Terpene

Original file(3,929 × 1,416 pixels, file size: 4.09 MB, MIME type: image/jpeg)

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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Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
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Wikimedia username: Wilson44691
author name string: Wilson44691

copyright status

copyrighted, dedicated to the public domain by copyright holder

copyright license

released into the public domain by the copyright holder

captured with

Nikon Coolpix P90

inception

8 August 2009

source of file

original creation by uploader

exposure time

0.00388349 second

f-number

5.6

focal length

18.8 millimetre

ISO speed

64

instance of

photograph

media type

image/jpeg

checksum

d309bfc71dcaeff279be3ae25bec710b750d3317

determination method: SHA-1

data size

4,284,194 byte

height

1,416 pixel

width

3,929 pixel

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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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