File:Mudchip breccia in sandstone (Vinton Member, Logan Formation, Lower Mississippian; Rt. 16 roadcut northeast of Frazeysburg, Ohio, USA) 1 (38884421420).jpg
![File:Mudchip breccia in sandstone (Vinton Member, Logan Formation, Lower Mississippian; Rt. 16 roadcut northeast of Frazeysburg, Ohio, USA) 1 (38884421420).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/0/08/Mudchip_breccia_in_sandstone_%28Vinton_Member%2C_Logan_Formation%2C_Lower_Mississippian%3B_Rt._16_roadcut_northeast_of_Frazeysburg%2C_Ohio%2C_USA%29_1_%2838884421420%29.jpg/800px-Mudchip_breccia_in_sandstone_%28Vinton_Member%2C_Logan_Formation%2C_Lower_Mississippian%3B_Rt._16_roadcut_northeast_of_Frazeysburg%2C_Ohio%2C_USA%29_1_%2838884421420%29.jpg?20191010022152)
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[edit]DescriptionMudchip breccia in sandstone (Vinton Member, Logan Formation, Lower Mississippian; Rt. 16 roadcut northeast of Frazeysburg, Ohio, USA) 1 (38884421420).jpg |
Mudchip breccia in sandstone in the Mississippian of Ohio, USA. (bedding plane view) The Vinton Member is the uppermost of four stratigraphic units in the Mississippian-aged, siliciclastics-dominated Logan Formation of eastern Ohio. Ascending from the base, they are the Berne Conglomerate Member, the Byer Sandstone Member, the Allensville Member, and the Vinton Member. The Vinton is dominated by siltstones but sandstones and shales are also present. The grayish-colored structures shown above are thin, discoidal pieces of mudshale. The surrounding lighter-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: upper Vinton Member, upper Logan Formation, Osagean Series, upper Lower Mississippian Locality: Trinway West 6 Outcrop - roadcut on the northwestern side of Rt. 16, 1.0 miles northeast of the Rt. 16-Old Riley Road intersection, northeast of the town of Frazeysburg & west of the town of Trinway, northwestern Muskingum County, Ohio, USA (40° 08' 41.54" North latitude, 82° 05' 06.18" West longitude) |
Date | |
Source | Mudchip breccia in sandstone (Vinton Member, Logan Formation, Lower Mississippian; Rt. 16 roadcut northeast of Frazeysburg, 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@N05/38884421420 (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 | 02:21, 10 October 2019 | ![]() | 4,000 × 3,000 (7.85 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 | 1/250 sec (0.004) |
F-number | f/9 |
ISO speed rating | 80 |
Date and time of data generation | 11:57, 4 March 2018 |
Lens focal length | 7.23 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, 8 March 2018 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 11:57, 4 March 2018 |
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Image compression mode | 3 |
APEX shutter speed | 7.96875 |
APEX aperture | 6.34375 |
APEX exposure bias | −0.33333333333333 |
Maximum land aperture | 3.34375 APEX (f/3.19) |
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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 | 06:11, 8 March 2018 |
Unique ID of original document | EA337353FB48414AD6023E363E02ACA7 |