Soubor:Stromatolites.jpg

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Fotografie + Description:

• English: Stromatolites, that is pre-cambrian petrified biofilm about one billion years old in the Siyeh rock formation of Glacier National Park, Montana, USA.
• Original caption: Close-up of PreCambrian stromatolites in Siyeh Formation, Going to the Sun Highway. Glacier National Park
• Français : Les stromatolites sont des accumulations fossiles de biofilms algo-bactériens datant de l'époque pré-cambrienne, ici pétrifiés sur un milliard d'années dans la formation rocheuse Siyeh de Glacier National Park, Montana, USA.
• Español: Los estromatolitos son acumulaciones fósiles algo-bacterianas de la época precámbrica, petrificadas y con una antigüedad de más de mil millones de años, que se sitúan en la formación rocosa Mount Siyeh del Parque nacional de los Glaciares, en Montana, USA.
• Date: 1982
• Source: National Park Service - http://www.nature.nps.gov/geology/cfprojects/photodb/Photo_Detail.cfm?PhotoID=204
• Author: P. Carrara, NPS

+ pochází z Wikimedia Commons, kde má status – This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States.

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