File:Pillow Lava at Wadi Jizzi in Oman.jpg
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Summary
| Description |
English: Pillow lava at Wadi Jizzi in Oman. The lava is part of the Semail ophiolite. This location is sometimes described informally by geologists as the Geotimes outcrop because the rocks at this location were featured in an issue of that geological magazine. Français : Un affleurement spectaculaire de pillows lavas océaniques qui appartenaient à la lithosphère téthysienne (mise en place jusqu’à environ -100Ma) avant leur charriage sur la plaque arabique par obduction, obduction qui s’est amorcée vers -95Ma. Ils appartiennent à l’ophiolithe d’Oman (dite aussi nappe de Semail) qui a commencé à être charriée sur le continent arabe il y a 85Ma après une dizaine de millions d’année de charriage océanique. Les pillows lavas présentés ici constituent le sommet de la partie crustale de la lithosphère et sont issus de l’éruption de laves basaltiques (MORB) à grande profondeur (environ 3000m) et qui ont subis une trempe à cause de l’eau froide (0°à 1°) présente. |
| Date | |
| Source | https://www.geodiversite.net/media1782 |
| Author | Lionel Duchoiselle (https://www.geodiversite.net/auteur386) |
| Camera location |  | View this and other nearby images on: OpenStreetMap |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:59, 28 August 2020 | | 5,472 × 3,648 (10.42 MB) | GeoWriter | Uploaded a work by Lionel Duchoiselle (https://www.geodiversite.net/auteur386) from https://www.geodiversite.net/media1782 with UploadWizard |
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