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File:StromatolitheAustralie25.jpeg

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English: Stromatolites growing her in Yalgorup national park in Australia (there are also other stromatolithes in Shark Bay and in Western Australia. Stromatolites are "attached, lithified "sedimentary" growth structures, accretionary away from a point or limited surface of initiation." (Low tide)
  • Français : Stromatolithes, à marée basse, sur le littoral de l'Ouest de l'Australie, dans le parc national de Yalgorup (on en trouve aussi dans la réserve naturelle marine de Hamelin Pool (Shark Bay, Australie) et dans le "Lake Thetis" (Ouest de l'Australie)..
    Les stromatolithes sont des roche calcaire et structures marines biogéniques, qui existaient déjà il y a plus de 3 milliards d'années, et dont quelques exemplaires vivent encore sur la planète, dont en Australie.
Date
Source Photograph taken by C. Eeckhout. Noter la turbidité et couleur verte de l'eau qui montre la présence de nutriment, et la faible déclivité du substrat qui expose le milieu à une intense insolation, mais l'absence d'algues fertes sur les structures biogènes que sont les stromatolites (dites "trombolites" en Australie)
Author C Eeckhout
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Date/TimeThumbnailDimensionsUserComment
current16:12, 8 January 2008Thumbnail for version as of 16:12, 8 January 20081,600 × 1,200 (417 KB)Eeckhout{{Information |Description= |Source=travail personnel |Date= |Author= Eeckhout |Permission= |other_versions= }} == Description == {{Information |Description= {{en}}Stromatolites growing her in [[Yalgorup national park

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