File:Mudchip breccia in sandstone (Logan Formation, Lower Mississippian; Rt. 35 roadcut, northeast of Rittenours, Ohio, USA) 3 (40044712565).jpg
![File:Mudchip breccia in sandstone (Logan Formation, Lower Mississippian; Rt. 35 roadcut, northeast of Rittenours, Ohio, USA) 3 (40044712565).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/b/b1/Mudchip_breccia_in_sandstone_%28Logan_Formation%2C_Lower_Mississippian%3B_Rt._35_roadcut%2C_northeast_of_Rittenours%2C_Ohio%2C_USA%29_3_%2840044712565%29.jpg/800px-Mudchip_breccia_in_sandstone_%28Logan_Formation%2C_Lower_Mississippian%3B_Rt._35_roadcut%2C_northeast_of_Rittenours%2C_Ohio%2C_USA%29_3_%2840044712565%29.jpg?20191010022305)
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[edit]DescriptionMudchip breccia in sandstone (Logan Formation, Lower Mississippian; Rt. 35 roadcut, northeast of Rittenours, Ohio, USA) 3 (40044712565).jpg |
Mudchip breccia in sandstone in the Mississippian of Ohio, USA. The Logan Formation of eastern Ohio is a Mississippian-aged, siliciclastics-dominated unit having four members (from the base upward): Berne Conglomerate Member, Byer Sandstone Member, Allensville Member, and the Vinton Member. The grayish-colored structures shown above are thin, irregularly-shaped pieces of mudshale. The surrounding yellowish-rusty colored host rock is sandstone. Abundant mudshale chips in a host rock are referred to as mudchip breccias. Mudchip breccias and mudchips in sandstone form when erosion removes thin layers of previously-deposited muds, followed by transportation and deposition in coarser-grained sediments. Mudchips usually become aligned with the horizontal stratification. After burial, diagenesis, uplift, and erosion, mudchip-rich horizons tend to be readily exposed on split surfaces because they are planes of weakness. Stratigraphy: float from the Logan Formation, Osagean, upper Lower Mississippian Locality: Rittenours Outcrop - large roadcut on the northeastern side of Route 35, northeast of the town of Rittenours, Jefferson Township, southeastern Ross County, southern Ohio, USA (39° 13’ 46.29” North latitude, 82° 49’ 57.15” West longitude) |
Date | |
Source | Mudchip breccia in sandstone (Logan Formation, Lower Mississippian; Rt. 35 roadcut, northeast of Rittenours, Ohio, USA) 3 |
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@N05/40044712565 (archive). It was reviewed on 10 October 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
10 October 2019
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current | 02:23, 10 October 2019 | ![]() | 4,000 × 2,656 (6.89 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 | 1/400 sec (0.0025) |
F-number | f/8 |
ISO speed rating | 80 |
Date and time of data generation | 11:45, 10 March 2018 |
Lens focal length | 6.2 mm |
Image title | |
Width | 3,000 px |
Height | 4,000 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 | 22:24, 20 March 2018 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 11:45, 10 March 2018 |
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APEX shutter speed | 8.65625 |
APEX aperture | 6 |
APEX exposure bias | −0.33333333333333 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
Metering mode | Pattern |
Flash | Flash did not fire, auto mode |
Supported Flashpix version | 1 |
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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 | 18:24, 20 March 2018 |
Unique ID of original document | 2EAF52F86165E24728B2F2E7EEDFF142 |