Diplopteridium holdenii



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English: Fossil of the exinct plant species Diplopteridium holdenii (Pteridospermopsida), from the Asbian chronozone (Lower Carboniferous/Visean of England) at Drybrook. Rock is about 10 cm long. Collection of the Universiteit Utrecht.
Français : Fossile d'une espèce éteinte de plante : Diplopteridium holdenii (Pteridospermopsida), de la période Asbienne (Carbonifère inférieur/Viséenne d'Angleterre) à Drybrook. La perre mesure environ 10cm de long. Collection de l'Université d'Utrecht.
Date January 2008(2008-01)
Source Own work
Author Woudloper
(Reusing this file)
Public domain This work has been released into the public domain by its author, Woudloper. This applies worldwide.
In some countries this may not be legally possible; if so:
Woudloper grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

File history

date/time username resolution size edit summary
15:33, 16 January 2008 User:Woudloper <a href="http://upload.wikimedia.org/wikipedia/commons/d/d9/Diplopterium_holdenii.jpg"><img alt="Thumbnail for version as of 15:33, 16 January 2008" src="http://upload.wikimedia.org/wikipedia/commons/thumb/d/d9/Diplopterium_holdenii.jpg/115px-Diplopterium_holdenii.jpg" width="115" height="120" border="0" /></a> 2,200×2,304 827 KB {{Information |Description=Fossil of the exinct plant species ''Diplopterium holdenii'' (Pteridospermopsida), from the Asbian chronozone (Lower Carboniferous/Visean of England) at Drybrook. Rock is about 10 cm long. Collection of the Universiteit Utrecht.

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EXIF data:
File name diplopteridium_holdenii.jpg
Size, Mbytes 0.827032226562
Mime type image/jpeg
Camera manufacturer EASTMAN KODAK COMPANY
Orientation of image 1
Image resolution in width direction 480
Image resolution in height direction 480
Unit of X and Y resolution 2
Exposure time 1/25 sec (0.04)
F number f / 3.2
Exposure program 2
ISO speed rating 160
Exif version 0221
Lens focal length 13.7 mm
Date and time original image was generated 2008:01:08 14:51:09
Date and time image was made digital data 2008:01:08 14:51:09
Meaning of each component 
Shutter speed 4.66666666667
Aperture 3.4
Exposure bias 0
Maximum lens aperture 3.4
Metering mode 2
Supported Flashpix version 0100
Color space information 1
Exif image width 2200
Exif image length 2304
InteroperabilityOffset 816
Exposure index 160
Sensing method 2
Scene type 
Digital zoom ratio 0
Focal length in 35 mm film 82 mm
Gain control 2
Subject distance range 1
Interoperability index R98
Interoperability version 0100
Software used Adobe Photoshop CS2 Windows
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