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File:Pyrite-filled burrows in sandstone (Lower Mississippian; Rt. 35 roadcut, northeast of Rittenours, Ohio, USA) (40877783792).jpg

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Trace fossils in the Mississippian of Ohio, USA.

Trace fossils are any indirect evidence of ancient life. They refer to features in rocks that do not represent parts of the body of a once-living organism. Traces include footprints, tracks, trails, burrows, borings, and bitemarks. Body fossils provide information about the morphology of ancient organisms, while trace fossils provide information about the behavior of ancient life forms. Interpreting trace fossils and determination of the identity of a trace maker can be straightforward (for example, a dinosaur footprint represents walking behavior) or not. Sediments that have trace fossils are said to be bioturbated. Burrowed textures in sedimentary rocks are referred to as bioturbation. Trace fossils have scientific names assigned to them, in the same style & manner as living organisms or body fossils.

The dark gray structures seen here are burrows filled with pyritic sediments.

Stratigraphy: float from the Cuyahoga Formation or Logan Formation, 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)
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Source Pyrite-filled burrows in sandstone (Lower Mississippian; Rt. 35 roadcut, northeast of Rittenours, Ohio, USA)
Author James St. John

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/40877783792 (archive). It was reviewed on 7 December 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

7 December 2019

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current18:12, 7 December 2019Thumbnail for version as of 18:12, 7 December 20193,875 × 2,999 (4.76 MB)Ser Amantio di Nicolao (talk | contribs)Transferred from Flickr via #flickr2commons

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