File:Tunisie tempête.jpg
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Summary
| Description |
Français : Dépôt sableux bioclastique (algues calcaires et foraminifères porcellanés) de tempête et /ou éolien sur le rivage à plantes salicornes et stromatolites du fond du golfe de Gabès, région de Zarzis, Tunisie. Dans le fossile, de tels niveaux formant des bancs parfois métriques, ont été observés dans le Lias moyen (-190 Ma) du Haut Atlas marocain, au sommet de séquences émersives, accompagnant des lits riches en foraminifères (Orbitopsellidés) flottés par les courants de marée (Septfontaine, 1985). English: Bioclastic sand of calcareous algae (Halimeda) and porcellaneous foraminifera accumulated on shore by hurricanes and wind (eolian dunes) on salicorn and algal mats. Zarzis area, Tunisia. Such deposits can form metric beds of displaced foraminifera (Orbitopsellids) in the middle Liassic of the High Atlas, Morocco, on top of regressive sequences, associated with tidal deposits and floated foraminifera (Septfontaine, 1985). |
| Date | |
| Source | Own work |
| Author | Septfontaine |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:20, 19 March 2012 | | 1,645 × 1,858 (2.07 MB) | Septfontaine | |
| 14:19, 19 March 2012 |  | 1,645 × 1,858 (2.07 MB) | Septfontaine |
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