File:Shales & ironstone (lower Pottsville Group, Lower Pennsylvanian; Irish Ridge East roadcut, near Trinway, Ohio, USA) 8 (32402044424).jpg
![File:Shales & ironstone (lower Pottsville Group, Lower Pennsylvanian; Irish Ridge East roadcut, near Trinway, Ohio, USA) 8 (32402044424).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Shales_%26_ironstone_%28lower_Pottsville_Group%2C_Lower_Pennsylvanian%3B_Irish_Ridge_East_roadcut%2C_near_Trinway%2C_Ohio%2C_USA%29_8_%2832402044424%29.jpg/800px-Shales_%26_ironstone_%28lower_Pottsville_Group%2C_Lower_Pennsylvanian%3B_Irish_Ridge_East_roadcut%2C_near_Trinway%2C_Ohio%2C_USA%29_8_%2832402044424%29.jpg?20170624173257)
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Summary
[edit]DescriptionShales & ironstone (lower Pottsville Group, Lower Pennsylvanian; Irish Ridge East roadcut, near Trinway, Ohio, USA) 8 (32402044424).jpg |
The Pottsville Group is a Pennsylvanian-aged cyclothemic succession in eastern Ohio that contains nonmarine shales, marine shales, siltstones, sandstones, coals, marine limestones, and chert ("flint"). The lower Pottsville dates to the late Early Pennsylvanian. The upper part dates to the early Middle Pennsylvanian. The Lower-Middle Pennsylvanian boundary is apparently somewhere near the Boggs Member (?). The slopes in the photo are nonmarine shales. Some thin ironstone horizons and scattered ironstone nodules are also present. Stratigraphy: lower Pottsville Group, upper Morrowan Stage, upper Lower Pennsylvanian Locality: Irish Ridge East Outcrop - roadcut along the southern side of the eastbound entrance ramp from Rt. 60 to Rt. 16 (southeastern portion of Rt. 16-Rt. 60 interchange), north-northwest of the towns of Trinway & Dresden, northern Cass Township, northwestern Muskingum County, eastern Ohio, USA (~40° 09’ 13.56” North latitude, ~82° 01’ 29.37” West longitude) |
Date | |
Source | Shales & ironstone (lower Pottsville Group, Lower Pennsylvanian; Irish Ridge East roadcut, near Trinway, Ohio, USA) 8 |
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@N05/32402044424. It was reviewed on 24 June 2017 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
24 June 2017
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current | 17:32, 24 June 2017 | ![]() | 4,000 × 2,619 (5.94 MB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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Camera manufacturer | Canon |
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Exposure time | 1/100 sec (0.01) |
F-number | f/4 |
ISO speed rating | 80 |
Date and time of data generation | 09:31, 25 February 2017 |
Lens focal length | 11.614 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 | 11:11, 4 March 2017 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 09:31, 25 February 2017 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 6.65625 |
APEX aperture | 4 |
APEX exposure bias | −0.66666666666667 |
Maximum land aperture | 4 APEX (f/4) |
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 | 06:11, 4 March 2017 |
Unique ID of original document | 5DD2314B51B2E405FF38E9103E9685E6 |