File:Tidalites de Bréhec.jpg
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Français : Tidalites de la Formation de Port-Lazo, au niveau de la plage de l'anse de Bréhec. Empilement de lamines argilo-silteuses rouges et gréso-argileuses gris-vert, de puissance millimétrique. Les lits rouges renferment des oxydes de fer composés d'ions ferriques (caractéristiques d'un milieu bien oxygéné donc agité), les lits verts, des oxydes de fer composés ions ferreux (milieu réducteur traduisant une eau moins bien brassée).
English: Tidalites of the Port-Lazo Formation on the beach of Anse de Bréhec in Plouha, Côtes-d'Armor department of Brittany in France, outcropping as a stack of red clay-silt laminae and grey-green silt-sand laminae, each a few millimetres in thickness. The red laminae contain ferric iron oxides characteristic of a well-oxygenated and therefore agitated depositional environment. The green laminae contain ferrous iron oxides characteristic of a chemically-reducing depositional environment with calmer water. |
| Date | |
| Source | https://www.geodiversite.net/media257 |
| Author | Zarmel (https://www.geodiversite.net/auteur2) |
| Camera location |  | View this and other nearby images on: OpenStreetMap |  |
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This file, which was originally posted to
https://www.geodiversite.net/media257, was reviewed on 29 March 2019 by reviewer Leoboudv, who confirmed that it was available there under the stated license on that date.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 12:27, 10 October 2018 | | 1,600 × 1,067 (302 KB) | Salsero35 (talk | contribs) | User created page with UploadWizard |
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