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Summary

Description
English: Stromatolites in the Pika Formation (Cambrian) near Helen Lake, Banff National Park, Canada.
Date
Source Own work
Author Wilson44691

Photograph taken by Mark A. Wilson (Department of Geology, The College of Wooster). [1] archive copy at the Wayback Machine

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8 August 2009

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18.8 millimetre

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Date/TimeThumbnailDimensionsUserComment
current13:00, 15 August 2009Thumbnail for version as of 13:00, 15 August 20093,929 × 1,416 (4.09 MB)Wilson44691{{Information |Description={{en|1=Stromatolites in the Pika Formation (Cambrian) near Helen Lake, Banff National Park, Canada.}} |Source=Own work by uploader |Author=Wilson44691 |Date=2009-08-08 |Permission= |other_versions= }} Photog

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