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File:Stromatolites.jpg

Stromatolites.jpg(550 × 371 pixels, file size: 103 KB, MIME type: image/jpeg)
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
Date 1982
Source National Park Service - http://www.nature.nps.gov/geology/cfprojects/photodb/Photo_Detail.cfm?PhotoID=204
Author P. Carrara, NPS
Permission
( Reusing this file)
Public domain 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. See the NPS website and NPS copyright policy for more information.

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