File:CambrianStromatolites.jpg

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Summary

Description	English: Stromatolites in the Pika Formation (Cambrian) near Helen Lake, Banff National Park, Canada.
Date	8 August 2009
Source	Own work
Author	Wilson44691

Photograph taken by Mark A. Wilson (Department of Geology, The College of Wooster).

Licensing

I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

Public domainPublic domainfalsefalse

File usage

The following pages on Schools Wikipedia link to this image (list may be incomplete):

Cambrian explosion

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.

Camera manufacturer	NIKON
Camera model	COOLPIX P90
Exposure time	388,349/100,000,000 sec (0.00388349)
F-number	f/5.6
ISO speed rating	64
Date and time of data generation	16:04, 8 August 2009
Lens focal length	18.8 mm
Orientation	Normal
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	Adobe Photoshop CS Macintosh
File change date and time	20:25, 14 August 2009
Y and C positioning	Centered
Exposure Program	Normal program
Exif version	2.2
Date and time of digitizing	16:04, 8 August 2009
Exposure bias	0
Maximum land aperture	3 APEX (f/2.83)
Metering mode	Pattern
Light source	Unknown
Flash	Flash did not fire, compulsory flash suppression
Colour space	sRGB
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Digital zoom ratio	0
Focal length in 35 mm film	105 mm
Scene capture type	Standard
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Subject distance range	Unknown

Background information

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