Checked content

File:CambrianStromatolites.jpg

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

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

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

Did you know...?

Wikipedia for Schools brings Wikipedia into the classroom. In 133 nations around the world, SOS Children's Villages works to bring better education and healthcare to families in desperate need of support. There are many ways to help with SOS Childrens Villages.