File:Black carbonaceous sandstone (lower Pottsville Group, Lower Pennsylvanian; Rt. 16 roadcut near Trinway, Ohio, USA) 2 (31124997212).jpg
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| Description |
Black carbonaceous sandstone from the Pennsylvanian of Ohio, USA. (5.0 cm across at its widest) 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 rock shown here is a black sandstone. The coloration is from organic matter. Minor muscovite mica grains are present. Stratigraphy: float from a little below the Poverty Run Limestone (maybe ~0.5 meter below), lower Pottsville Group, upper Morrowan Series, upper Lower Pennsylvanian Locality: roadcut on the northern side of Rt. 16, immediately west of the Rt. 60 to Rt. 16 west-bound entrance ramp, eastern Irish Ridge, ~1.6 air miles northwest of the town of Trinway, northern Muskingum County, eastern Ohio, USA (40° 09' 22.62" North latitude, 82° 02' 03.54" West longitude) |
| Date | |
| Source | Black carbonaceous sandstone (lower Pottsville Group, Lower Pennsylvanian; Rt. 16 roadcut near Trinway, Ohio, USA) 2 |
| 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@N05/31124997212. It was reviewed on 24 June 2017 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:27, 24 June 2017 | | 2,706 × 2,190 (3.99 MB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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