date and time of data generation | 16:20, 9 April 2017 |
Lens focal length | 6.2 mm |
Image title | |
Width | 4,000 px |
Height | 3,000 px |
Bits per component |
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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 | 22:36, 19 August 2017 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 16:20, 9 April 2017 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 5.3125 |
APEX aperture | 2.96875 |
APEX exposure bias | −1 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
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 | Landscape |
Lens used | 6.2-18.6 mm |
Date metadata was last modified | 18:36, 19 August 2017 |
Unique ID of original document | 2988FFACCEFBD63C64264857F7C9D1D7 |
IIM version | 32,767 |