Attēls:Quartzose sandstone (lower Pottsville Group, Lower Pennsylvanian; Rt. 16 roadcut near Trinway, Ohio, USA) (31269449775).jpg
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Kopsavilkums
| Apraksts |
Quartzose sandstone from the Pennsylvanian of Ohio, USA. (9.3 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 quartzose sandstone. Minor muscovite mica grains are present. The sediments are disturbed, either from burrowing or plant roots. Black carbonaceous sandstone is also present in the same horizon (see the previous two photos in this album or photostream). 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) |
| Datums | |
| Avots | Quartzose sandstone (lower Pottsville Group, Lower Pennsylvanian; Rt. 16 roadcut near Trinway, Ohio, USA) |
| Autors | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/31269449775. It was reviewed on 2017. gada 24. jūnijs by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
Faila hronoloģija
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| Datums/Laiks | Attēls | Izmēri | Dalībnieks | Komentārs | |
|---|---|---|---|---|---|
| tagadējais | 2017. gada 24. jūnijs, plkst. 19.26 | | 2 981 × 1 834 (3,61 MB) | Ser Amantio di Nicolao | Transferred from Flickr via Flickr2Commons |
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