File:Poverty Run Limestone (Lower Pennsylvanian; Irish Ridge East roadcut, near Trinway, Ohio, USA) 1 (33108354681).jpg
![File:Poverty Run Limestone (Lower Pennsylvanian; Irish Ridge East roadcut, near Trinway, Ohio, USA) 1 (33108354681).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/b/b4/Poverty_Run_Limestone_%28Lower_Pennsylvanian%3B_Irish_Ridge_East_roadcut%2C_near_Trinway%2C_Ohio%2C_USA%29_1_%2833108354681%29.jpg/800px-Poverty_Run_Limestone_%28Lower_Pennsylvanian%3B_Irish_Ridge_East_roadcut%2C_near_Trinway%2C_Ohio%2C_USA%29_1_%2833108354681%29.jpg?20170624173216)
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[edit]DescriptionPoverty Run Limestone (Lower Pennsylvanian; Irish Ridge East roadcut, near Trinway, Ohio, USA) 1 (33108354681).jpg |
Fossiliferous limestone in the Pennsylvanian of Ohio, USA. 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 block at center is a hard, marine fossiliferous limestone. Weathered surfaces are light colored; crack surfaces show black micrite with matrix-supported, light-colored fossils (usually crinoid stem columnals and brachiopod shells). This float piece is from the Poverty Run Limestone, which outcrops in very few places. The black talus surrounding the limestone block are pieces of weathered bituminous coal, derived from the Vandusen Coal bed, which occurs just below the Poverty Run Limestone. Stratigraphy: Poverty Run Limestone, lower Pottsville Group, upper Morrowan Stage, upper Lower Pennsylvanian Locality: Irish Ridge East Outcrop - roadcut along the northern 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 | Poverty Run Limestone (Lower Pennsylvanian; Irish Ridge East roadcut, near Trinway, Ohio, USA) 1 |
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@N05/33108354681. 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 × 2,871 (5.98 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 | 1/80 sec (0.0125) |
F-number | f/4 |
ISO speed rating | 80 |
Date and time of data generation | 09:39, 25 February 2017 |
Lens focal length | 11.614 mm |
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 | 19:37, 3 March 2017 |
Exif version | 2.21 |
Date and time of digitizing | 09:39, 25 February 2017 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 6.3125 |
APEX aperture | 4 |
APEX exposure bias | −1 |
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 | 16,460.904761905 |
Focal plane Y resolution | 16,483.517241379 |
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 | 14:37, 3 March 2017 |
Unique ID of original document | 9727D00AADB27B2337C08B1C2FEAF0DE |